CN205514384U - Brush first subassembly and have its dust catcher - Google Patents

Abstract

The utility model discloses a brush first subassembly, should brush first subassembly and include: the brush head, the bottom of brush head is equipped with downward open air intake, first supporting wheel, first supporting wheel are established bottom the brush head and are lain in the front side of air intake, and first supporting wheel often only supports ground, high adjusting device, the difference in height that the continuous rear side that just is located the air intake of high adjusting device and brush head, high adjusting device pass through to change first rear portion of brush and ground is taken over with the adsorption affinity of regulation air intake to ground, takes over the angularly adjustable of the contained angle of formation when the use and between the ground, and the takeover links to each other with high adjusting device in order to drive the activity of high adjusting device. According to the utility model discloses brush first subassembly, reduced the removal resistance of brush head for the user can free and relaxed removal brush the head, has improved user's experience and has felt.

Description

Brush head assembly and there is its vacuum cleaner

Technical field

This utility model relates to an electro-technical field, more particularly, to a kind of brush head assembly for vacuum cleaner and have it Vacuum cleaner.

Background technology

Owing to the absorption affinity between brush and the ground of vacuum cleaner is relatively big, vacuum cleaner resistance during the push-and-pull of ground is big.Phase In the technology of pass, solve the problems referred to above the most in the following way, brush head assembly arranges lifting pedal, by pressing pedal After, the wool top of brush head assembly can highlight downwards, and brush head assembly front end can be risen.Or set by pedal Putting different gear, after pressing, the ground clearance on brush head assembly floor has different respective heights, adapts to different ground Situation.

The shortcoming of such scheme is that user can not know the applicable surface state corresponding to brush head assembly height intuitively, and makes Used time easily causes maloperation, can not efficiently solve the problem that brush head assembly moving resistance is excessive, reduces the experience of user Sense.

Utility model content

This utility model is intended to solve one of above-mentioned technical problem the most to a certain extent.

To this end, the utility model proposes a kind of brush head assembly for vacuum cleaner, this is used for the brush head assembly regulation side of vacuum cleaner Just, improve the experience sense of user.

This utility model also proposes the vacuum cleaner with above-mentioned brush head assembly, and this vacuum cleaner regulation brush head assembly is easy to adjust, uses Family experience sense is good.

The brush head assembly for vacuum cleaner according to this utility model first aspect includes: brush, and the bottom of described brush is provided with The air inlet opened wide downwards；First supports wheel, and described first supports wheel is located at bottom described brush and is positioned at described air inlet Front side, described first supports wheel the most only supports ground；Arrangement for adjusting height, described arrangement for adjusting height be connected with described brush and Being positioned at the rear side of described air inlet, described arrangement for adjusting height is by changing the difference in height on rear portion and the ground of described brush to adjust Save the described air inlet absorption affinity to ground；Adapter, the angle of the angle that described adapter in use and is formed between ground can Adjusting, described adapter is connected with described arrangement for adjusting height to drive described arrangement for adjusting height movable.

According to the brush head assembly for vacuum cleaner of the present utility model, can be driven by the variable angle between adapter and ground Arrangement for adjusting height is movable, thus changes the rear portion of brush with the difference in height on ground to regulate the air inlet absorption affinity to ground, Reduce the moving resistance of brush so that user can be easy to adjust with free and relaxed mobile brush, improves the experience of user Sense.

It addition, according to the brush head assembly for vacuum cleaner of the present utility model, it is also possible to have a following additional technical characteristic:

According to an embodiment of the present utility model, described arrangement for adjusting height is the most movable, When described arrangement for adjusting height is positioned at described primary importance, the rear portion of described brush is minimum with the difference in height on ground, described height When adjusting means is positioned at the described second position, the rear portion of described brush is maximum with the difference in height on ground, and described air inlet is to ground Absorption affinity minimum.

