CN101612020B - Bearing bracket and power drive device of revolving brush of vacuum cleaner by utilizing the same - Google Patents

Abstract

The invention relates to a bearing bracket, comprising a first bearing plate for supporting a first bearing hole of a first bearing; a second bearing plate for supporting a second bearing hole of a second bearing; and a connection plate fixedly connecting the first bearing plate with the second bearing plate; wherein the first bearing plate and the second bearing plate are spaced in a certain distance. The bearing bracket adopting the structure can more firmly and completely support the other end of a driving shaft by two points in a smaller room and can gain more stable drive; and the lost rotary force can be ignored.

Description

Bearing bracket and the brush of vacuum cleaner actuating unit that adopts this carriage

Technical field

The present invention relates to a kind of bearing bracket, relate in particular to a kind of brush of vacuum cleaner actuating unit and vacuum cleaner thereof that adopts this carriage.

Background technology

The driving method of the rotating brush of existing vacuum cleaner floor-brushing part mainly contains following several kinds:

(1) with same motor driven air exhauster and rotating brush;

(2) the air driven turbine leaf of suction dust comes the driven in rotation brush through the turbine leaf;

(3) use 2 motor driven rotating brushes and air exhauster respectively;

(4) air exhauster is discharged the air driven turbine leaf, make turbine leaf driven in rotation brush rotate again.

Method (1) is that driving-belt is directly connected engine rotation axle and rotating brush; Though transmission efficiency is higher; But because the direct rotation of engine rotation axle, power consumption is also high relatively, so engine capacity is big or the operating efficiency of rotating brush or air exhauster is lower;

Method (2) is to make the air driven turbine leaf that sucks dust, and the load of engine is not very big, but dust collection efficiency is not high, and the suction effect of big grain dust is undesirable.

Method (3) though be the driving of exhausting and rotating brush can be respectively, carry out fully, exist as a lot of problems such as noise or unit price, complicated structure.

Method (4) is that air exhauster is discharged the air driven turbine leaf, thus not loss of engine efficiency, still; This need guide to the air of discharging the guide line of turbine leaf, in the prior art, the way from the air exhauster exhaust outlet to the turbine leaf; Because the loss of the power of discharge air is more, the driving force that rotating brush obtains is not enough, and cleaning efficiency is not high; And the volume of whole floor-brushing part is bigger, and structure is loaded down with trivial details.

And the driving shaft of existing rotating brush actuating unit is supported by bearing, and this bearing is clamped fixing by the bearing support that is fixedly arranged on the base plate.But this installment state is tended to move up during the bearing rotation, and very unstable to the supporting of driving shaft, therefore, the loss of revolving force is bigger, and also obviously descend the service life of the dynamic conductive device of rotating brush.

Summary of the invention

The object of the invention mainly is the problem that exists in the said method (4) in order to solve; A kind of bearing bracket of driving shaft of the rotating brush of fixed bearing more stably actuating unit is provided; This bearing bracket comprises connecting plate, first support plate and the spaced apart certain distance of second support plate of first support plate of first support holes that offers the supporting clutch shaft bearing, second support plate that offers second support holes of supporting second bearing, fixed connection first support plate and second support plate.

The bearing bracket of said structure can obtain more stable transmission with the other end of 2 firmer supporting driving shafts fully in less space, and the revolving force of loss can be ignored.

As further improvement of the present invention, on the connecting plate inwall, be folded with fagging between clutch shaft bearing and second bearing.Fagging can prevent the clutch shaft bearing and second bearing each other near, can obtain more stable transmission.

Further again, described fagging is through punching is bent to form a part of plate downwards to connecting plate.

The vacuum cleaner that the present invention also provides the actuating unit of the brush of vacuum cleaner that adopts above-mentioned bearing bracket and adopted this actuating unit.

Description of drawings

Fig. 1 is the fractionation stereogram according to the floor-brushing part of the steam vacuum cleaner of the embodiment of the invention;

Fig. 2 and Fig. 3 are respectively floor-brushing part shown in Figure 1 and remove behind the backing dish and the stereogram of the front and back after the combination;

Fig. 4 is the bottom isometric view of Fig. 2 and Fig. 3;

Fig. 5 is a view of on the basis of Fig. 4, having removed backing plate;

Fig. 6 is the view after on the basis of Fig. 5 rotating brush partly being split;

Fig. 7 is the profile of up-down support;

Fig. 8 is the rear isometric view after the floor-brushing part combination shown in Figure 1;

Fig. 9 is the bottom isometric view of Fig. 8;

Figure 10 is the longitudinal section after the floor-brushing part combination shown in Figure 8;

Figure 11 is the isometric front view after floor-brushing part shown in Figure 2 is removed dust collecting container;

Figure 12 and Figure 13 are respectively the front and the bottom isometric view of dust collecting container;

Figure 14 and Figure 15 are the fractionation stereogram of dust collecting container;

