CN1328805A

CN1328805A - Electric vacuum cleaner

Info

Publication number: CN1328805A
Application number: CN 01121075
Authority: CN
Inventors: 小立彻; 加藤公轨; 伊藤幸一
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2000-06-14
Filing date: 2001-06-14
Publication date: 2002-01-02
Anticipated expiration: 2021-06-14
Also published as: CN1547995A; CN1162120C; CN100389714C

Abstract

The invention provides an electric vacuum cleaner. This electric vacuum cleaner is provided with a motor-driven blower, a duct collecting chamber communicated to the intake side of the motor-driven blower, a suction tool for sucking the dust on a surface to be cleaned and an intake passage for communicating the dust collecting chamber and the suction tool and a cord reel is mounted to the outer periphery of the motor-driven blower. The exhaust of the motor-driven blower is inverted by the cord reel. By eliminating the exhaust from the rear part of a main body, leading the exhaust to the front part of the main body and discharging the exhaust from the front part of the main body, the electric vacuum cleaner is minimized.

Description

Electric vacuum cleaner

The present invention relates to the overall structure of electric vacuum cleaner.

(the 1st conventional case)

Figure 22 is the side sectional view of the electric vacuum cleaner of the 1st conventional case.101 is the electric vacuum cleaner body.The connecting portion 105 that is provided with dust storage chamber 103 in the place ahead of electric blowing machine 102 and inhalator 104 is installed in the place ahead of dust storage chamber 103, dust on the swept surface is attracted with outer gas from the air entry (not shown) of inhalator 104, flow into dust storage chamber 103 by connecting portion 105, and in being located at the dust-collecting filter 106 that constitutes by the paper bag filter of dust storage chamber 103 inside, being divided into dust and outer gas, the rear of outer gas arrival electric blowing machine 102 becomes exhaust and blows out.Around electric blowing machine 102, be provided with cord-reel 107, run through cord-reel 107, and emit to the outside from the exhaust outlet 109 that is located at cord-reel 107 rears from the exhaust 108 of electric blowing machine 102.110 is handle.Exhaust 108 towards the rear that user's eyes be can't see is unexpected, and for example exhaust 108 can blow afloat the cigarette ash of the ashtray on the desk etc.Again, at the dust control of dust that will attract by swept surface during, because of with the attraction direction control of dust of dust, so control of dust at the dust skewness of dust storage chamber, causes attraction to reduce sometimes with respect to electric blowing machine at dust storage chamber.

(the 2nd conventional case)

Figure 23 is the top plan view of the electric vacuum cleaner of the 2nd conventional case.Among the figure; 121 is the electric vacuum cleaner body, and it comprises: with dust accumulate in its inner dust storage chamber 122 and dust-collecting filter 123, by attract fan 124 and drive electric blowing machine that the motor 125 of this fan forms, from swept surface sweep the revolution brush 126 of dust and drive the revolution brush drive motor 127 of this brush, transmit to revolution brush 126 power of revolution brush drive motors 127 belt 128 and revolution brush belt pulley 129, turn round and brush bearing 130.Attract fan 124 to drive, make the inside of dust storage chamber 122 become negative pressure state by motor 125.The exhaust 131 of discharging from motor 125 blows to swept surface from the discharge portion 133 that motor 125 is communicated with air entry 132.Thus, the dust on the swept surface blows afloat and breaks away from swept surface to air entry 132 inside.Be provided with two ends in the inside of air entry 132 and can brush free rotating revolution brush 126 on the bearing 130 in the revolution of body of dust collector 121, this revolution brush 126 turns round from the power that turns round brush drive motor 127 by the revolution brush belt pulley 129 and belt 128 transmission that are located at above it.Utilize the revolution of this revolution brush 126, with the dust sucking-off of hiding in swept surface fine hair depths such as flannelette blankets.By the effect of revolution brush 126 and described exhaust 131, will send back to dust storage chamber 122 inside with the air-flow of the air entry 132 that backflows from discharge portion 133 with air entry 132 from the free dust of swept surface.Yet, exhaust 131 is blowed to the path of swept surface and blows to the path of dust storage chamber 122 inside owing to be diverse two paths from the dust that swept surface breaks away from from air entry 132, therefore increased the volume of dust catcher.Again, during at dust storage chamber, dust is that the attraction direction of relative electric blowing machine is carried out control of dust, so the dust skewness of control of dust in dust storage chamber causes attraction to reduce sometimes at the dust control of dust that will attract from swept surface.