According to an embodiment of the present utility model, the bottom of described brush is provided with the regulating tank of open at its lower end, and described height is adjusted Regulating device includes: second supports wheel, and described second supports wheel is located in described regulating tank and described second supports wheel and the most only support ground Face, described second supports the wheel difference in height along the most movable rear portion with ground to regulate described brush of described regulating tank； First rotating shaft, described first rotating shaft is connected with described adapter, and described adapter and described first rotating shaft are around the axle of described first rotating shaft Line is rotatably to regulate described adapter relative to the angle between ground；Drive rod, described drive rod and described first rotating shaft and Described second supports wheel is connected, and described drive rod drives described second to support wheel along described regulation when described first axis of rotation The axial activity of groove.

According to an embodiment of the present utility model, described drive rod is arranged in described brush by the second rotating shaft, described in drive Lever is pivotable around described second rotating shaft, and the first end of described drive rod is connected with described first rotating shaft, the of described drive rod Two ends only support described second and support wheel, drive described drive rod to rotate round about during described first axis of rotation.

According to an embodiment of the present utility model, described second rotating shaft is located at the middle part of described drive rod.

According to an embodiment of the present utility model, the first end of described drive rod and described first rotating shaft are respectively equipped with mutually Meshed gears, described first rotating shaft drives described drive rod around described second axis of rotation by described gear.

According to an embodiment of the present utility model, the side towards described drive rod of described first rotating shaft is provided with described gear.

According to an embodiment of the present utility model, described second supports wheel includes: support bar and wheel body, described wheel body can turn It is located at the lower end of described support bar dynamicly and the most only supports ground, described support bar being axially located at movably along described regulating tank In described regulating tank, described drive rod is only supported in the upper end of described support bar.

According to an embodiment of the present utility model, described brush head assembly also includes: roller, and described roller is located at described first In rotating shaft and rotatable around the axis of described first rotating shaft, described roller is positioned at described primary importance at described arrangement for adjusting height Often only supporting ground, described roller departs from ground when described arrangement for adjusting height is positioned at the described second position.

Vacuum cleaner according to this utility model second aspect embodiment include this utility model first aspect embodiment for dust suction The brush head assembly of device, owing to reducing air intake according to the brush head assembly for vacuum cleaner of this utility model first aspect embodiment The mouth absorption affinity to ground, improves the experience sense of user, therefore, according to this utility model the second utility model embodiment Vacuum cleaner improves the experience sense of user.

Additional aspect of the present utility model and advantage will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by practice of the present utility model.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage are from combining the accompanying drawings below description to embodiment and will become Substantially with easy to understand, wherein:

Fig. 1 is the sectional view of the brush head assembly for vacuum cleaner according to one embodiment of this utility model, and wherein, height is adjusted Regulating device is in the first position；

Fig. 2 is the sectional view of the brush head assembly for vacuum cleaner according to one embodiment of this utility model, and wherein, height is adjusted Regulating device is in the second position；

Fig. 3 is the partial enlarged drawing of a-quadrant in Fig. 1；

Fig. 4 is the partial enlarged drawing in B region in Fig. 2.

Reference:

Brush head assembly 100；

Brush 10；Air inlet 11；Regulating tank 12；

First supports wheel 20；

Arrangement for adjusting height 30；Second supports wheel 31；Support bar 311；Wheel body 312；First rotating shaft 32；Drive rod 33； First end 331 of drive rod；Second end 332 of drive rod；Second rotating shaft 34；

Adapter 40；

Gear 50；

Roller 60.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of embodiment is shown in the drawings, the most identical Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing The embodiment stated is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.

Vacuum cleaner substantially can include main body and brush head assembly two parts, can be provided with blower fan and dust-collecting cylinder in main body, brush The brush of head assembly is connected with main body by adapter.Under the high speed rotating of draught fan impeller, the air in dust-collecting cylinder is constantly discharged, So that simultaneously form vacuum in dust-collecting cylinder, under pressure differential effect, new air constantly enters collection from the air inlet of brush In dirt cup and the dust on ground is brought in dust-collecting cylinder, thus cleaning action is played on ground.