Figure 16 is the bottom isometric view of last disposal box;

Figure 17 is the isometric front view of following disposal box;

Figure 18 is the vertical view after the dividing plate of following disposal box shown in Figure 17 is opened;

Figure 19 is the cross-sectional view of disposal box down shown in Figure 17;

Figure 20～Figure 22 is the bottom isometric view after floor-brushing part shown in Figure 1 is removed base plate;

Figure 23 is the fractionation stereogram of the rotating actuator of rotating brush;

Figure 24 is the stereogram after the combination of rotating actuator of rotating brush;

Figure 25 is the bottom isometric view of bearing bracket 460;

Figure 26 is the cross-sectional view after floor-brushing part shown in Figure 21 is removed base plate;

Figure 27 and Figure 28 are the stereogram of the front and the bottom surface of separating part 490;

Figure 29 is the enlarged diagram of fixed part 470 positions;

Wherein:

100, floor-brushing part;

110, housing;

120, backing plate; 121, plate; 123, hole; 125, fastener member;

130, base plate; 131, suction nozzle; 133, steam jetting hole; 134, steam diversion lid; 135, through hole; 137, trailing wheel; 138, front-wheel; 139, recess;

140, backing dish; 141, chassis; 142, hole; 143, installation portion; 144, hook; 146, fixed connecting piece; 146a, vertical component; 146b, planar section; 147, the special-purpose wheel of carpet; 148, convexity; 149, teat;

150, loam cake; 151, rotating brush mounting groove; 153, dust collecting part mounting groove; 154, through hole; 155, fixed mount; 157, air exhauster installing space; 158, air intake vent; 159, air outlet;

161, teat; 163, up-down accepting groove; 163b, groove; 163b, groove; 165, anti-drop block;

170, rotating brush; 171, rotating brush bearing support; 173, suck carrier pipe;

180, fixture; 181, supporting lid; 182, groove; 183, switch; 185, spin-block; 187, locking plate;

191, guide groove; 192, bolt shape thing; 193, elevator; 195, compression spring; 197, stator;

200, dust collecting part;

210, following disposal box; 210A, first time dust storage chamber; 210B, second time dust storage chamber; 211, inlet; 212, door; 213, filter installing hole (outlet);

221, anti-delinking part; 225, rocking handle; 226, rotating shaft; 228, protuberance;

230, go up disposal box; 237, groove;

240, sealing ring;

250, filter house; 251, first filter house; 251a, front part; 251b, lower portion; 251c, back of the body wall; 252, through hole; 256, second filter house;

260, dividing plate; 261, air outflow pathway; 262, gim peg; 263, alar part; 265, baffle plate; 267, turning cylinder; 269, locking mechanism; 269a, locking bolt; 269b, groove;

270, plate washer; 270a, the first half baffle plates; 270b, the second half baffle plates;

300, fixed connection apparatus; 310, hinge; 320, hinge;

400, rotating actuator; 410, driving shaft; 411, driving shaft one end; 413, driving shaft the other end; 415, annular groove; 416, annular groove;

430, driving-belt; 431, driving wheel; 433, drive;

440, installation portion;

450, bearing portion; 451, clutch shaft bearing; 452, catch ring; 453, second bearing; 454, catch ring;

460, bearing bracket; 465, space; 466, connecting plate; 467, installing hole; 468, fagging; 469, through hole;

470, fixed part; 471, installation frame; 473, bolt is installed; 473a, installing hole; 475, guide rod; 476, guide rod; 477, groove; 478, groove;

490, separating part; 491a, insertion bolt; 491b, insertion groove; 492, teat; 493, teat; 494a, insertion bolt; 494b, insertion groove; 495, teat; 496, separating part installing rack; 497, teat; 498, cover plate; 499, separating part installing rack;

710, turbine leaf; 711, turbine wheel hub;

800, air exhauster device; 810, air exhauster; 811, air exhauster drive division; 813, impeller portion; 815, heat extraction fan;

830, impeller housing; 831, cylindrical shell; 833, air-breathing guiding shell; 835, exhaust outlet;

850, air exhauster cooling shell; 853, cold air inflow pipe; 855, hot air discharging duct;

860, air-flow demarcation strip.

The specific embodiment

Below in conjunction with the specific embodiment and accompanying drawing the present invention is further specified.

General vacuum cleaner consists essentially of floor-brushing part (also claiming vacuum cleaning portion), main part (being mounted with air exhauster etc.), push rod portion, connecting portion etc.; And steam vacuum cleaner comprises floor-brushing part, main part (being mounted with steam raising plant etc.), push rod portion, connecting portion etc., and wherein main part, push rod portion, connecting portion be all with reference to existing dust catcher, does not add at this and gives unnecessary details.

Fig. 1 is the fractionation stereogram of floor-brushing part of the steam vacuum cleaner of the embodiment of the invention, and Fig. 2 and Fig. 3 have removed the stereogram after backing dish and the assembling for floor-brushing part shown in Figure 1, and Fig. 4 is Fig. 2 and bottom isometric view of having removed the floor-brushing part of backing dish shown in Figure 3.

