CN206120233U - Scrubbing brush subassembly and dust catcher - Google Patents

Abstract

The utility model provides a scrubbing brush subassembly and dust catcher, this scrubbing brush subassembly includes: bottom plate, keep out the wind subassembly and gyro wheel keep out the wind the unit mount on the bottom plate to it becomes to keep out the wind the space to enclose between bottom plate and ground, the bottom at the bottom plate is installed to the gyro wheel to be located the space of keeping out the wind, and gyro wheel bottom plate rotation relatively. The utility model provides a scrubbing brush subassembly, through add the subassembly that keeps out the wind on the bottom plate, the subassembly that keeps out the wind supports subaerial, the messenger is kept out the wind the subassembly and is enclosed between bottom plate and ground and to keep out the wind the space, and the gyro wheel is located the space of keeping out the wind, therefore keep out the wind the space and can play the effectual effect of avoiing wind to the gyro wheel, thereby avoided the high -velocity air of entering scrubbing brush cavity to impact the trundle, and then avoided that the trundle produces the phenomenon that the air current swirl results in the dust to be detained at the back among the prior art, the dust removal effect of scrubbing brush has been improved effectively, the performance of scrubbing brush has been improved, and the outward appearance of product has been optimized.

Description

Ground brush assemblies and vacuum cleaner

Technical field

This utility model is related to cleaner technology field, in particular to a kind of ground brush assemblies and comprising the scrubbing brush group The vacuum cleaner of part.

Background technology

At present, in correlation technique, trundle is installed on the base plate of floor brush of dust collector, external air flow is from front of base plate and two When side enters scrubbing brush cavity, meeting high-speed impact trundle behind trundle produces air flow swirl, causes dust to be detained, affects The dust removing effects of scrubbing brush, reduce the performance of scrubbing brush, and affect the outward appearance of product.

Utility model content

In order to solve at least one above-mentioned technical problem, a purpose of the present utility model is to provide a kind of scrubbing brush group Part.

Another purpose of the present utility model is to provide a kind of vacuum cleaner including above-mentioned ground brush assemblies.

To achieve these goals, the embodiment of this utility model first aspect provides a kind of ground brush assemblies, including：Bottom Plate；Keep out the wind component, on the base plate, and surrounds space of keeping out the wind between the base plate and ground；And roller, it is arranged on The bottom of the base plate, and keep out the wind in space positioned at described, and the roller can be rotated relative to the base plate.

The ground brush assemblies that the embodiment of this utility model first aspect is provided, by the component that keeps out the wind is set up on base plate, gear Wind component is supported on the ground, and the component that makes to keep out the wind crosses space of keeping out the wind between base plate and ground, and roller is located at and keeps out the wind in space, Thus keep out the wind space can pair roller play effective wind sheltering effect, so as to the high velocity air avoided into scrubbing brush cavity clashes into To trundle, and then avoid, effectively The dust removing effects of scrubbing brush are improve, the performance of scrubbing brush is improve, and is optimized the outward appearance of product.

In addition, the ground brush assemblies in above-described embodiment of this utility model offer can also have following supplementary technology special Levy：

In above-mentioned technical proposal, the space of keeping out the wind is in semi-surrounding structure.

In any of the above-described technical scheme, the semi-surrounding structure of the rectangular shape in the space of keeping out the wind.

As external air flow and can only be unable to reverse flow from front of base plate or both sides enter scrubbing brush cavity, so half wraps Ensure to play trundle the effect of effectively keeping out the wind by the space of keeping out the wind of closed structure, so as on the basis for ensureing windproof effect On, the structure in space of keeping out the wind is simplified, and then reduces the manufacturing cost of product；And rectangular-shaped semi-surrounding structure can Further simplify the structure in space of keeping out the wind, so as to further reduce the manufacturing cost of product.

Certainly, it will be understood by those of skill in the art that space of keeping out the wind can also be the half of full encirclement structure or arc Semi-surrounding structure of structure or V-arrangement etc. is surrounded, as long as the effect of keeping out the wind can be played to trundle, you can avoid stagnant at trundle Stay dust, you can realize the purpose of this utility model, and these technical schemes all without departing from design philosophy of the present utility model and Objective, thus in protection domain of the present utility model.

In any of the above-described technical scheme, the lower end of the component that keeps out the wind with a distance from the bottom end face of the base plate, greatly The distance of the bottom end face of the base plate is protruded from the roller.

Keep out the wind component lower end apart from the distance of base plate lower surface, protrude from the distance of base plate lower surface more than roller, really The component that keeps out the wind is protected to support on the ground, and space of keeping out the wind has been surrounded between base plate and ground.Correspondingly, the component that keeps out the wind is preferred The relatively soft object being easily deformed of material, such as leather strap, wool top etc., so, when local brush assemblies are positioned on ground, keep out the wind Component compressive deformation so that roller can be supported on the ground, and freely roll on the ground, so as to both ensure that the component that keeps out the wind Space of keeping out the wind can be surrounded between ground, the normal use of scrubbing brush is in turn ensure that.

In any of the above-described technical scheme, the component that keeps out the wind includes：First weatherseal, on the base plate, institute State the first weatherseal in strip and parallel with the length direction of the base plate；With the second weatherseal, installed in the base plate On, second weatherseal is in strip, and parallel with the width of the base plate, and one end of second weatherseal with One end of first weatherseal contacts, to form space of keeping out the wind described in semi-surrounding structure.