It will be appreciated by persons skilled in the art that the development along with cleaner technology, the dust removal performance of vacuum cleaner is also got over Coming the highest, its basic reason is that the parameters such as the suction power of vacuum cleaner, vacuum are more and more higher.User is using vacuum cleaner When carrying out floor cleaning work, take over before and after's push-and-pull by operation and drive the movement of brush to carry out dust suction work.Due to vacuum Degree is relatively big, and air inlet is the biggest to the absorption affinity on ground, causes brush tightlier to be encrypted with what fitted in ground, therefore, takes over During front and back brush is moved in push-and-pull, resistance is bigger.For these reasons, this utility model put forth effort solve brush head assembly move The problem that resistance is excessive.

Specifically describe the brush head assembly 100 for vacuum cleaner according to this utility model embodiment below in conjunction with the accompanying drawings.

As it is shown in figure 1, the brush head assembly 100 for vacuum cleaner substantially may include that brush 10, first supports wheel 20, height Degree adjusting means 30 and adapter 40.

Specifically, the bottom of brush 10 is provided with the air inlet 11 opened wide downwards.First supports wheel 20 is located at bottom brush 10 also Being positioned at the front side of air inlet 11, first supports wheel 20 the most only supports ground.It is to say, the mistake of push-and-pull adapter 40 before and after user Cheng Zhong, first supports wheel 20 keeps with ground contacting to drive brush 10 to move all the time.

Arrangement for adjusting height 30 is connected with brush 10 and is positioned at the rear side of air inlet 11, and arrangement for adjusting height 30 is by changing The rear portion of brush 10 and the difference in height on ground are to regulate the air inlet 11 absorption affinity to ground.It is understood that air inlet 11 is the biggest with the distance on ground, then air inlet 11 is the least to the absorption affinity on ground；Air inlet 11 is the least with the distance on ground, Then air inlet 11 is the biggest to the absorption affinity on ground.Owing to air inlet 11 is positioned at the bottom of brush 10, therefore, it can by changing The difference in height of the bottom and ground that become brush 10 regulates the air inlet 11 absorption affinity to ground.

The adjustable angle of the angle that adapter 40 in use and is formed between ground, adapter 40 is connected with arrangement for adjusting height 30 To drive arrangement for adjusting height 30 movable.It is to say, user is during front and back's push-and-pull adapter 40, along with adapter 40 And the angle change between ground can drive arrangement for adjusting height 30 movable, and the activity of arrangement for adjusting height 30 can change The rear portion of brush 10 is with the difference in height on ground thus regulates the air inlet 11 absorption affinity to ground.User uses vacuum cleaner dust suction During brush 10 bottom and ground between distance can carry out Natural regulation according to the angle of adapter 40 with ground, Such that it is able to effectively regulate the absorption affinity of air inlet 11 and ground, reduce the moving resistance of brush 10, easy to adjust, and then Improve the experience sense of user.

Specifically, see figures.1.and.2 shown in, according to the brush head assembly 100 of this utility model embodiment in use, when When brush head assembly 100 is in state shown in Fig. 1, adapter 40 is in normal operating condition with the angle on ground, and now height is adjusted Regulating device 30 regulates the height at brush 10 rear portion and makes the rear portion of brush 10 only support ground, air inlet 11 and the distance on ground Less, the absorption affinity between air inlet 11 and ground is bigger.

When will take over 40 with the angular adjustment on ground to during less than the angle of normal operating condition, will brush head assembly 100 from figure Position adjustments shown in 1 is to position shown in Fig. 2, when brush head assembly 100 is in state shown in Fig. 2, and arrangement for adjusting height 30 The height at regulation brush 10 rear portion makes the disengaging ground, rear portion of brush 10, air inlet 11 increase with the distance on ground, air intake Absorption affinity between mouth 11 and ground is less.