Electric vacuum cleaner of the present invention comprises: electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the inhalator that sucks the dust on the swept surface, the air suction way that is communicated with dust storage chamber and inhalator, the cord-reel of being located at the electric blowing machine periphery, be characterized in, the exhaust of flowing in the space that between electric blowing machine and cord-reel, forms and discharging from electric blowing machine, and make discharge directions counter-rotating from electric blowing machine by described cord-reel.Thus, can be from the rear exhaust of body, exhaust is drawn towards the place ahead of body and from the place ahead exhaust of body.In addition, also have and make, exhaust channel and air suction way are arranged in 1 structure together, make it small-sized and aesthetic in appearance from the exhaust gas recirculation of electric blowing machine exhaust channel to inhalator.And because the dust that sucks rotates with swirling eddy in dust collecting part, so dust can not be attached on the dust-collecting filter, and the result can prevent that attraction and dust collecting performance from reducing.

The accompanying drawing simple declaration

Fig. 1 is the electric vacuum cleaner side sectional view of the embodiment of the invention 1.

Fig. 2 is the electric vacuum cleaner side sectional view of another embodiment.

Fig. 3 (a) is the cutaway view of the electric blowing machine portion of above-mentioned electric vacuum cleaner.

Fig. 3 (b) is the cutaway view of the dust storage chamber portion of above-mentioned electric vacuum cleaner.

Fig. 4 is the upward view of the partly cut-away of above-mentioned electric vacuum cleaner.

Fig. 5 is the connecting portion partial sectional view of above-mentioned electric vacuum cleaner.

Fig. 6 is the stereogram of the inhalator partly cut-away of above-mentioned electric vacuum cleaner.

Fig. 7 is the front part stereogram of above-mentioned electric vacuum cleaner.

Fig. 8 is the stereogram of the another state of front part of the above-mentioned electric vacuum cleaner of expression.

Fig. 9 is the electric vacuum cleaner side sectional view of the embodiment of the invention 2.

Figure 10 is the stereogram of the electric vacuum cleaner front part of the embodiment of the invention 3.

Figure 11 is the stereogram of the electric vacuum cleaner front part of the embodiment of the invention 4.

Figure 12 is the electric vacuum cleaner side sectional view of the embodiment of the invention 5.

Figure 13 is A-A line cutaway view of Figure 12.

Figure 14 is the side view of the partly cut-away after the dust storage chamber portion of the electric vacuum cleaner of the embodiment of the invention 5 swings.

Figure 15 is for being provided with the cutaway view of notch part on the housing of above-mentioned electric vacuum cleaner.

Figure 16 is the electric vacuum cleaner side sectional view of the embodiment of the invention 6.

Figure 17 is B-B line cutaway view of Figure 16.

Figure 18 is that the electric vacuum cleaner of the embodiment of the invention 6 is wanted portion's cutaway view.

Figure 19 wants portion's cutaway view for the reversal valve wobbling action of the above-mentioned electric vacuum cleaner of expression.

Figure 20 is the cutaway view of the reversal valve wobbling action that is provided with blade of the above-mentioned electric vacuum cleaner of expression.

Figure 21 is the electric vacuum cleaner cutaway view of the embodiment of the invention 7.

Figure 22 is the side sectional view of the electric vacuum cleaner of the 1st conventional case.

Figure 23 is the top cutaway view of the electric vacuum cleaner of the 2nd conventional case.