Like Fig. 1～shown in Figure 4, the floor-brushing part 100 of the steam vacuum cleaner of present embodiment comprises with the lower part basically: cooperated the housing 110 formed, be installed in vacuum cleaning parts in this housing 110, be installed in base plate 130 outer bottoms and can be with respect to the backing plate 120 of base plate 130 up-downs by loam cake 150 and base plate 130.

Like Fig. 1,4, shown in 10; Near the front side of base plate 130 (rotating brush 170) forms suction nozzle 131; Rear side forms steam jetting hole 133, and a plurality of through holes 135 that the steam of ejection is provided with through steam diversion lid 134 from steam jetting hole 133 overflow and soak liner (not shown).Steam jetting hole 133 can adopt structure well-known to those skilled in the art.

The forward edge of base plate 130 preferably is provided with the bumper of being processed by elastic materials such as rubber or plastics, and when cleaning, if the collision wall, bumper at first collides with wall, and plays certain cushioning effect, prevents that housing 110 from being broken, and reduces the machine damage.

Referring to Figure 10, Figure 11, the front of loam cake 150 is provided with the dust collecting part mounting groove 153 that is used to accommodate dust collecting part 200; Referring to Figure 20, the rear end side of loam cake 150 is equipped with air exhauster device 800 again, wherein is provided with the installing space 157 that air exhauster is installed in the loam cake 150.

Referring to Figure 10,11, have through hole 154 on mounting groove 153 front side walls, through hole 154 is communicated with the inlet 211 that sucks carrier pipe 173 and single stage of dust collection case (following disposal box), so, also makes suction nozzle 131 to be communicated with inlet 211.

Wherein, an end that sucks carrier pipe 173 connects rotating brush bearing support 171, and the other end is inserted in through hole 154 and is attached thereto.Rotating brush bearing support 171 is fixedly attached to the rotating brush mounting groove 151 of the front end below setting of loam cake 150.

Shown in figure 10, from front to back, be provided with rotating brush mounting groove 151, dust collecting part mounting groove 153, air exhauster installing space 157 in the loam cake 150.

Adopt said structure, the rotation of rotating brush 170 scrapes the dust on ground, and dust gets into floor-brushing part 100 inside through suction nozzle 131, specifically, through rotating brush bearing support 171, suction carrier pipe 173, through hole 154, inlet 211, gets in the dust collecting part 200.

Form through hole on the front side wall of the rear wall of dust collecting part mounting groove 153 or air exhauster installing hole 157, this through hole makes the air-breathing guiding shell 833 of impeller housing 830 of outlet 213 and air exhauster 810 of dust collecting part 200 be connected.

Shown in figure 20, offer air intake vent 158 that communicates with cold air inflow pipe 853 and the air outlet 159 that communicates with hot air discharging duct 855 on air exhauster installing space 157 rear walls.

In addition, shown in figure 11, dust collecting part mounting groove 153 preferably establish one be used to be fixedly clamped the single stage of dust collection case fixed mount 155.

And the both sides, rear end of loam cake 150 respectively are provided with the hinge 310,320 of a hollow.

Hinge 310,320 parts are positioned at air exhauster installing space 157 and communicate, and rotating between hinge 310,320 and the existing fixed jockey (not shown) is connected.

Can find out by above-mentioned structure; The air of air exhauster device 800 suction makes 710 rotations of turbine leaf; In the suction air exhauster installing space 157, get in the connection housing of fixed connection apparatus through hinge 310,320, the exhaust outlet through main part discharges at last.

Referring to Fig. 1,4, the fastener member 125 that backing plate 120 comprises plate 121, is opened in the hole 123 at plate 121 centers, plate 121 outer bottoms are provided with; The steam diversion lid 134 that is arranged on the base plate 130 stretches out downwards from hole 123, and fastener member 125 is used for the liner attachment (not shown).

Referring to Fig. 5,6,7; The outer bottom of base plate 130 is provided with and is used to install backing plate 120 and for it recess 139 in up-down space is provided; Be fixed with the up-down support that is used to go up and down bearing plate 120 on the recess 139; The up-down support is between backing plate 120 and base plate 130, and backing plate 120 offsets up and down with the up-down support.

So, when on the backing plate 120 during liner attachment, can prevent to scrape off the heavy ash on ground with backing plate 120 to certain distance (thickness of liner) that rises owing to make rotating brush 170 overhead too high after adding liner.

Concrete; The structure of up-down support is like Fig. 6, shown in 7, and it mainly comprises: guide groove 191, the elevator 193 that can move up and down along guide groove 191 that base plate 130 outer bottoms form to upper process, be located at the compression spring 195 between the diapire and elevator 193 in the guide groove 191, be fixedly installed on preventing stator 197 that elevator 193 breaks away from, preventing that backing plate 120 breaks away from the anti-delinking part of base plates 130 of base plate 130 outer bottom upper rails 191 both sides.