Thus, according to the brush head assembly 100 for vacuum cleaner of this utility model embodiment, by regulation adapter 40 and ground Between angle arrangement for adjusting height 30 can be driven movable, thus change the rear portion of brush 10 with the difference in height on ground to adjust The joint air inlet 11 absorption affinity to ground, reduces the moving resistance of brush 10 so that user can be with free and relaxed mobile brush 10, regulate more convenient, improve the experience sense of user.

Vacuum cleaner in the case of being not provided with arrangement for adjusting height 30, the utility model people mobile resistance to brush 10 push-and-pull process Power has carried out force analysis, and utility model people finds the moving resistance pushed out by brush 10 more than being pulled back by brush 10 Moving resistance.It is to say, brush 10 is in time moving near user direction, air inlet 11 is the least to the absorption affinity on ground, The moving resistance of brush 10 is the least, and brush 10 is in time moving away from user direction, and air inlet 11 is the biggest to the absorption affinity on ground, The moving resistance of brush 10 is the biggest.

In embodiments more of the present utility model, arrangement for adjusting height 30 is the most movable, When arrangement for adjusting height 30 is positioned at primary importance, the rear portion of brush 10 is minimum with the difference in height on ground.

Specifically, when arrangement for adjusting height 30 is positioned at primary importance as shown in Figure 1, the bottom of brush 10 contacts with ground, Now, air inlet 11 is maximum to the absorption affinity on ground；When arrangement for adjusting height 30 is positioned at the second position shown in Fig. 2, The rear portion of brush 10 is maximum with the difference in height on ground, and the bottom of brush 10 and ground distance are L, and now, air inlet 11 is right The absorption affinity on ground is minimum.

It is to say, arrangement for adjusting height 30 makes rear portion and the ground of brush 10 from primary importance to second position active procedure The difference in height in face is gradually increased.When arrangement for adjusting height 30 is positioned at primary importance, the angle between adapter 40 and ground sets Being set to α, when arrangement for adjusting height 30 is positioned at the second position, the angle between adapter 40 and ground is set as β, wherein, α>β.I.e. adapter 40 is the biggest with the angle on ground, and the rear portion of brush 10 is the least with the difference in height on ground, otherwise, adapter 40 is the least with the angle on ground, and the rear portion of brush 10 is the biggest with the difference in height on ground.

It is understood that adapter 40 is the nearest with user distance, adapter 40 is the biggest with the angle on ground, adapter 40 and user Distance is the most remote, and adapter 40 is the least with the angle on ground, and in other words, arrangement for adjusting height 30 is in primary importance and the second position Movable reduce the moving resistance that brush 10 pushs out.

In a specific embodiment of the present utility model, the bottom of brush 10 is provided with the regulating tank 12 of open at its lower end, and height is adjusted Regulating device 30 may include that the second support wheel the 31, first rotating shaft 32 and drive rod 33.

Specifically, second supports in wheel 31 is located at regulating tank 12 and second supports wheel 31 and the most only support ground, and second supports wheel 31 Difference in height along the most movable rear portion with ground to regulate brush 10 of regulating tank 12.First rotating shaft 32 and adapter 40 Be connected, adapter 40 and the first rotating shaft 32 around the first rotating shaft 32 axis rotatably with regulate adapter 40 relative to ground between Angle.Drive rod 33 is connected with the first rotating shaft 32 and the second support wheel 31, and drive rod 33 is when the first rotating shaft 32 rotates Drive the second support wheel 31 along the axial activity of regulating tank 12.