The component that keeps out the wind includes the length of the second weatherseal of first weatherseal and strip of strip, the first weatherseal and base plate Direction is parallel, i.e., positioned at the front or behind of trundle, the left and right directions along base plate extends, it is thus possible to from front of base plate Into air-flow played the effect effectively block；Second weatherseal is parallel with the width of base plate, i.e., positioned at trundle Left side or right side, the fore-and-aft direction along base plate extend, it is thus possible to which the air-flow to entering from base plate both sides is played and effectively blocked Effect.So, the first weatherseal and the second weatherseal are engaged the space of keeping out the wind of the semi-surrounding structure to be formed, and pair roller is served Effectively keep out the wind effect, and be effectively simplified the structure of the component that keeps out the wind, reduce the cost of product.

What deserves to be explained is, ground brush assemblies generally comprise four rolling, respectively positioned at four corners of base plate, the bottom of positioned at The first weatherseal is provided with front of the roller of the left front corner of plate, left is provided with the second weatherseal；At base plate right front corner Roller in front of be provided with the first weatherseal, right is provided with the second weatherseal；Positioned at the rear of the roller of the left back corner of base plate The first weatherseal is provided with, left is provided with the second weatherseal；First is provided with positioned at the rear of the right roller at the rear corners of base plate to keep out the wind Part, right are provided with the second weatherseal.

Further, the first weatherseal interval setting in front of two rollers of base plate front end, to ensure scrubbing brush Front being capable of just constantly inlet wind；Positioned at two the second weatherseal interval settings of two roller lefts of base plate left end, to ensure ground The left side of brush being capable of just constantly inlet wind；Positioned at two the second weatherseal interval settings of two roller rights of base plate right-hand member, to protect The right side of card scrubbing brush being capable of just constantly inlet wind；And the first weatherseal for being located at two roller rears of base plate rear end is then connected as a single entity, To avoid bottom rear from leaking out, and then improve the dust removing effects of scrubbing brush.

Further, the lower surface and the second weatherseal of the first weatherseal around two rollers of base plate front end Lower surface is in the same plane；The lower surface of the first weatherseal around two rollers of base plate rear end is higher than second gear The lower surface of wind part.So, on the premise of ensureing that pair roller effectively keeps out the wind, the resistance of base plate front and side air inlet had both been reduced Power, further avoids bottom rear from leaking out, and further improves the dust removing effects of scrubbing brush.

In any of the above-described technical scheme, the base plate is provided with the through hole through the base plate thickness direction；Described One weatherseal includes：Connecting portion, positioned at the top of the base plate, and is fixedly connected with the base plate；Windshied part, the windshied part One end be connected with the connecting portion, the other end of the windshied part is reached below the base plate through the through hole, and with institute State the second weatherseal and surround the space of keeping out the wind.

In any of the above-described technical scheme, the other end of the windshied part is provided with guiding surface.

First weatherseal includes connecting portion and windshied part, and connecting portion is fixed on the top of base plate, and windshied part is through on base plate Through hole reach below floor, it is ensured that the bonding strength between the first weatherseal and base plate, effectively prevent the first weatherseal Come off from base plate, and then improve the use reliability of the first weatherseal；And the first weatherseal is realized by way of grafting Assembling between base plate, operates more convenient.

Guiding surface is set in the other end of windshied part, guiding surface can have been played to the process that windshied part inserts through hole The guide effect of effect, reduces the probability interfered between windshied part and the hole wall of through hole, and then improves the dress of the first weatherseal With speed.

In any of the above-described technical scheme, the connecting portion is integral type structure with the windshied part.

Connecting portion is integral type structure with windshied part, on the one hand improves the bonding strength between connecting portion and windshied part, The probability for occurring to rupture between connecting portion and windshied part is reduced, so as to improve the use reliability of the first weatherseal；It is another Aspect connecting portion can be made by being integrally formed with windshied part, so as to improve the production efficiency of the first weatherseal, reduce product The manufacturing cost of product.

In any of the above-described technical scheme, first weatherseal is leather strap, and second weatherseal is wool top.

First weatherseal is leather strap, and leather strap is drawn materials easily, cheap, and the shape needed for being easily processed into；Second gear Wind part is wool top, and wool top is drawn materials easily, cheap, and is easily installed, and is affixed directly to the lower surface of base plate.Certainly, It will be understood by those of skill in the art that the first weatherseal and the second weatherseal are not limited to above-mentioned material, can also such as be gear Aerofoil or other structures, as long as the effect of keeping out the wind can be played, you can realize the purpose of this utility model, and without departing from this practicality New design philosophy and objective, thus in protection domain of the present utility model.It is in any of the above-described technical scheme, described Gas channel is formed with base plate, the bottom of the base plate offers the wind guide tank in bar shaped being open towards ground, described to lead Air-guiding aisle is formed between wind groove and ground, the air-guiding aisle is connected with the gas channel；Described ground brush assemblies are also wrapped Multiple third gear wind parts are included, multiple third gear wind parts are arranged on the bottom of the base plate, and positioned at the air-guiding aisle Both sides, for stopping that region of the air-flow from outside the air-guiding aisle enters the gas channel.