(embodiment 1)

Fig. 1 is the electric vacuum cleaner side sectional view of the embodiment of the invention 1, Fig. 2 is the electric vacuum cleaner side sectional view of another embodiment, Fig. 3 (a) is the cutaway view of the electric blowing machine portion of above-mentioned electric vacuum cleaner, Fig. 3 (b) is the cutaway view of the dust storage chamber portion of above-mentioned electric vacuum cleaner, Fig. 4 is the upward view of the partly cut-away of above-mentioned electric vacuum cleaner, Fig. 5 is the connecting portion partial sectional view of above-mentioned electric vacuum cleaner, Fig. 6 is the stereogram of the inhalator partly cut-away of above-mentioned electric vacuum cleaner, Fig. 7 is the front part stereogram of above-mentioned electric vacuum cleaner, Fig. 8 is the stereogram of the another state of front part of the above-mentioned electric vacuum cleaner of expression.Among Fig. 1, the electric blowing machine 2 that produces negative pressure is housed in the inside of body 1.Electric blowing machine 2 has exhaust side 3 and exhaust side 4, and the dust storage chamber 6 with dust-collecting filter 5 is housed at exhaust side 3.Dust storage chamber 6 is communicated with by air suction way 8 with connecting portion 7, and the dust that attracts to come from the inhalator 9 that is contained on the connecting portion 7 flows into dust storage chambers 6 by air suction way 8 inside, is separated into composition of air and dust composition by dust-collecting filter 5.

Dust storage chamber 6 and the bottom that is positioned at dust storage chamber 6 being connected of air suction way 8 flow into the periphery of the air-flow of dust storage chamber 6 around dust-collecting filter 5 for making from air suction way 8, and air suction way 8 roughly is connected along the inner wall shape of dust storage chamber 6 and with dust storage chamber 6.Thus, contain air cycle around dust-collecting filter 5 of dust, dust is blown to dust storage chamber 6 inwalls because of action of centrifugal force, so can reduce to dust-collecting filter 5 adhered dust amounts, restrains the attraction performance degradation that causes because of dust-collecting filter 5 obstructions.In Fig. 1 and Fig. 2, dust storage chamber 6 and the bottom that is positioned at dust storage chamber 6 being connected of air suction way 8, but so long as the perisporium of dust storage chamber 6, and be not limited to the bottom.As shown in Figure 3, body 1 is made up of

electric blowing machine

10 and 11 two parts of dust storage chamber.Near the place ahead root of the handle 12 of electric blowing machine 10, clamp 13 is housed, when holding handle 12, with the thumb described clamp 13 of operation easily.Press described clamp 13, electric blowing machine 10 promptly separates with dust storage chamber portion 11.Therefore, when removing is deposited in the dust of dust storage chamber 6 inside,, just the dust of inside can be poured out as long as take out dust storage chamber portion 11 and arrest dust storage chamber portion 11 and go to dustbin from body 1.That is, unnecessaryly carry very heavy electric blowing machine portion 10 and go on foot and tip rubbish, can alleviate the labour who tips rubbish.Periphery at electric blowing machine 2 is provided with cord-reel 14, effectively utilizes the space of electric blowing machine 2 peripheries.The direction conversion is done in the exhaust 15 of emitting from electric blowing machine 2 by described cord-reel 14 when, effect because of exhaust 15 pressure, the soft body containment member A16 that is located at cord-reel 14 peripheries docks with the inwall of body 1, spills from exhaust channel 17 so can prevent exhaust 15.The bobbin of cord-reel 14 turns round when pulling out with package at electric wire, so do not contact with the inwall of body 1.Containment member A16 is used to fill the gap between bobbin and body 1 inwall.Among Fig. 2, the lid 18 that cover covers electric blowing machine 2 is housed between cord-reel 14 and electric blowing machine 2, does the direction conversion by described lid 18 from the exhaust 15 that electric blowing machine 2 is emitted.The increase air drag member that is inserted with urethane, felt etc. between lid 18 and electric blowing machine 2 is crushing member A19, the exhaust of sending from electric blowing machine 2 15 is near by this crushing member A19, can reduce wind speed and the wind sound that reduces to rub, even produce noise from electric blowing machine 2, because this crushing member A19 can also play the effect of soundproof member, the level of noise that can restrain body 1 significantly.Further obtain crushing by near the exhaust 15 the crushing member A19 arriving the rib A20 that extends from the shell of body 1, add that to increase the air drag member be the effect of crushing member B21, make the wind speed reduction.And, electric blowing machine 2 peripheries adopt the tight structure of electric