Backing plate 120 pastes the lower surface at elevator 193, and the anti-delinking part provides the up-down space of backing plate 120 and prevents it and base plate 130 disengagings, and is as shown in Figure 7; Be provided with bolt shape thing 192 in the guide groove 191; Compression spring 195 is placed in bolt shape thing 192, and is same, also can bolt shape thing be arranged in the elevator 193.

In the lower surface insert plate 121 of elevator 193, can prevent that elevator 193 from horizontally slipping.

Like Fig. 5, shown in 7, the anti-delinking part comprises: the up-down accepting groove 163 that base plate 130 outer bottoms form to upper process, backing plate 120 to upper process and be positioned at up-down accepting groove 163 teat 161, be positioned at the anti-drop block 165 that teat 161 breaks away from from up-down accepting groove 163 that prevents of teat 161 belows.As shown in Figure 5, the up-down accepting groove is provided with the groove 163b and the groove 163a two parts that supply teat 161 to insert that its below is provided with anti-drop block 165 163 interior can being divided into.The projection 161 of backing plate 120 is inserted from groove 163a earlier, projection 161 is pushed in the groove 163b again, offset downwards with anti-drop block 165, thereby backing plate 120 is installed to the outer bottom of base plate 130.

Like Fig. 5, shown in Figure 6, rotating brush 170 is installed on the base plate 130 through two fixtures 180 that are separately positioned on its two ends.

Fixture 180 comprises that supporting cover 181, switch 183, when rotating brush 170 is inserted rotating brush bearing support 171 in after, supporting is covered 181 and is supported and fix its end.Supporting cover 181 inboard shapes and preferably can be combined with the both ends of rotating brush bearing support 171 coupling, supports to cover on 181 the outer wall preferably to offer the groove 182 that can approximately put in a finger, and supporting for convenience detach covers 181.

Switch 183 is illustrated in figure 6 as rotary switch; Base plate 130 is provided with locking plate 187, after fixture 180 is installed to rotating brush 170 ends, rotates its inboard spin-block 185; When spin-block 185 and locking plate 187 offseted up and down, fixture 180 was fixedly installed on the base plate 130; When screwing out from locking plate 187, spin-block 185 breaks away from, and can be with fixture 180 from base plate 130 dismountings.

Fixture 180 makes the dismounting of rotating brush 170 become and is easy to, and uses and becomes convenient.

And; Backing plate 120 following preferably installed dismountable backing dish 140, and it can be used to hold the fastener member 125 that backing plate 120 outer bottoms are provided with, when therefore vacuum cleaning is carried out on the ground of carpet class band hair; Can prevent that fastener member 125 is stained with the hair on the carpet, cleaning work can carry out smoothly.

And the kind of carpet is different, and its staple length is had nothing in common with each other.During staple length, rotating brush 170 is trapped in the hair easily, may cause the work of rotating brush to stop.For preventing this phenomenon, referring to Fig. 1, the special-purpose wheel 147 of two carpets is preferably installed in the place ahead of backing dish 140 regularly.Shown in figure 10, the position of the special-purpose wheel 147 of carpet is minimum, and the trailing wheel 137 on the base plate 130 takes second place, and the minimum point and the rotating brush 170 of the front-wheel 138 on the base plate 130 are the most approaching.Adopt this structure, can prevent that carpet wool matter is long and make rotating brush 170 be embedded in can't to clean in the hair, utilize the pulley 147 with carpet wool matter coupling that rotating brush 170 fill up accordingly highly, rotating brush 170 can be by driving fully sleekly.

Backing dish 140 comprises and is used to block the chassis 141 that isolates fastener member 125, is fixedly installed in the special-purpose wheel of two carpets in both sides, 141 the place ahead, chassis 147, installation portion 143 respectively.

The center on chassis 141 offers the hole 142 that supplies steam diversion lid 134 to stretch out, and preferably be provided with on it can insert fastener member 125 raise up 148, protruding 148 can prevent that chassis 141 from moving forward and backward.Chassis 141 front ends are provided with teat 149, and recess 139 front ends on projection 149 and the base plate 130 offset, or the front end of insertion recess 139 is to prevent the slip on chassis 141.

Offer installing hole on the installation portion 143, loam cake 150 is provided with hook 144, and when backing dish 140 was installed to base plate 130 outer bottoms, hook 144 passed installing hole and catches on installation portion 143.

And the special-purpose wheel of carpet 147 is releasably attached on the chassis 141 through fixed connecting piece 146.

Fixed connecting piece 146 comprises two parts: vertical component 146a that is fixed together with the special-purpose wheel 147 of carpet and the planar section 146b that is fixed together with chassis 141, two parts form.

The special-purpose wheel 147 of carpet can dismounting, changes the special-purpose wheel of the carpet that is fit to the carpet wool appearance.

