Background technology
Utilize cleaner head that the existing electric dust collector of Fig. 8~12 explanation uses below and with the structure of the electric dust collector of this cleaner head.
The overall structure of electric dust collector at first, is described with Fig. 8.Cleaner head 31 links to each other with an end of extension pipe 33 by tube connector 32, the other end of extension pipe 33 links to each other with operating handle 34, the back of operating handle 34 is connected with flexible pipe 35, the other end of flexible pipe 35 links to each other with connector 36b on the main body of dust collector 36, and is respectively equipped with the dust channel (not shown) that is connected with the electric blower 36a of the generation dust-absorbing airflows that are provided with in the main body of dust collector 36 in described each parts.
Formation below by Fig. 9~12 explanation cleaner head 31.Dispose tube connector 32 on the cleaner head 31, this tube connector 32 is connected with the dust storage chamber 37a with the peristome 37 that is used for attracting dust.In addition, also be furnished with rotating brush 39 among the dust storage chamber 37a, rotating brush 39 has a plurality of brushes 38 that dust has upwards been swept.Motor (not shown) reaches rotating brush 39 by belt (not shown) with rotary power and makes it to rotate.In addition, as the support unit of cleaner head 31, two fixing flannelettes 40 disposed the swing roller 41 that is fixed on the cleaner head 31 free to rotately about the cleaner head 31 in peristome 37 the place aheads was provided with at cleaner head 31 rears.In addition, a wall that constitutes the cleaner head of dust storage chamber 37a is that antetheca 42 is the approximate vertical direction and extends upward, and the lower end of antetheca 42 is rearward crooked, forms peristome 37.At this, the recess 43 of concave-convex surface when antetheca 42 is provided with and looks up cleaner head 31 from front and back, and the lower end of antetheca 42 and fixedly the installation portion lower end 44 of flannelette be in sustained height basically.In addition, the top of antetheca 42 is provided with the bolster 45 that the elastomeric material that is used to protect wall is made, being set as foremost than before antetheca 42 also prominent foremost of this bolster 45.
By adopting described structure, cleaner head 31 by about two fixedly flannelette 40 and swing roller 41 are supported.When main body of dust collector 36 began produce to attract air-flow, the dust on the swept surface was inhaled in the main body of dust collector 36 by tube connector 32, extension pipe 33 and flexible pipe 35 then along with the rotation of rotating brush 39 has upwards swept.But, at existing this dust catcher with cleaner head and adopt in its electric dust collector, because the existence of recess 43 is arranged, though locating dust in the corner etc. also can clear away to a certain extent, but since the antetheca 42 of dust storage chamber 37a that constitutes cleaner head 31 in its underpart to the cause of peristome 37 direction bendings, antetheca 42 is longer to the distance of peristome 37, the result makes the elongated to the distance of peristome 37 foremost of bolster 45, the attraction effect that makes 37 pairs of corners of peristome etc. locate dust dies down, and it is abundant inadequately that cleaning performance just seems.In addition, in existing this dust catcher, the sidewall of dust storage chamber 37a and rear wall also as antetheca 42 to peristome 37 direction bendings, so it is also longer to the distance of peristome 37 from sidewall and rear wall, the result makes the elongated to the distance of peristome 37 foremost of bolster 45, the attraction effect that makes 37 pairs of corners of peristome etc. locate dust dies down, and it is abundant inadequately that its cleaning performance just seems.
Description of drawings
Fig. 1 is the overall schematic of the electric dust collector of embodiment 1 of the present utility model.
Fig. 2 is the front view of the cleaner head in this dust catcher.
Fig. 3 is the upward view of this cleaner head.
Fig. 4 is the side view of this cleaner head.
Fig. 5 is the A-A sectional view of Fig. 2.
Fig. 6 is the B-B sectional view of Fig. 2.
Fig. 7 is the upward view of the cleaner head of embodiment 2 of the present utility model.
Fig. 8 is the overall schematic of electric dust collector in the past.
Fig. 9 is the front view of cleaner head in the past.
Figure 10 is the upward view of cleaner head in the past.
Figure 11 is the side view of cleaner head in the past.