Wind guide tank is opened up by the bottom in base plate, is made between wind guide tank and ground, to form air-guiding aisle, is realized air intake, So as to eliminate wool top structure of the prior art, the cost of scrubbing brush is reduced；And the both sides of air-guiding aisle are provided with third gear wind Part, third gear wind part can stop that region of the external air flow from beyond air-guiding aisle enters gas channel so that external air flow is only Gas channel can be entered along air-guiding aisle, so that air-guiding aisle has certain throttling action, be improved in air-guiding aisle The flow velocity of air-flow, enhances the dust collection capacity of scrubbing brush.Meanwhile, the first weatherseal is extended at the positive air-guiding aisle of base plate, the Two weatherseals are extended at the passage that keeps out the wind of base plate left part or right part, with ensure air-flow can only Jing air-guiding aisles enter air-flow Passage, and region that can not be from beyond air-guiding aisle enters gas channel.

It is understood that in the technical program, the opening of wind guide tank refers to scrubbing brush and is normally placed on ground towards ground When on face, wind guide tank it is opening down, that is, be open towards ground；And do not represent under any state, the equal direction of opening of wind guide tank Ground, such as：Scrubbing brush is held upright, or scrubbing brush, when being placed on other objects, the opening of wind guide tank is then towards other Respective direction.

What deserves to be explained is, in the technical program, gas channel only can refer to open up on base plate with certain thickness Suction port, it is also possible to refer to and the integrally formed scrubbing brush chamber of suction port, it is also possible to refer to combination of scrubbing brush chamber and air inlet pipe etc., due to ground The cavity and air inlet pipe in brush chamber can be integrally formed with base plate, thus can be formed by base plate；Certainly the cavity in scrubbing brush chamber and/ Or air inlet pipe can also with base plate be split-type structural, now, gas channel refer on base plate with certain thickness suction The passage that dirt mouth is formed.

In above-mentioned technical proposal, along the flow direction of air-flow, the air-guiding aisle includes the restriction portion being sequentially connected With dilatation section；Wherein, the cross-sectional area of the restriction portion is gradually reduced, and the cross-sectional area of the dilatation section gradually increases.

Along the flow direction of air-flow, air-guiding aisle includes the restriction portion being sequentially connected and dilatation section, then wind and dust etc. The air-flow that debris are formed will sequentially pass through restriction portion, dilatation section and enter air inlet pipe；Wherein, along the flow direction of air-flow, throttling The cross-sectional area of section is gradually reduced, it is thus possible to play a part of the speedup that throttles to air-flow, so as to effectively increase the stream of air-flow Speed, enhances impact capacity of the air-flow to floor-dust, and then is effectively improved the dust removing effects of scrubbing brush；Along the stream of air-flow Dynamic direction, the cross-sectional area of dilatation section gradually increase, it is thus possible to play a part of dilatation deceleration to air-flow, so as to avoid wind The air-flow formed with dust and other impurities produces whirlpool in the porch of air inlet pipe, and then avoids the porch delay ash of air inlet pipe Dirt, improves the dust removing effects of scrubbing brush, while also serving good improvement result to the noise of scrubbing brush, improves making for user Use comfort level.

In any of the above-described technical scheme, the wind guide tank includes the first sub- wind guide tank and the second sub- wind guide tank, described One end of one sub- wind guide tank extends to the front end of the base plate, and forms air inlet, and the first sub- wind guide tank and ground it Between form the restriction portion, one end of the second sub- wind guide tank extends to the porch of the air inlet pipe, and with the air-flow Passage is connected, and forms the dilatation section between the second sub- wind guide tank and ground.

Wind guide tank includes that the first sub- wind guide tank and the second sub- wind guide tank, the first sub- wind guide tank and the second sub- wind guide tank are in bar Shape, and be open towards ground, that is, it is open down, it is ensured that air-flow can impact ground, play dustproof function；First is sub Wind guide tank is in bar shaped, and its one end extends to the front end of base plate, and forms air inlet, i.e., one end of the first sub- wind guide tank is also out Mouthful, it is ensured that air-flow can swimmingly enter air-guiding aisle, and then play throttle effect；Second sub- wind guide tank is in bar Shape, and its one end extends to the porch of gas channel, and being connected with gas channel, i.e. one end of the second sub- wind guide tank of bar shaped And opening, it is ensured that air-flow swimmingly from dilatation section inflow stream passage, and can be directly entered after flowing through dilatation section In gas channel, so as to play a part of dilatation deceleration.

What deserves to be explained is, in the technical program, the size of air inlet is more than the air intake opened up on wool top in prior art The size of mouth, thus the wind speed of scrubbing brush air inlet is significantly reduced, and then the noise of scrubbing brush air inlet is reduced, improve The overall noise of scrubbing brush；But as restriction portion serves the effect of further throttling speedup to air-flow, thus do not reduce The dust removing effects of scrubbing brush, and improve the dust removing effects of scrubbing brush.Preferably, the mouth wall of air inlet is in horn-like, further to expand The size of big air inlet, further reduces the noise of air inlet.

In any of the above-described technical scheme, the other end of the other end of first wind guide tank and second wind guide tank it Between have gap, so as to form changeover portion between the restriction portion and the dilatation section；Wherein, along the flow direction of air-flow, The cross-sectional area of the changeover portion keeps constant.

There is gap so that restriction portion and expansion between the other end of the other end of the first sub- wind guide tank and the second sub- wind guide tank Holding and changeover portion is formed between section, as the air-flow in restriction portion flows downward, the air-flow of dilatation section is flowed up, and Changeover portion is located between restriction portion and dilatation section, and cross-sectional area keeps constant, thus changeover portion can play effective transition Effect, makes air-flow stably enter dilatation section by restriction portion, without there is excessive flow direction mutation；On the other hand, due to mistake The cross-sectional area for crossing section is minimum, thus flow velocity of the air-flow in changeover portion is maximum, so the presence of changeover portion so that air-flow can After at full throttle flowing a period of time, then Jing dilatations section is entered in gas channel, that is, extend the time of air-flow high speed dust removing, Thus also further improve the dust removing effects of scrubbing brush.