Like Figure 10, Figure 12～shown in Figure 15, dust collecting part 200 mainly comprises first disposal box (following disposal box), 210 and second disposal box (going up disposal box) 230 that is installed in dust collecting part mounting groove 153 with demountable mode.

Offer and suck carrier pipe 173 inlet communicating 211 on the front side wall of following disposal box 210, offer the filter installing hole 213 (also can weigh up mouth) that supplies filter 250 to insert on the rear wall of last disposal box 230.

Inlet preferably be provided with on 211 one can swing door 212, door 212 was opened because of the air of suction when promptly the structure of this door was preferably bled, when stopping to bleed, 212 close.Adopt this structure, dust can 211 withdraw from from entering the mouth in the time of can preventing not clean.

Shown in figure 14, the filter house of installing in the last disposal box 210 250 is made up of first filter house 251 and second filter house 256.

First filter house 251 is mounted in the gauze filter in the disposal box 230, can at first filter out the bigger dust of some particles, and second filter house 256 can filter again to the little dust that first filter house 251 can't be filled into.

Shown in figure 14, the front part 251a of first filter house 251 and lower portion 251b are arranged to netted, and offer the through hole 252 that supplies second filter house 256 to insert on the back of the body wall 251c.Second filter house 256 inserts and is positioned at first filter house 251 substantially from through hole 252, can reduce on the basis that guarantees dust catching efficiency whole on the volume of disposal box 230.

Preferably, dismountable combination between lower portion 251b and the front part 251a, after be provided with the gim pegs 262 of fixing lower portion 251b above the dividing plate stated 260.

Second filter house, 256 cylindrical shapes, second filter house 256 is communicated with air-breathing guiding shell 833 gas of air exhauster.

Like Figure 10, shown in Figure 14, gas is communicated with between the disposal box up and down, and both combination intersections reach hermetic seal or basic hermetic seal through sealing ring 240, can prevent that the intersection of disposal box leaks gas up and down; When last disposal box 230 fits together with following disposal box 210; 240 pairs of following side faces of going up disposal box 230 of sealing ring seal; Can prevent that like this dust or moisture etc. in the disposal box 230 from seepage taking place; And the installation and removal of sealing ring 240 are very simple, and only need combine it gently with last disposal box 230 or separate.

Especially, adopt the dust collecting container of said structure, last disposal box 230 is main disposal boxes; The top that is arranged on the following disposal box 210 that has air intake 211 is arranged; So when cleaning, last disposal box also plays the effect of dust collecting container loam cake, following disposal box 210 is auxiliary disposal box; Be located at the bottom of disposal box 230 again, so when cleaning, play the effect of the base plate of dust collecting container.

The groove edge that the periphery wall that sealing ring 240 preferably is installed in down disposal box 210 stretches out and forms.

And following disposal box 210 is gone up disposal box 230 through sealing gasket 240 supportings, and disposal box 210 is installed in the dust collecting part mounting groove 153 down, so outside dust catcher, be to see dust collecting part 210 down.

For the convenient dust collecting part 200 of taking out cleans, the two side of last disposal box 230 preferably offers groove 237, can put in a finger in the groove 237 at least.

And following disposal box 210 is provided with can be with the switch portion of the locking that combines between the higher and lower levels of playing disposal box 210 and last disposal box 230, the sealing effectiveness that switch portion can also enhanced leaktightness ring 240, and prevent to take out dust collecting part 200 at present disposal box 210 break away from.

Switch portion mainly comprises following structure, is arranged on down the crank portion and the anti-delinking part 221 that is arranged on disposal box 230 inner peripheral surfaces of disposal box 210.

Described crank portion such as Figure 17～shown in Figure 19 mainly comprise: can be installed in down rotationally disposal box 210 rotating shaft 226, be fixedly mounted on disposal box 210 under the stretching out of rotating shaft 226 lower ends rocking handle 225, be fixedly mounted on the protuberance 228 of rotating shaft 226 upper ends.

Anti-delinking part 221 on the relevant position that is arranged on disposal box 230 inner peripheral surfaces to inner process, can prevent that protuberance 228 is from disengaging down.

Shown in figure 17, when protuberance 228 was positioned at state shown in 228 (a), protuberance 228 was positioned at the inboard, did not offset up and down between itself and the anti-delinking part 221, and disposal box is in demountable state up and down; After disposal box is combined up and down; When swing rocking handle 225 made protuberance 228 be positioned at the state shown in 228 (b), protuberance 228 screwed out, and anti-delinking part 221 is positioned at the below of protuberance 228; Anti-delinking part 221 offsets up and down with protuberance 228, and combining between the higher and lower levels of disposal box is locked up and down.

And following disposal box 210 tops are preferably installed and can be separated the dividing plate 260 of disposal box up and down substantially, can effectively prevent to clean the too much dust of disposal box 210 depositions at present.