blowing machine portion

10 and 11 two parts of dust storage chamber portion, relatively more succinct, and be provided with containment member B22 between the inwall of the body in Fig. 21 and the described lid 18, even, also can reduce the exhaust 15 that urgent compact part spills so apply big crushing.Promptly in electric blowing machine portion 10, added very big crushing in advance, the pressure of the exhaust 15 in the dust storage chamber portion 11 of the place ahead path of exhaust 15 is descended, because of tight face complex structure, air suction way 8 and exhaust channel 17 are contiguous and restrain gas leakage in the dust storage chamber portion 11 that causes gas leakage easily, can reduce the loss of inhalation power.Dust storage chamber portion 11 is made of dust storage chamber 6, dust-collecting filter 5, exhaust channel shell A23 (Fig. 4), exhaust channel shell B24 (Fig. 4), exhaust connecting portion 25, air suction way 8, connecting portion 7 and reversal valve 26.With the form of the coupling part of dust storage chamber 6 reversal valve 26 is installed to embed air suction way 8.Exhaust connecting portion 25 is made of soft body, and electric blowing machine 10 is connected with the exhaust channel 17 mutual air-tightness of dust storage chamber portion 11.In order not hinder the air-flow that flows into dust storage chamber 6 cycles that the dust of attraction is tangled by reversal valve 26, the valve body openings direction of reversal valve 26 adopts the structure to the airflow direction opening.In order to make reversal valve when being subjected to loading, also can not fall into air suction way 8 sides, form dust and flow backwards to