In any of the above-described technical scheme, the third gear wind part is arranged on the both sides of the changeover portion.

Third gear wind part is arranged on the cross-sectional area minimum that the both sides of changeover portion, i.e. third gear wind part are arranged on air-guiding aisle The both sides at place, so can further improve the air velocity of changeover portion, so as to further improve the dust removing effects of scrubbing brush.

In any of the above-described technical scheme, along the flow direction of air-flow, the diapire of the first sub- wind guide tank gradually to Lower inclination, further to improve the throttling accelerating function of restriction portion, and then further improves the dust collection capacity of scrubbing brush；Described second The diapire of sub- wind guide tank is gradually inclined upwardly, and further to improve the dilatation decelerating effect of dilatation section, and then further reduces ground The noise produced during brush operation.

Preferably, the other end of the described first sub- wind guide tank is extended on the bottom end face of the base plate, and described second is sub The other end of wind guide tank is extended on the bottom end face of the base plate.

Preferably, the diapire of the described first sub- wind guide tank is plane, and the diapire and horizontal plane of the first sub- wind guide tank Between angle be not more than 30 °.

Preferably, the diapire of the described second sub- wind guide tank is plane, and the diapire and horizontal plane of the second sub- wind guide tank Between angle be not more than 15 °.

Preferably, the middle part of the air inlet of the gas channel is pointed in the axis of air-guiding aisle projection in the horizontal plane, So as to be interacted from base plate the front air-flow for entering and the air-flow entered from bottom panel side with the angle less than 90 °, and then drop Interfering between low-flow, so as to further improve the dust collection capacity of scrubbing brush, and reduces noise when scrubbing brush runs.

In any of the above-described technical scheme, the third gear wind part is in strip, and the third gear wind part is along the base plate Length direction extend.

Further, the third gear wind part is located along the same line with first weatherseal, and the third gear wind Part includes second connecting portion and the second windshied part, and second connecting portion also is located at the top of base plate, and is fixedly connected with base plate, second One end of windshied part is connected with second connecting portion, and the other end is reached below the base plate through the through hole on the base plate.

Further, the second connecting portion of the third gear wind part is connected as a single entity with the connecting portion of first weatherseal, The third gear wind part is made to be integral type structure with first weatherseal, further to improve production efficiency and the assembling of product Efficiency, reduces the cost of product, and certain third gear wind part and the first weatherseal can also be split-type structural.

The embodiment of this utility model second aspect provides a kind of vacuum cleaner, including any one of first aspect embodiment Described ground brush assemblies.

The vacuum cleaner that the embodiment of this utility model second aspect is provided, because including any one of first aspect embodiment institute The ground brush assemblies stated, thus all beneficial effects having with above-described embodiment, will not be described here.

Additional aspect of the present utility model and advantage will become obvious in following description section, or new by this practicality The practice of type is recognized.

Description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from the description with reference to accompanying drawings below to embodiment Become obvious and easy to understand, wherein：

Fig. 1 is the main structure diagram of the ground brush assemblies described in this utility model some embodiments；

Fig. 2 is the present invention looks up structural representation of brush assemblies as shown in Figure 1；

Fig. 3 is the mplifying structure schematic diagram in A portions in Fig. 2；

Fig. 4 is the cross section structure diagram of brush assemblies as shown in Figure 2；

Fig. 5 is the mplifying structure schematic diagram in B portions in Fig. 4；

Fig. 6 is the mplifying structure schematic diagram in C portions in Fig. 4.

Wherein, the corresponding relation between the reference and component names in Fig. 1 to Fig. 6 is：

10 base plates, 11 gas channels, 12 first sub- wind guide tanks, 121 air inlets, 13 second sub- wind guide tanks, 20 keep out the wind component, 21 first weatherseals, 211 windshied parts, 212 connecting portions, 213 guiding surfaces, 22 second weatherseals, 23 keep out the wind space, 30 rollers, 40 cover plates, 50 third gear wind parts, 51 second windshied parts, 52 second connecting portions.

Specific embodiment

In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool Body embodiment is further described in detail to this utility model.It should be noted that in the case where not conflicting, this Shen Feature in embodiment please and embodiment can be mutually combined.

Many details are elaborated in the following description in order to fully understand this utility model, but, this practicality It is new to be different from other modes described here to implement using other, therefore, protection domain of the present utility model is simultaneously Do not limited by following public specific embodiment.

Describe according to the ground brush assemblies described in this utility model some embodiments and vacuum cleaner referring to Fig. 1 to Fig. 6.

The ground brush assemblies that the embodiment of this utility model first aspect is provided, as shown in Figures 1 to 6, including：Cover plate 40, Base plate 10, keep out the wind component 20 and roller 30.

Specifically, the lid of cover plate 40 is located on base plate 10, and the component 20 that keeps out the wind is arranged on base plate 10, and on base plate 10 and ground Between surround space 23 of keeping out the wind；Roller 30 is arranged on the bottom of base plate 10, and is located at and keeps out the wind in space 23, and roller 30 being capable of phase Base plate 10 is rotated.