It is to say, during butt tube 40 pushes or pulls, adapter 40 and the first rotating shaft 32 can synchronize around The axis of the first rotating shaft 32 rotates thus regulates adapter 40 and make relative to the angle between ground, the rotation of the first rotating shaft 32 Drive rod 33 can change the second support wheel 31 relative positions in regulating tank 12.Because the second support wheel 31 is often only butted on Ground, second support wheel 31 by downward pressure time, regulating tank 12 can relative second support wheel 31 move up thus The rear portion making whole brush 10 is lifted up, and then changes the absorption affinity of air inlet 11 and ground.

According to an embodiment of the present utility model, drive rod 33 is arranged in brush 10 by the second rotating shaft 34, drive rod 33 around the second rotating shaft 34 pivotably, and the first end 331 of drive rod 33 is connected with the first rotating shaft 32, the second of drive rod 33 End 332 only supports the second support wheel 31, drives drive rod 33 to rotate round about when the first rotating shaft 32 rotates.Wherein, Two rotating shafts 34 can be located at the middle part of drive rod 33.

In other words, during user's butt tube 40 pushes or pulls, adapter 40 and the first rotating shaft 32 can synchronize Axis around the first rotating shaft 32 rotates.Such as, when user's butt tube 40 applies thrust, i.e. brush 10 near user to When moving away from user direction, the first rotating shaft 32 rotates dynamic counterclockwise and drives drive rod 33 to turn clockwise, i.e. drive rod One end of 33 is rotated up and the other end of drive rod 33 has the trend rotated down, but the other end of drive rod 33 due to Supported wheel 31 by second only to support so that one end of drive rod 33 is upturned, thus drives the first rotating shaft 32 and brush 10 Rear portion be upturned, and then change the absorption affinity between air inlet 11 and ground.

In in some embodiments of the present utility model, on the first end 331 of drive rod 33 and the first rotating shaft 32 respectively If intermeshing gear 50, the first rotating shaft 32 drives drive rod 33 to rotate around the second rotating shaft 34 by gear 50.

As depicted in figs. 1 and 2, the outer peripheral face of the first rotating shaft 32 is provided with the first gear 50, the first end 331 of drive rod 33 End face be provided with the second gear 50 that the first gear 50 is corresponding.Thus, it is possible to ensure drive rod 33 and the first rotating shaft 32 Synchronous axial system can occur.

Alternatively, the side towards drive rod 33 of the first rotating shaft 32 is provided with gear 50.It is to say, the first rotating shaft 32 Circumference on local be provided with gear 50.Thus, the position that the first rotating shaft 32 has only to coordinating with drive rod 33 arranges gear 50, gear 50 is all set without entirety in the first rotating shaft 32, is ensureing that drive rod 33 is permissible with the first rotating shaft 32 On the basis of there is synchronous axial system, may be controlled to this.

In a specific embodiment of the present utility model, second supports wheel 31 may include that support bar 311 and wheel body 312. Wheel body 312 is rotatably arranged at the lower end of support bar 311 and the most only supports ground, and support bar 311 axially may be used along regulating tank 12 Being located at actively in regulating tank 12, drive rod 33 is only supported in the upper end of support bar 311.

It is to say, in drive rod 33 rotary course, the second end 332 of drive rod 33 can be to the upper table of support bar 311 Face applies downward pressure, and drive rod 33 is while applying active force to support bar 311, does not interferes with wheel body 312 Rotation, it is ensured that brush head assembly 100 can be properly functioning.

In a specific embodiment of the present utility model, brush head assembly 100 can also include roller 60.Roller 60 is located at In one rotating shaft 32 and rotatable around the axis of the first rotating shaft 32, roller 60 is when arrangement for adjusting height 30 is positioned at primary importance The most only supporting ground, roller 60 departs from ground when arrangement for adjusting height 30 is positioned at the second position.By after brush 10 Portion arranges roller 60 can reduce the brush 10 frictional force during ground moving, it is simple to brush head assembly is the most back and forth Push-and-pull, improves the experience sense of user.

The work process of the brush head assembly 100 according to one embodiment of this utility model is specifically described below in conjunction with Fig. 1 to Fig. 4.