air suction way

8,26 of reversal valves are to dust storage chamber 6 side openings.The periphery of air suction way 8 and the space that is surrounded by exhaust channel shell A23, exhaust channel shell B24 and dust storage chamber 6 become exhaust channel 17.Air suction way 8 adopts by exhaust channel shell A23, exhaust channel shell B24 and is located at the structure that the maintaining part in the dust storage chamber 6 keeps.Because air suction way 8 and exhaust channel shell A23, exhaust channel shell B24 adopt transparent component to form, so confirm from the outside easily when being stopped up by dust in the air suction way 8.Though exhaust 15 flows into exhaust channel 17 from the exhaust connecting portion 25 that is located in the electric blowing machine portion 10, but owing to applied crushing in electric blowing machine portion 10 inside, therefore wind speed and the blast of having restrained exhaust, seldom have spilling of exhaust 15 from exhaust connecting portion 25.As shown in Figure 4, be provided with the rib B27 of many mutual dislocation in the inside of exhaust channel 17 and make the indentation that flows to of exhaust 15, the exhaust channel 17 that can extend is so can make the operation sound of electric vacuum cleaner littler.Fig. 3 (a) expression is with the state of electric blowing machine portion 10 as air blast.When electric blowing machine portion 10 is only used in 11 taking-ups of dust storage chamber portion,, therefore can make it play a part cleaning as the blowing air blast owing to blow out exhaust 15 from exhaust connecting portion 25.Specifically, the sand that door is blown afloat, amass the pollen on the foliage plant leaf and the dust effect that blows afloat very big.The top of electric blowing machine portion 10 be electric blowing machine 2 near be provided with handle 12, at the state of dust storage chamber portion 11 and inhalator 9 being loaded onto back grip hand 12 promptly under the use state, body 1 turns forward, position of centre of gravity is adjusted to inhalator 9 and swept surface horizontal state, need not apply tilting force to body 1 during use, can carry out cleaning work easily.As shown in Figure 5, at connecting portion 7 places air suction way 8 and exhaust channel 17 are arranged in the dual cylinder pipe together.Inboard pipe becomes air suction way 8, and the space that is separated by the pipe in the pipe of inboard and the outside becomes exhaust channel 17.Equally, the tube connector 28 of inhalator 9 also is dual cylinder pipe, and the inboard identical with connecting portion 7 becomes air suction way 8, and the outside becomes exhaust channel 17.The outside tube of connecting portion 7 and tube connector 28 by tube connector 28 is located at the inboard carry out taper chimeric, utilize the chimeric chimeric intensity that is keeping connecting portion 7 and tube connector 28 of this taper.Under the state that inhalator 9 is installed on the connecting portion 7, the exhaust channel sectional area of setting this part for is less than the air suction way sectional area.The inboard pipe of connecting portion 7 and the inboard pipe of tube connector 28 be inboard pipe with tube connector 28 as the inboard, carry out chimeric with the gap of about 0.2mm.As shown in Figure 6, inhalator 9 is made of tube connector 28 and suction inlet portion 29.Tube connector 28 swing is installed in the suction inlet portion 29 freely, with position shown in Figure 7 as state usually, but left-right rotation 90 spend, form state shown in Figure 8.Common state and shown in Figure 8 about under the 90 degree turn states.Be provided with fixing rotating revolution fixed mechanism.Like this, even the low position of equal altitudes below narrow and small position and the cabinet for television set also is easy to cleaning by inhalator is turn 90 degrees for 9 times.In Fig. 7, on the suction inlet portion 29 of inhalator 9, be provided with exhaust outlet 30, a part that flows into the exhaust 15 of suction inlet portions 29 from body 1 by exhaust channel 17, connecting portion 7, tube connector 28 is emitted to the outside from described exhaust outlet 30.Like this, the phenomenon that dispels with regard to the dust that will not be about to be blown into with can not producing accident.In the present embodiment, exhaust 15 is emitted to the side of inhalator 9 from the exhaust outlet 30 that is located on the inhalator 9, but exhaust 15 also can or tiltedly be gone up the place ahead or to the oblique side top of inhalator 9 or to the rear of inhalator 9 or tiltedly go up the rear and emit to the top of inhalator 9.Again, when being provided with a plurality of exhaust outlet 30, the capacity of the exhaust outlet 30 at least 1 position should be different with the amount of other exhaust outlet, for example, when the user is the right hand, because of control body 1 with the right hand, by reducing exhaust 15 from the body left side, so can reduce the amount of the exhaust 15 that blows to user's side, can more clean and cleaning easily.As shown in Figure 6, the residue exhaust 15 of not emitting from exhaust outlet 30 blows out to air entry 32 from the steam vent 31 that is located on the two ends, suction inlet portion 29 the inside.Like this, utilize the power of exhaust 15 that the dust on the swept surface is blown afloat to air entry 32, not only can utilize attraction, also can utilize the power of exhaust 15, and only compare, can improve dust collecting performance with the occasion of attraction control of dust.But if will make all exhausts 15 be recycled to air entry 32, then the heat that produces because of electric blowing machine 2 rises the temperature of electric blowing machine 2, shorten the service life of electric blowing machine 2 sometimes or make body 1 distortion, therefore a part of exhaust 15 must be emitted to the outside from air entry 30 with heat, exhaust 15 is a gross exhaust gas 20～40% from described electric blowing machine 2 to the internal circulating load of electric blowing machine 2 circulations.Again, because of the input electric power of electric blowing machine 2 is 200 ± 50W, so even the exhaust cycle formula also can make the caloric value of electric blowing machine 2 very little, and can obtain required sufficient attraction.In addition, dust storage chamber 6 adopts transparent and prevents charged material processed, and the volume of available Visual Confirmation dust is so can hold the period of removing dust easily, can not appear at the state that dust adheres to, stops up dust-collecting filter 5, promptly under the very little state of attraction, still continue to use.When attracting dust,, therefore, common joyless cleaning work is become clean like a cork as recreation owing to can see the situation of inner dust cycle clearly.Present embodiment is to be example with the portable dust catcher, but is not limited thereto, and can be used for all dust catchers of floor moving vacuum cleaner etc.