The ground brush assemblies that the embodiment of this utility model first aspect is provided, by setting up the component that keeps out the wind on base plate 10 20, the component 20 that keeps out the wind is supported on the ground, and the component 20 that makes to keep out the wind crosses space 23 of keeping out the wind between base plate 10 and ground, and roller 30 In space 23 of keeping out the wind, thus keep out the wind space 23 can pair roller 30 play effective wind sheltering effect, so as to avoid entrance The high velocity air of scrubbing brush cavity strikes trundle 30, and then trundle 30 produces air flow swirl below in avoiding prior art The phenomenon for causing dust to be detained, is effectively improved the dust removing effects of scrubbing brush, improves the performance of scrubbing brush, and optimize product The outward appearance of product.

Preferably, as shown in figure 5, the lower end of the component 20 that keeps out the wind is with a distance from the bottom end face of base plate 10, more than roller 30 Protrude from the distance of the bottom end face of base plate 10.

Keep out the wind component 20 lower end apart from the distance of 10 lower surface of base plate, protrude from 10 lower surface of base plate more than roller 30 Distance, it is ensured that the component 20 that keeps out the wind can be supported on the ground, and space 23 of keeping out the wind is surrounded between base plate 10 and ground.Accordingly Ground, the relatively soft object being easily deformed of 20 preferred material of component of keeping out the wind, such as leather strap, wool top etc., so, local brush assemblies are put When being placed on ground, keep out the wind 20 compressive deformation of component so that roller 30 can be supported on the ground, and freely roll on the ground It is dynamic, so as to both ensure that keeping out the wind in space 23 of keeping out the wind of can surround between component 20 and ground, in turn ensure that the normal use of scrubbing brush.

In some embodiments of the present utility model, as shown in Figures 2 and 3, space 23 is kept out the wind in semi-surrounding structure.

Preferably, as shown in Figures 2 and 3, keep out the wind the semi-surrounding structure of 23 rectangular shape of space.

In the above-described embodiments, as external air flow can only be from front of base plate 10 or both sides enter scrubbing brush cavity, and can not Reverse flow, so ensure to play the effect effectively keep out the wind to trundle 30 by the space 23 of keeping out the wind of semi-surrounding structure, so as to On the basis of windproof effect is ensured, the structure in space 23 of keeping out the wind is simplified, and then reduces the manufacturing cost of product；And Rectangular-shaped semi-surrounding structure can further simplify the structure in space 23 of keeping out the wind, so as to further reduce the manufacturing of product Cost.

Certainly, it will be understood by those of skill in the art that space 23 of keeping out the wind can also be full encirclement structure or arc Semi-surrounding structure of semi-surrounding structure or V-arrangement etc., as long as the effect of keeping out the wind can be played to trundle 30, you can avoid trundle It is detained dust at 30, you can realize the purpose of this utility model, and these technical schemes all without departing from design of the present utility model Thought and objective, thus in protection domain of the present utility model.

In one embodiment of the present utility model, as shown in Fig. 2, Fig. 3 and Fig. 6, the component 20 that keeps out the wind includes：First keeps out the wind Part 21 and the second weatherseal 22.

Specifically, the first weatherseal 21 is arranged on base plate 10, in strip and parallel with the length direction of base plate 10； Second weatherseal 22 is arranged on base plate 10, in strip and parallel with the width of base plate 10, and the second weatherseal 22 One end is contacted with one end of the first weatherseal 21, to form the space 23 of keeping out the wind of semi-surrounding structure.

In this embodiment, the component 20 that keeps out the wind includes the second weatherseal 22 of first weatherseal 21 and strip of strip, the One weatherseal 21 is parallel with the length direction of base plate 10, i.e., positioned at the front or behind of trundle 30, along the left and right of base plate 10 Direction extends, it is thus possible to which the air-flow to entering from front of base plate 10 plays the effect effectively block；Second weatherseal 22 and bottom The width of plate 10 is parallel, i.e., positioned at the left side or right side of trundle 30, the fore-and-aft direction along base plate 10 extends, thus energy Enough air-flows to entering from 10 both sides of base plate played the effect effectively block.So, the first weatherseal 21 and the second weatherseal 22 The space 23 of keeping out the wind of the semi-surrounding structure to be formed is engaged, pair roller 30 serving the effect of effectively keep out the wind, and is effectively simplified Keep out the wind the structure of component 20, reduce the cost of product.

What deserves to be explained is, ground brush assemblies generally comprise four rolling 30, respectively positioned at four corners of base plate 10, such as Shown in Fig. 2, the front positioned at the roller 30 of 10 left front corner of base plate is provided with the first weatherseal 21, and left is provided with the second weatherseal 22；The front of the roller 30 at 10 right front corner of base plate is provided with the first weatherseal 21, and right is provided with the second weatherseal 22；Position The first weatherseal 21 is provided with the rear of the roller 30 of 10 left back corner of base plate, left is provided with the second weatherseal 22；The bottom of positioned at The rear of 10 right side of plate roller 30 at the rear corners is provided with the first weatherseal 21, and right is provided with the second weatherseal 22.

Further, 21 interval setting of the first weatherseal in front of two rollers 30 of 10 front end of base plate, such as Fig. 2 institutes Show, to ensure that the front of scrubbing brush being capable of just constantly inlet wind；Two second positioned at two 30 lefts of roller of 10 left end of base plate are kept out the wind 22 interval setting of part, as shown in Fig. 2 being capable of just constantly inlet wind with the left side for ensureing scrubbing brush；Positioned at two rollers of 10 right-hand member of base plate Two 22 interval settings of the second weatherseal of 30 rights, as shown in Fig. 2 being capable of just constantly inlet wind with the right side for ensureing scrubbing brush；And position The first weatherseal 21 in two 30 rears of roller of 10 rear end of base plate is then connected as a single entity, as shown in Fig. 2 to avoid after base plate 10 Portion leaks out, and then improves the dust removing effects of scrubbing brush.