Specifically, according to the brush head assembly 100 of this utility model embodiment when normally using, brush head assembly 100 is in Fig. 1 With position shown in Fig. 3, adapter 40 is in user's normal operating condition, and the distance between user is less, drive rod 33 Active force can not be there is between horizontal level, two ends and the first rotating shaft 32 and the second support wheel 31 of drive rod 33, the Two support wheel 31 is in normal position, supports wheel 31 with roller 60 and first and only supports ground simultaneously, the rear portion of brush 10 with Distance between ground is minimum, and air inlet 11 is maximum with the absorption affinity on ground.

When needing to promote brush head assembly 100 to the position away from user, user promotes forward brush head assembly 100, adapter 40 with the angle on ground in being gradually reduced process (angle is from α to β), in the process, adapter 40 and the first rotating shaft 32 Axis around the first rotating shaft 32 synchronizes to rotate counterclockwise, owing to the first end 331 of the first rotating shaft 32 and drive rod 33 is provided with mutually The gear 50 being meshed, under gear 50 transmission, drive rod 33 synchronizes to rotate clockwise so that the first end of drive rod 33 331 and second end rotate round about.

I.e. the first end 331 of drive rod 33 is rotated up, and the second end of drive rod 33 rotates down and supports wheel 31 to second Support bar 311 apply downward pressure, second supports wheel the moving axially downwards of 31 stress tailing edge regulating tanks 12.Due to Two support wheel 31 only supports ground, and second supports wheel 31 makes the rear portion of brush 10 tilt upward the counteracting force of drive rod 33 Rising, thus improve the bottom of brush 10 and the difference in height on ground, air inlet 11 is the most corresponding to the difference in height on ground to be increased, And then reduce the air inlet 11 absorption affinity to ground.

When brush head assembly 100 activity is to position shown in Fig. 2 and Fig. 4, the rear portion of brush 10 is maximum with the difference in height on ground, Now, air inlet 11 is the most maximum with the difference in height on ground, and air inlet 11 is minimum with the absorption affinity on ground.

When needing to pull brush head assembly 100 to the position near user, user pulls back brush head assembly 100, adapter 40 with the angle on ground in being gradually increased process (angle is from β to α), adapter 40 and the first rotating shaft 32 are around the first rotating shaft 32 Axis synchronize rotate clockwise, owing to the first end 331 of the first rotating shaft 32 and drive rod 33 is provided with intermeshing gear 50, under gear 50 transmission, drive rod 33 synchronizes to rotate counterclockwise so that the first end 331 of drive rod 33 and the second end to Rightabout rotates, i.e. the first end 331 of drive rod 33 rotates down, and the second end of drive rod 33 is rotated up, and drives Bar 33 supports the active force of wheel 31 and disappears second, and position shown in Fig. 1 is replied at the rear portion of brush 10 under self gravitation effect, The difference in height zero on the bottom of brush 10 and ground.

Vacuum cleaner (not shown) according to this utility model second aspect embodiment includes that this utility model first aspect is implemented The brush head assembly 100 for vacuum cleaner of example, due to the brush for vacuum cleaner according to this utility model first aspect embodiment Head assembly 100 is easy to adjust, improves the experience sense of user, therefore, according to this utility model the second utility model embodiment Vacuum cleaner improve the experience sense of user.

Other of vacuum cleaner according to this utility model embodiment are to manage the most to those skilled in the art Solve and easily realize, being therefore not described in detail.

In description of the present utility model, it is to be understood that term " " center ", " length ", " width ", " thickness ", On " ", D score, "left", "right", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on shown in the drawings Orientation or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model Restriction.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed Or implicitly include one or more this feature.In description of the present utility model, " multiple " be meant that two or Two or more, unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected； Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can To be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned Term concrete meaning in this utility model.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but logical Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " on Face " include that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature ground level higher than the Two features.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature is special second Directly over levying and oblique upper, or it is merely representative of fisrt feature ground level less than second feature.