Shown in figure 18, following disposal box 210 comprises: the first time dust storage chamber 210A that communicates with inlet 211 of one of which side, second time dust storage chamber 210B of its opposite side.

The position of first time dust storage chamber 210A is darker than second time dust storage chamber 210B, adopts this structure, can find out that first time dust storage chamber 210A comes down to play air flow path and the effect of control of dust slightly; What second time dust storage chamber 210B mainly played is the effect as the base plate of last disposal box 230.

Dividing plate 260 plays the full foreign matter of the collection that prevents first time dust storage chamber 210A, keeps air intake unobstructed, improves the dust suction efficiency.

Particularly; From the mechanics angle; Dividing plate 260 preferably is installed in the middle part, makes both sides form air outflow pathway 261, and 211 inhaled airs overflow from the air outflow pathway 261 that is not blocked by dividing plate of both sides from entering the mouth; Pour into disposal box 230 with bigger pressure, stay dividing plate 260 and second time dust storage chamber 210B so dust just collects as much as possible.

And,, some plate washers 270 are set also preferably in first time dust storage chamber 210A for the dust that better prevents to get in the both sides air outflow pathway 261 returns dust storage chamber 210A again first time.

Baffle plate 270 comprises the first half baffle plate 270a that are arranged on first time dust storage chamber 210A bottom surface, be arranged on the second half baffle plate 270b of first time dust storage chamber 210A upper bottom surface (being dividing plate 260 bottom surfaces); Shown in figure 19; The certain distance that staggers before and after between the first half baffle plate 270a and the second half baffle plate 270b, the first half baffle plate 270a are near inlet 211.Adopt this one in front and one in back, at interval setting one on the other, can effectively prevent dust from air outflow pathway 261 adverse currents, prevent the full dust of dust storage chamber 210A collection first time, guarantee the air outflow pathway 261 in the dust storage chamber 210A first time.

The two ends of the dividing plate 260 upper surfaces projection that makes progress forms alar part 263, and alar part 263 roughly separates second time dust storage chamber 210B and dividing plate 260 upper surfaces, and the dust air-flow that can fall to make the return trip empty goes out path 261 in the time of can preventing to lift dividing plate 260.

In addition, in the air outflow pathway 261, first time dust storage chamber 210A and second time dust storage chamber 210B prevent that at a distance from being provided with baffle plate 265 second time dust storage chamber 210B from falling into dust storage chamber 210A first time.

Dividing plate 260 1 sidepieces can overturn and open, and the turning cylinder 267 that it is provided with through the other side and the extension of two baffle plates 265 are rotationally connected, and turning cylinder 267 is installed on two temporal installing holes that are parallel to each other basically in baffle plate 265 extensions.

Referring to Figure 17,18, preferably be provided with locking mechanism 269 on the sidepiece that can overturn on the dividing plate 260, during cleaning works, locking mechanism 269 can lock dividing plate 260, prevents that air from washing dividing plate 260 open.

Locking mechanism 269 comprises that being opened in the sidepiece that can overturn on first time groove 269b, dividing plate 260 on the dust storage chamber 210A inwall stretches out and form a locking bolt 269a, and when dividing plate 260 closed, the front end spigot of locking bolt 269a snapped in the groove 269b; Locking bolt 269a rear end part has elasticity.

In sum, following disposal box 210 comprises the relative first time more shallow dust storage chamber 210B with the position of first time dust storage chamber 210A that the position is darker relatively; The width of housing 110 depends on the width of rotating brush 170 basically; The degree of depth of dust collecting part mounting groove 153 depends primarily on the degree of depth summation of first time dust storage chamber 210A and last disposal box 230; The degree of depth of second time dust storage chamber 210B can be ignored basically; (do not use the dust collecting part mounting groove of rotating brush to compare, saved the space, and the space of saving replaces dedusting by last disposal box 230 with existing; Housing 110 at the floor-brushing part of equal volume can improve rotating brush 170 sweeping efficiencies and dust inhalation power.

Floor-brushing part is when carrying out cleaning works, and last disposal box 230 is main disposal box, disposal box 210 is auxiliary disposal box down, and dividing plate 260 can effectively prevent to clean the too much dust of disposal box deposition at present; Stop cleaning back when dust collecting container 200 is dismantled cleaning, can prevent up and down that disposal box separates and cause down that the dust of disposal box 210 is scattered.

Like Figure 10, Figure 20～shown in Figure 22, air exhauster device 800 comprises air exhauster 810, impeller housing 830, air exhauster cooling shell 850.

Air exhauster 810 mainly comprises the drive division 811 with heat extraction fan 815, the impeller portion 813 that driven by drive division 811, and air exhauster 810 is installed on air exhauster installing hole 157.

Impeller portion 813 bleeds from the inboard along the pivot direction of principal axis, then to opposite side along cylindrical shell 831 exhausts, adopt this structure can prevent that moisture from immersing the drive division 811 of air exhauster.