Figure 12 is the C-C sectional view of Fig. 8.
The specific embodiment
Embodiment 1
Below by Fig. 1 to Fig. 6 embodiment 1 of the present utility model is described.
The unitary construction of electric dust collector at first is described with Fig. 1.Cleaner head 1 links to each other with an end of extension pipe 3 by tube connector 2, and the other end of extension pipe 3 links to each other with operating handle 4, and the back of operating handle 4 is connected with flexible pipe 5, and the other end of flexible pipe 5 links to each other with connector 6b on the main body of dust collector 6.Be respectively equipped with the dust channel that is connected with the electric blower 6a of the main body of dust collector 6 interior generation dust-absorbing airflows that are provided with in described each parts.
Next, specify the structure of cleaner head 1 of the present utility model.This cleaner head 1 is made of with linking to each other with dust storage chamber 7a and being fixed on tube connector 2 on the main body 1b of this cleaner head 1, that inside is provided with dust channel 2a the 1b of cleaner head 1 main body that constitutes the dust storage chamber 7a with the peristome 7 that attracts dust.At this, for the main body 1b that makes cleaner head 1 locates to be easy to move in the corner etc., the wall portion that tube connector 2 has with respect to the dust storage chamber 7a of the main body 1b that constitutes cleaner head 1 is that antetheca 8 can turn to the mechanism of almost parallel with it.In addition, also be provided with rotating brush 10 in the dust storage chamber 7a, this rotating brush 10 has a plurality of brushes 9 that dust has upwards been swept.Motor (not shown) reaches rotating brush 10 by belt (not shown) with rotary power and makes it to rotate.In addition, about the place ahead of peristome 7 has two fixedly flannelette 11 be fixed on the cleaner head 1, about the rear of peristome 7 also has two fixedly flannelette 12A be fixed on the cleaner head 1, have a flannelette roller 13 free to rotate to be fixed on the cleaner head 1 at the rear of the main body 1b of cleaner head 1.At this, fixedly flannelette 11 bends to from the antetheca 8 of cleaner head 1 to its lower surface 15 and roughly shows " L " word shape, and its flannelette 11 imposed on lodging and handle, and that is to say that the fore-and-aft direction that makes its flannelette and cleaner head 1 as one man lodges in the past backward.
In addition, fixedly the lower end 16 of flannelette 11 is set at crest line than the lower end 18 of lower end 17 that is connected and fixed flannelette A12 and flannelette roller 13 also by on the position of top.In addition, antetheca 8 bottoms of the bottom framework 1a of the main body 1b bottom of formation cleaner head 1 by outstanding forward protuberance 19 is set, form peristome 7.In addition, at protuberance 19, when fore-and-aft direction is seen cleaner head 1, be the recess A20 of concaveconvex shape and be arranged on the identical position with the recess B21 that when above-below direction is seen cleaner head 1, is concaveconvex shape.The recess 20 here is of a size of below the wide 10mm, more than the dark 1mm.Recess A20 and recess B21 are level and smooth curved shape.
In addition, installation portion lower end 22 than fixing flannelette 11 is arranged to also by on the last position in the lower end of protuberance 19, and the width of the width of protuberance 19 and brush 9 is roughly the same.In addition, the top of antetheca 8 has been provided with the bolster 23 made of elastomeric material of protection wall action, to form the main body 1b of cleaner head 1.After being arranged to foremost of protuberance 19 leaned on the identical foremost of bolster 23 or than it.Also have, the front portion of bolster 23 is provided with bolster protuberance 29.
By adopting described structure, cleaner head 1 by about two fixedly flannelette A11 and flannelette roller 13 are supported.When producing the attraction air-flow by main body of dust collector 6, the dust on the swept surface has upwards been swept with the rotation of rotating brush 10, is inhaled in the main body of dust collector 6 by tube connector 2, extension pipe 3 and flexible pipe 5 then.