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

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to it is interpreted as that, to restriction of the present utility model, those of ordinary skill in the art is without departing from of the present utility model former Above-described embodiment can be changed in the range of this utility model in the case of reason and objective, revise, replace and modification.

Claims (10)

1. the brush head assembly for vacuum cleaner, it is characterised in that including:

Brush, the bottom of described brush is provided with the air inlet opened wide downwards；

First supports wheel, and described first supports wheel is located at bottom described brush and is positioned at the front side of described air inlet, and described first supports wheel the most only supports ground；

Arrangement for adjusting height, described arrangement for adjusting height is connected with described brush and is positioned at the rear side of described air inlet, and described arrangement for adjusting height is by changing the difference in height on rear portion and the ground of described brush to regulate the described air inlet absorption affinity to ground；

Adapter, the adjustable angle of the angle that described adapter in use and is formed between ground, described adapter is connected with described arrangement for adjusting height to drive described arrangement for adjusting height movable.

Brush head assembly for vacuum cleaner the most according to claim 1, it is characterized in that, described arrangement for adjusting height is the most movable, when described arrangement for adjusting height is positioned at described primary importance, the rear portion of described brush is minimum with the difference in height on ground, when described arrangement for adjusting height is positioned at the described second position, the rear portion of described brush is maximum with the difference in height on ground, and described air inlet is minimum to the absorption affinity on ground.

Brush head assembly for vacuum cleaner the most according to claim 2, it is characterised in that the bottom of described brush is provided with the regulating tank of open at its lower end, and described arrangement for adjusting height includes:

Second supports wheel, and described second supports wheel is located in described regulating tank and described second supports wheel and the most only support ground, and described second supports the wheel difference in height along the most movable rear portion with ground to regulate described brush of described regulating tank；

First rotating shaft, described first rotating shaft is connected with described adapter, described adapter and described first rotating shaft around the axis of described first rotating shaft rotatably to regulate described adapter relative to the angle between ground；

Drive rod, described drive rod is connected with described first rotating shaft and described second support wheel, and described drive rod drives described second to support the wheel axial activity along described regulating tank when described first axis of rotation.

Brush head assembly for vacuum cleaner the most according to claim 3, it is characterized in that, described drive rod is arranged in described brush by the second rotating shaft, described drive rod is pivotable around described second rotating shaft, first end of described drive rod is connected with described first rotating shaft, second end of described drive rod only supports described second and supports wheel, drives described drive rod to rotate round about during described first axis of rotation.

Brush head assembly for vacuum cleaner the most according to claim 4, it is characterised in that described second rotating shaft is located at the middle part of described drive rod.

Brush head assembly for vacuum cleaner the most according to claim 4, it is characterized in that, being respectively equipped with intermeshing gear on first end of described drive rod and described first rotating shaft, described first rotating shaft drives described drive rod around described second axis of rotation by described gear.

Brush head assembly for vacuum cleaner the most according to claim 6, it is characterised in that the side towards described drive rod of described first rotating shaft is provided with described gear.

Brush head assembly for vacuum cleaner the most according to claim 3, it is characterized in that, described second supports wheel includes: support bar and wheel body, described wheel body is rotatably arranged at the lower end of described support bar and the most only supports ground, described support bar being axially located at movably in described regulating tank along described regulating tank, described drive rod is only supported in the upper end of described support bar.

Brush head assembly for vacuum cleaner the most according to claim 3, it is characterized in that, also include: roller, described roller is located in described first rotating shaft and rotatable around the axis of described first rotating shaft, described roller is positioned at described primary importance at described arrangement for adjusting height and often only supports ground, and described roller departs from ground when described arrangement for adjusting height is positioned at the described second position.

10. a vacuum cleaner, it is characterised in that include the brush head assembly for vacuum cleaner according to any one of claim 1-9.