Further, the lower surface and second gear of the first weatherseal 21 around two rollers 30 of 10 front end of base plate The lower surface of wind part 22 is in the same plane；Under the first weatherseal 21 around two rollers 30 of 10 rear end of base plate Lower surface of the surface higher than the second weatherseal 22, as shown in Figure 6.So, on the premise of ensureing that pair roller 30 effectively keeps out the wind, both The resistance of 10 front of base plate and side air inlet is reduced, further avoids 10 rear portion of base plate from leaking out, further improve scrubbing brush Dust removing effects.

In one embodiment of the present utility model, base plate 10 is provided with the through hole through 10 thickness direction of base plate；First Weatherseal 21 includes：Connecting portion 212, positioned at the top of base plate 10, and is fixedly connected with base plate 10；Windshied part 211, windshied part 211 one end is connected with connecting portion 212, and the other end of windshied part 211 is reached below base plate 10 through through hole, and is kept out the wind with second Part 22 surrounds space 23 of keeping out the wind.

Preferably, the other end of windshied part 211 is provided with guiding surface 213.

Further, connecting portion 212 and windshied part 211 are integral type structure.

In this embodiment, the first weatherseal 21 includes connecting portion 212 and windshied part 211, and connecting portion 212 is fixed on base plate 10 top, windshied part 211 are reached below floor through the through hole on base plate 10, it is ensured that the first weatherseal 21 and base plate 10 it Between bonding strength, effectively prevent the first weatherseal 21 and come off from base plate 10, and then improve making for the first weatherseal 21 Use reliability；And the assembling between the first weatherseal 21 and base plate 10 is realized by way of grafting, operate more convenient.

Guiding surface 213 is set in the other end of windshied part 211, guiding surface 213 can insert through hole to windshied part 211 Process play effective guide effect, reduce the probability interfered between windshied part 211 and the hole wall of through hole, and then improve The assembling speed of the first weatherseal 21.Connecting portion 212 is integral type structure with windshied part 211, on the one hand improves connecting portion 212 With the bonding strength between windshied part 211, the probability for occurring to rupture between connecting portion 212 and windshied part 211 is reduced, so as to carry The high use reliability of the first weatherseal 21；Another aspect connecting portion 212 can be made by being integrally formed with windshied part 211, So as to improve the production efficiency of the first weatherseal 21, the manufacturing cost of product is reduced.

In any of the above-described embodiment, the first weatherseal 21 is leather strap, and the second weatherseal 22 is wool top.

First weatherseal 21 is leather strap, and leather strap is drawn materials easily, cheap, and the shape needed for being easily processed into；Second Weatherseal 22 is wool top, and wool top is drawn materials easily, cheap, and is easily installed, and is affixed directly to the lower surface of base plate 10. Certainly, it will be understood by those of skill in the art that the first weatherseal 21 and the second weatherseal 22 are not limited to above-mentioned material, such as also Can be deep bead or other structures, as long as the effect of keeping out the wind can be played, you can realize the purpose of this utility model, and without de- From design philosophy of the present utility model and objective, thus in protection domain of the present utility model.

In some embodiments of the present utility model, as shown in Figures 1 to 5, gas channel 11, bottom are formed with base plate 10 The bottom of plate 10 offers the wind guide tank in bar shaped being open towards ground, forms air-guiding aisle, lead between wind guide tank and ground Air-guiding aisle is formed between wind passage and ground, air-guiding aisle is connected with gas channel 11；Ground brush assemblies also include multiple the Three weatherseals 50, multiple third gear wind parts 50 are arranged on the bottom of base plate 10, and positioned at the both sides of air-guiding aisle, for stopping gas Region of the stream from outside air-guiding aisle enters gas channel 11.

In the above-described embodiments, by wind guide tank being opened up in the bottom of base plate 10, make to be formed between wind guide tank and ground and lead Wind passage, realizes air intake, so as to eliminate wool top structure of the prior art, reduces the cost of scrubbing brush；And air-guiding aisle Both sides be provided with weatherseal, weatherseal can stop that region of the external air flow from beyond air-guiding aisle enters gas channel 11, make Obtain external air flow and gas channel 11 can only be entered along air-guiding aisle, so that air-guiding aisle has certain throttling action, carry The flow velocity of the air-flow in high air-guiding aisle, enhances the dust collection capacity of scrubbing brush.

Preferably, the first weatherseal 21 is extended at 10 positive air-guiding aisle of base plate, and the second weatherseal 22 extends to bottom At the passage that keeps out the wind of 10 left part of plate or right part, with ensure air-flow can only Jing air-guiding aisles enter gas channel 11, and can not Region from beyond air-guiding aisle enters gas channel 11.

Preferably, as shown in Figure 4 and Figure 5, along the flow direction of air-flow, air-guiding aisle includes the restriction portion being sequentially connected With dilatation section；Wherein, the cross-sectional area of restriction portion is gradually reduced, and the cross-sectional area of dilatation section gradually increases.

Specifically, wind guide tank includes the first sub- wind guide tank 12 and the second sub- wind guide tank 13, one end of the first sub- wind guide tank 12 The front end of base plate 10 is extended to, and forms air inlet 121, and between the first sub- wind guide tank 12 and ground, form restriction portion, second One end of sub- wind guide tank 13 extends to the porch of gas channel 11, and is connected with gas channel 11, and the second sub- wind guide tank Dilatation section is formed between 13 and ground.