Impeller housing 830 comprise wound impeller portion 813 cylindrical shell 831, be positioned at the air-breathing guiding shell 833 that the outlet (filter installing hole) 213 with on being opened in disposal box 230 rear walls of cylindrical shell 831 front ends is communicated with, the exhaust outlet 835 that is positioned at cylindrical shell 831 rear ends.

The passing through its leading section and can be supported on exhaust outlet 835 rotationally of turbine leaf 710, promptly the shell of exhaust outlet 835 becomes turbine leaf 710 rotating shafts, and the gas of discharging from exhaust outlet 835 is directly injected on the turbine leaf 710, drives 710 rotations of turbine leaf.Adopt this structure; Can utilize small space to come mounting support turbine leaf 710, compact conformation the more important thing is on the one hand; The waste gas of pump drainage directly drives turbine leaf 710; 710 rotations of turbine leaf, it can be used as driving mechanism again through 170 rotations of rotating actuator 400 driven in rotation brush, makes full use of the energy of exhaust gas discharged.For obtaining identical sweeping efficiency and dust suction attraction; The energy that adopts the dust catcher of this structure can make full use of the waste gas of air exhauster pump drainage makes rotating brush 170 rotations; Dust catcher is in the past compared; Only need to use small-sized engine to guarantee the attraction of rotating brush 170, for example use the put-put of 700W can reach the pick-up performance of the engine that uses 1000W, perhaps need not use engine to come driven in rotation brush 170.

Like Figure 22～shown in Figure 26, rotating actuator 400 comprises turning cylinder 410, the driving-belt 430 between turning cylinder 410 and rotating brush 170 that is connected with turbine leaf 710 rearward end.

One end 411 of driving shaft 410 is provided with serration (being that end 411 is splined shaft), and end 411 is inserted into turbine leaf 710 wheel hubs 711 (spline) of its inwall and end 411 form fit, is fixed after insert end 411.The other end 413 of driving shaft 410 is semilune, and it is fixing after being inserted in the driving wheel 431.

Driving-belt 430 be enclosed within driving wheel 431 with drive 433 that rotating brush 170 is fixedly connected on, driving-belt 430 is preferably the highest timing belt of rotation transmission efficiency in the driving-belt, if adopt timing belt, driving wheel 431 all is a toothed wheel with drive 433.

One end 411 of driving shaft 410 is fixedly attached to the wheel hub 711 of turbine leaf 710 rearward end, and the other end of driving shaft 410 is come rotatably mounted by support.

Support comprise supporting driving shaft 410 the other end bearing portion 450, be fixedly connected on the fixed part 470 between bearing portion 450 and the loam cake 150, driving shaft 410 rotating being arranged in the bearing portion 450.

Bearing portion 450 comprises the clutch shaft bearing 451 of supporting driving shaft 410 the other end and the bearing bracket 460 of second bearing 453, fixed bearing clutch shaft bearing 451 and second bearing 453, and bearing bracket 460 is fixedly connected with fixed part 470.

Bearing bracket 460 comprise first support holes 461 that offers supporting clutch shaft bearing 451 first support plate 462, offer second support holes 463 of supporting second bearing 453 second support plate 464, be fixedly connected the connecting plate 466 of first support plate 462 and second support plate 464; First support plate 462 and second support plate, 464 spaced apart certain distances form space 465, and bearing bracket 460 can adopt stamping technology one-body molded.

The both sides of connecting plate 466 are provided with the installing hole 467 that is installed together with fixed part 470.

And, be preferably on connecting plate 466 inwalls, folder is established fagging 468 between clutch shaft bearing 451 and second bearing 453.Fagging 468 can prevent the clutch shaft bearing 451 and second bearing 453 each other near.

Fagging 468 is preferably through 466 punchings are bent to form a part of plate downwards to connecting plate, obtains through hole 469 when obtaining fagging 468.

For preventing that clutch shaft bearing 451 and second bearing, 453 court's directions away from each other from moving, and preferably snaps in the annular groove that matches 415,416 that is opened on driving shaft 410 outer walls respectively with corresponding catch ring 452,454.

Bearing bracket 460 is for two bearings that are arranged on driving shaft 410 the other end provide stable supporting.Adopted the bearing portion 450 that comprises two bearings and bearing bracket 460, therefore the other end that can 2 supporting driving shafts 410 in less space can access more stable rotation power and compact conformation.

Shown in figure 29; Fixed part 470 comprises threaded shaft support bracket 460 peripheries and with the installation frame 471 of its fixed-site, the installation bolt 473 that installing hole 467 that can be above-mentioned in the described installation frame 471 is fixedly connected, and installation frame 471 front and back ends offer the groove 477,478 that supplies driving shaft 410 to pass; The inboard of groove 477,478 is provided with guide rod 475,476; During installation, can first support plate 462 and second support plate 464 be inserted downwards along guide rod 475,476, easy for installation.When connecting plate 466 offseted with installation bolt 473, insertion stopped, and installed in the bolt 473 and was provided with corresponding installing hole 473a, can installing hole 467 and installation bolt 473 be fixedly installed togather through technology known in the art such as for example bolt.