Like this,, can guarantee the front and back width of antetheca 8 lower ends of cleaner head 1, can also form in order to reducing and the swept surface R shape portion 30 of the friction between the flannelette blanket face particularly that the operating characteristics of cleaner head 1 also can be kept by forming protuberance 19.In addition, when cleaning corner etc. is located, directly flow to recess A20, thereby the control of dust near the recess A20 the swept surface is improved by forming the air-flow that flows to antetheca 8 that recess B21 strengthens.In addition, recess A20 is of a size of more than following, the dark 1mm of wide 10mm.Because matting can be sucted about 0.5mm because of the cause quilt that adsorbs at recess A20 place when along the lines dust suction of matting, so as long as the degree of depth is guaranteed for more than the 1mm, then can there be certain space between matting and the recess A20, thereby can under the prerequisite of not losing operability, improve control of dust.On the other hand, when against the lines dust suction of matting, because the braid pitch of matting is about 12mm, the width of recess is made words below the 10mm, just can prevent that matting is absorbed in the recess A20 because of suction, thereby can improve control of dust, also not lose operability simultaneously.Simultaneously, because recess A20 and recess B21 are level and smooth curved shape, so can prevent to damage swept surface and metope.In addition, because the lower end of protuberance 19 is arranged to than the installation portion lower end 22 of fixing flannelette 11 height also, therefore being not only the recess A20 of antetheca 8 of cleaner head 1 and the part beyond swept surface and the recess A20 and the breathing area between the swept surface also obtains increasing, the result flows into air-flow on the fore-and-aft direction of the antetheca 8 of cleaner head 1, dwindled simultaneously the antetheca 8 that is formed on cleaner head 1 the lower end and with swept surface particularly with the bottom surface R30 of flannelette blanket face friction usefulness.So, it is very near that wall and peristome 7 can lean on mutually, thereby can improve the control of dust that corner etc. is located, and can prevent the lower end damage swept surface of antetheca 8.In addition, because the width of protuberance 19 and brush 9 is roughly the same, can clears away peristome 7 interior dusts near the protuberance 19 with brush 9 always, thereby can improve control of dust comprehensively.In addition, because after being configured to foremost of protuberance 19 leaned on the identical foremost of bolster 23 or than it, when therefore near metope, cleaning, metope can contact with bolster 23, so can prevent the metope damaged, and because the close cause of metope and peristome 7, the control of dust that corner etc. are located also can be improved.In addition, owing to be provided with bolster protuberance 29 in the front of bolster 23, also can flow into air-flow from the top of antetheca 8, the dust collecting performance that corner etc. are located is improved.Simultaneously, cleaner head 1 is to support by fixedly flannelette A12 that is arranged on peristome 7 rears and flannelette roller 13, just there is no need to form the installation portion of the fixedly flannelette 11 that relatively occupies erection space in the place ahead of peristome 7, protuberance 19 just can be done very widely like this, thereby can improve the control of dust at place, corner.
In addition, in described embodiment, because protuberance 19 is made by soft materials such as two material formings, and protuberance 19 be configured to foremost than bolster 23 foremost in the inner part or the cause identical with it, can prevent the lower end damage swept surface of antetheca 8.And because the close cause of metope and peristome 7, the control of dust that corner etc. are located also can be improved obviously.
Embodiment 2
By Fig. 7 embodiment 2 of the present utility model is described below.
Wherein, the parts identical with the above embodiments 1 are shown with identical symbol, also will omit its description.
Bottom at the bottom framework 1a sidewall 8 of the bottom of the main body 1b that constitutes cleaner head 1 is provided with to the outstanding protuberance 46 in side.Like this, even cleaner head 1 contacts with swept surface, also can be communicated with peristome 7 by the recess 47 that is formed on the described bottom framework 1a.
In addition, disposed the bolster 23 made of elastomeric material of protection wall action, and formed the main body 1b of cleaner head 1, and the protuberance of protuberance 46 is arranged on protuberance than bolster 23 by on the position of lining.In addition, in the front of bolster 23, also be formed with bolster protuberance 24.
So, because it is identical or lean on the lining than it that the protuberance of protuberance 46 is arranged to protuberance with bolster 23, so when locating to clean in the corner etc., metope can contact with bolster 23, so can prevent the metope damaged, and because the close cause of metope and peristome 7, the control of dust that corner etc. are located also can be improved.