In this embodiment, along the flow direction of air-flow, air-guiding aisle includes the restriction portion being sequentially connected and dilatation section, The air-flow that then wind and dust and other impurities are formed will sequentially pass through restriction portion, dilatation section into gas channel 11；Wherein, along air-flow Flow direction, the cross-sectional area of restriction portion is gradually reduced, it is thus possible to play a part of the speedup that throttles to air-flow, so as to effective The flow velocity of air-flow is improve, impact capacity of the air-flow to floor-dust is enhanced, and then is effectively improved the dedusting effect of scrubbing brush Really；Along the flow direction of air-flow, the cross-sectional area of dilatation section gradually increases, it is thus possible to the work of dilatation deceleration is played to air-flow With the air-flow formed so as to avoid wind and dust and other impurities produces whirlpool in the porch of gas channel 11, and then avoids Dust is detained in the porch of gas channel 11, improves the dust removing effects of scrubbing brush, while also serving very well to the noise of scrubbing brush Improvement result, improve the comfort of user.

Wind guide tank includes the first sub- wind guide tank 12 and the second sub- wind guide tank 13, the first sub- wind guide tank 12 and the second sub- wind guide tank 13 is in bar shaped, and is open towards ground, that is, be open down, it is ensured that air-flow can impact ground, plays dedusting work With；First sub- wind guide tank 12 is in bar shaped, and its one end extends to the front end of base plate 10, and forms air inlet 121, i.e. the first son is led One end of wind groove 12 is also opening, it is ensured that air-flow can swimmingly enter air-guiding aisle, and then play throttle effect； Second sub- wind guide tank 13 is in bar shaped, and its one end extends to the porch of gas channel 11, and is connected with gas channel 11, i.e., One end of the second sub- wind guide tank 13 of bar shaped is also opening, it is ensured that air-flow can swimmingly from dilatation section inflow stream passage 11 It is interior, and be directly entered after flowing through dilatation section in gas channel 11, so as to play a part of dilatation deceleration.

What deserves to be explained is, in the technical program, the size of air inlet 121 is more than entering for opening up on wool top in prior art The size in air port, thus the wind speed at scrubbing brush air inlet 121 is significantly reduced, and then reduce at scrubbing brush air inlet 121 Noise, improves the overall noise of scrubbing brush；But as restriction portion serves the effect of further throttling speedup to air-flow, thus The dust removing effects of scrubbing brush are not reduced, and improves the dust removing effects of scrubbing brush.Preferably, the mouth wall of air inlet 121 is in horn-like, Further to expand the size of air inlet 121, the noise at air inlet 121 is further reduced.

In one embodiment of the present utility model, further, as shown in Figures 2 to 5, the other end of the first wind guide tank There is gap, so as to changeover portion be formed between restriction portion and dilatation section and the other end of the second wind guide tank between；Wherein, along gas The flow direction of stream, the cross-sectional area of changeover portion keep constant.

Preferably, as shown in Figures 2 to 5, third gear wind part 50 is arranged on the both sides of changeover portion.

In this embodiment, between having between the other end of the other end of the first sub- wind guide tank 12 and the second sub- wind guide tank 13 Gap so that form changeover portion between restriction portion and dilatation section, as the air-flow in restriction portion flows downward, the gas of dilatation section Stream is flowed up, and changeover portion is located between restriction portion and dilatation section, and cross-sectional area keeps constant, thus changeover portion energy Effective transitional function is enough played, makes air-flow dilatation section be stably entered by restriction portion, without there is excessive flow direction mutation； On the other hand, as the cross-sectional area of changeover portion is minimum, thus flow velocity of the air-flow in changeover portion is maximum, so changeover portion is deposited So that air-flow at full throttle can flow after a period of time, then Jing dilatations section is entered in gas channel 11, that is, extend gas The time of stream high speed dust removing, thus also further improve the dust removing effects of scrubbing brush.

Third gear wind part 50 is arranged on the both sides of changeover portion, i.e. third gear wind part 50 and is arranged on the cross-sectional area of air-guiding aisle Both sides at minimum, so can further improve the air velocity of changeover portion, so as to further improve the dust removing effects of scrubbing brush.

Preferably, as shown in Figure 4 and Figure 5, along the flow direction of air-flow, the diapire of the first sub- wind guide tank 12 is gradually downward Incline, further to improve the throttling accelerating function of restriction portion, and then further improve the dust collection capacity of scrubbing brush；Second sub- wind-guiding The diapire of groove 13 is gradually inclined upwardly, and further to improve the dilatation decelerating effect of dilatation section, and then further reduces scrubbing brush fortune The noise produced during row.

Preferably, as shown in Figure 4 and Figure 5, the other end of the first sub- wind guide tank 12 is extended on the bottom end face of base plate 10, The other end of the second sub- wind guide tank 13 is extended on the bottom end face of base plate 10.

Preferably, as shown in Figure 4 and Figure 5, the diapire of the first sub- wind guide tank 12 is plane, and the bottom of the first sub- wind guide tank 12 Angle between wall and horizontal plane is not more than 30 °.

Preferably, as shown in Figure 4 and Figure 5, the diapire of the second sub- wind guide tank 13 is plane, and the bottom of the second sub- wind guide tank 13 Angle between wall and horizontal plane is not more than 15 °.