In addition; The interior space that needs reservation to accommodate rotating actuator 400 of loam cake 150; So form the space that communicates between air exhauster installing space 157 and the rotating brush bearing support 171; But the work that noise in the time of can causing air exhauster to use like this or exhaust have influence on suction nozzle 131 for preventing this phenomenon, can be installed separating part 490 on fixed part 470.

Both sides shown in figure 29, that the installation frame of fixed part 470 471 is outer are provided with and can insert and the fixing separating part installing rack 499,496 of separating part 490.

Be respectively equipped with insertion groove 491b, 494b on the separating part installing rack 499,496.

The bottom of separating part 490 is provided with respectively insertion bolt 491a, the 494a with the coupling of insertion groove 491b, 494b.

In addition; When inserting bolt 491a insertion insertion groove 491b; Insert bolt 491a both sides and also be provided with the teat 492,493 that can engage with the two side of separating part installing rack 499, same, insert bolt 494a both sides and also be provided with the teat 495,497 that can engage with the two side of separating part installing rack 496.

The centre of the bottom of separating part 490 is provided with the cover plate 498 of the through hole 469 that can seal on the connecting plate 466.

Air exhauster cooling shell 850 preferably is set in outside the air exhauster drive division 810.Shown in figure 20; The outer peripheral face both sides of air exhauster cooling shell 850 are respectively equipped with cold air inflow pipe 853 and hot air discharging duct 855, offer air intake vent 158 that communicates with cold air inflow pipe 853 and the air outlet 159 that communicates with hot air discharging duct 855 on air exhauster installing space 157 rear walls.

Promptly; When the heat extraction fan 815 of air exhauster drive division 810 rotates; Make cool exterior air get into through air intake vent 158 and cold air inflow pipe 853; Cold air is fanned the heat of taking away air exhauster drive division 810 after 815 through heat extraction, and the air after heating outwards discharges through hot air discharging duct 855 and air outlet 159.

Adopt this structure that air exhauster drive division 810 is carried out the flow-type cooling, even reduce the volume of air exhauster 810, its efficient is still very high.

And, shown in figure 10, between air exhauster drive division 810 and the air exhauster cooling shell 850, an air-flow demarcation strip 860 is set preferably again.

Promptly; When cool exterior air flow into air exhauster cooling shell 850, leaked-in air was from a side direction air exhauster drive division 810 internal flows of air-flow demarcation strip, and air pile warp air exhauster drive division 810 flows; Air after heating flows out from the opposite side of air-flow demarcation strip 860; Outwards discharge through hot air discharging duct 855 and air outlet 159 at last, separate the inflow air and flow out air, improve cooling effectiveness.

Whether air exhauster cooling shell 850 preferably adopts transparent material to make, can install by visual inspection air-flow demarcation strip 860.

Present specification introduces the floor-brushing part of steam vacuum cleaner of the present invention, for main part (being mounted with steam raising plant etc.), push rod portion, connecting portion with reference to prior art.

Vacuum cleaner of the present invention is not limited to the above embodiments, and all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (4)

1. bearing bracket; It is characterized in that: this bearing bracket comprises the connecting plate of first support plate of first support holes that offers the supporting clutch shaft bearing, second support plate that offers second support holes of supporting second bearing, fixed connection first support plate and second support plate; First support plate and the spaced apart certain distance of second support plate are on the described connecting plate inwall, be folded with fagging between described clutch shaft bearing and second bearing.

2. bearing bracket according to claim 1 is characterized in that: described fagging is through punching is bent to form a part of plate downwards to connecting plate.

3. adopt as the actuating unit of the brush of vacuum cleaner of any described bearing bracket in the claim 1～2, this device comprises the turbine leaf that can be rotated by the air driven of discharging from the air exhauster exhaust outlet of said dust catcher, is connected the rotating actuator between turbine leaf and the rotating brush;

The leading section of described turbine leaf can be supported on the end of described exhaust outlet rotationally, and rearward end is connected with rotating actuator;

Described rotating actuator comprises the turning cylinder that is connected with described turbine leaf rearward end, the driving-belt between turning cylinder and rotating brush;

Described turning cylinder one end is fixedly attached to turbine leaf rearward end, and the other end of turning cylinder is supported on the support that is fixedly connected with loam cake rotatedly;

Described support comprises the bearing portion of supporting described turning cylinder the other end rotatedly, the fixed part that is fixedly connected bearing portion and loam cake;

Described bearing portion comprises clutch shaft bearing, second bearing, fixed bearing clutch shaft bearing and second bearing and the bearing bracket that is fixedly connected with fixed part.

4. vacuum cleaner that adopts the said rotating brush actuating unit of claim 3.

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