Preferably, as shown in Fig. 2 the air inlet of gas channel 11 is pointed in the projection in the horizontal plane of the axis of air-guiding aisle Middle part so that the air-flow and the air-flow entered from 10 side of base plate that enter from 10 front of base plate are mutual with the angle for being less than 90 ° Effect, and then interfering between air-flow is reduced, so as to further improve the dust collection capacity of scrubbing brush, and when reducing scrubbing brush operation Noise.

In one embodiment of the present utility model, as depicted in figs. 1 and 2, third gear wind part 50 is in strip, and third gear Wind part 50 extends along the length direction of base plate 10.

Further, as shown in Fig. 2 third gear wind part 50 is located along the same line with the first weatherseal 21, and third gear Wind part 50 includes second connecting portion 52 and the second windshied part 51, and second connecting portion 52 also is located at the top of base plate 10, and and base plate 10 are fixedly connected, and one end of the second windshied part 51 is connected with second connecting portion 52, and the other end is reached through the through hole on base plate 10 Below base plate 10.

Further, second connecting portion 52 is connected as a single entity with the connecting portion 212 of the first weatherseal 21, makes third gear wind part 50 Be integral type structure with the first weatherseal 21, further to improve the production efficiency and efficiency of assembling of product, reduce product into Originally, certain third gear wind part 50 and the first weatherseal 21 can also be split-type structural.

The vacuum cleaner that the embodiment of this utility model second aspect is provided, including the ground of any one of first aspect embodiment Brush assemblies.

The vacuum cleaner that the embodiment of this utility model second aspect is provided, because including any one of first aspect embodiment Ground brush assemblies, thus all beneficial effects having with above-described embodiment, will not be described here.

In sum, the ground brush assemblies that this utility model is provided, by the component that keeps out the wind is set up on base plate, make the component that keeps out the wind Cross space of keeping out the wind between base plate and ground, and roller be located at and keep out the wind in space, thus keep out the wind space can pair roller play Effectively wind sheltering effect, so as to the high velocity air avoided into scrubbing brush cavity strikes trundle, and then avoids existing skill The phenomenon that air flow swirl causes dust to be detained is produced in art behind trundle, the dust removing effects of scrubbing brush is effectively improved, is improved The performance of scrubbing brush, and optimize the outward appearance of product.

In this utility model, term " first ", " second ", " the 3rd " are only used for the purpose for describing, and it is not intended that Indicate or imply relative importance；Term " multiple " then refers to two or more, unless otherwise clearly restriction.Term " peace The term such as dress ", " being connected ", " connection ", " fixation " all should be interpreted broadly, and for example, " connection " can be fixedly connected, it is also possible to It is to be detachably connected, or is integrally connected；" being connected " can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right For one of ordinary skill in the art, above-mentioned term specifically containing in this utility model can be understood as the case may be Justice.

In description of the present utility model, it is to be understood that term " on ", D score, "left", "right", "front", "rear" etc. refer to The orientation or position relationship for showing be based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and Simplify description, rather than indicate or imply that the device or unit of indication must be with specific directions, with specific azimuth configuration And operation, it is thus impossible to be interpreted as to restriction of the present utility model.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that the specific features, structure, material or the feature that describe with reference to the embodiment or example are contained in of the present utility model at least one In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term Or example.And, the specific features of description, structure, material or feature can be in one or more any embodiment or examples In combine in an appropriate manner.

Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.

Claims (10)

1. a kind of ground brush assemblies, it is characterised in that include：

Base plate；

Keep out the wind component, on the base plate, and surrounds space of keeping out the wind between the base plate and ground；With

Roller, installed in the bottom of the base plate, and keeps out the wind in space positioned at described, and the roller being capable of relatively described base plate Rotate.

2. brush assemblies according to claim 1ly, it is characterised in that

The space of keeping out the wind is in semi-surrounding structure.

3. brush assemblies according to claim 2ly, it is characterised in that

The semi-surrounding structure of the rectangular shape in the space of keeping out the wind.

4. brush assemblies according to claim 1ly, it is characterised in that

The lower end of the component that keeps out the wind protrudes from the base plate more than the roller with a distance from the bottom end face of the base plate The distance of bottom end face.

5. ground brush assemblies according to any one of claim 2 to 4, it is characterised in that the component that keeps out the wind includes：

First weatherseal, on the base plate, first weatherseal is in strip, and the length direction phase with the base plate It is parallel；With

Second weatherseal, on the base plate, second weatherseal is in strip, and the width phase with the base plate It is parallel, and one end of second weatherseal contacted with one end of first weatherseal, to form the institute of semi-surrounding structure State space of keeping out the wind.

6. brush assemblies according to claim 5ly, it is characterised in that

The base plate is provided with the through hole through the base plate thickness direction；

First weatherseal includes：

Connecting portion, positioned at the top of the base plate, and is fixedly connected with the base plate；

Windshied part, one end of the windshied part are connected with the connecting portion, and the other end of the windshied part is stretched through the through hole To below the base plate, and the space of keeping out the wind is surrounded with second weatherseal.

7. brush assemblies according to claim 6ly, it is characterised in that

The other end of the windshied part is provided with guiding surface.

8. brush assemblies according to claim 6ly, it is characterised in that

The connecting portion is integral type structure with the windshied part.

9. brush assemblies according to claim 5ly, it is characterised in that

First weatherseal is leather strap, and second weatherseal is wool top.

10. a kind of vacuum cleaner, it is characterised in that including ground as claimed in any one of claims 1-9 wherein brush assemblies.