(embodiment 2)

Fig. 9 is the electric vacuum cleaner overall structure cutaway view of the embodiment of the invention 2.The member identical with embodiment 1 indicates prosign and omits explanation.In Fig. 9, the exhaust 15 of discharging from electric blowing machine 3 flows to the rear of cord-reel 14 by the inside of cord-reel 14, and handle 12 inside that are provided with electric blowing machine 2 by the top flow to the place ahead of body 1 again.Flow into the upside arrival connecting portion 7 of the exhaust 15 of dust storage chamber portion 11 by dust storage chamber 6.Because of above electric blowing machine 2, being provided with exhaust channel 17, so during the dust removing lodges in dust storage chamber 6 in, the handle in the time of exhaust channel 17 can being used as dust storage chamber 11 and carrying.

(embodiment 3)

Figure 10 is the stereogram of the electric vacuum cleaner front part of the embodiment of the invention 3.The member identical with previous embodiment indicates prosign and omits explanation.In Figure 10, on the connecting portion 7 of inhalator 9, be provided with exhaust outlet 30, the phenomenon that the dust that will not be about to be blown into dispels with can not producing accident.If will make all exhausts 15 be recycled to air entry 32, then the heat that produces because of electric blowing machine 2 rises the temperature of electric blowing machine 2, shorten the service life of electric blowing machine 2 sometimes or make body 1 distortion, therefore a part of exhaust 15 must be emitted to the outside from air entry 30 with heat.Present embodiment is the structure that exhaust 15 is emitted to the side of connecting portion 7 from the exhaust outlet 30 that is located on the inhalator 9, but exhaust 15 also can or tiltedly be gone up the place ahead or to the oblique side top of connecting portion 7 or to the rear of connecting portion 7 or tiltedly go up the rear and emit to the top of connecting portion 7.Again, when being provided with a plurality of exhaust outlet 30, the capacity of the exhaust outlet 30 at least 1 position should be different with the amount of other exhaust outlet, for example, when the user is the right hand, because of control body 1 with the right hand, by reducing exhaust 15 from the body left side, so can reduce the amount of the exhaust 15 that blows to user's side, can more clean and cleaning easily.

(embodiment 4)

Figure 11 is the stereogram of the electric vacuum cleaner front part of the embodiment of the invention 4.The member identical with previous embodiment indicates prosign and omits explanation.Near the connecting portion 7 in body the place ahead, be provided with exhaust outlet 30, the phenomenon that the dust that will not be about to be blown into dispels with can not producing accident.If will make all exhausts 15 be recycled to air entry 32, then the heat that produces because of electric blowing machine 2 rises the temperature of electric blowing machine 2, shorten the service life of electric blowing machine 2 sometimes or make body 1 distortion, therefore a part of exhaust 15 must be emitted to the outside from air entry 30 with heat.Present embodiment is the structure that exhaust 15 is emitted to the side of body 1 from the exhaust outlet 30 that is located at body 1 the place ahead, but exhaust 15 also can or tiltedly be gone up the place ahead or to the oblique side top of body 1 or to the rear of body 1 or tiltedly go up the rear and emit to the top of body 1.Again, when being provided with a plurality of exhaust outlet 30, the capacity of the exhaust outlet 30 at least 1 position should be different with the amount of other exhaust outlet, for example, when the user is the right hand, because of control body 1 with the right hand, by reducing exhaust 15 from the body left side, so can reduce the amount of the exhaust 15 that blows to user's side, can more clean and cleaning easily.

(embodiment 5)

Figure 12 for the electric vacuum cleaner side sectional view of the embodiment of the invention 5, Figure 13 for A-A line cutaway view of Figure 12, Figure 14 for the side view of the partly cut-away after rotating of the dust storage chamber portion of above-mentioned electric vacuum cleaner, Figure 15 on the housing of above-mentioned electric vacuum cleaner, being provided with the cutaway view of notch part.Body is made of electric blowing machine portion and dust storage chamber portion.The electric blowing machine 51 that produces attraction is housed in the electric blowing machine portion 50, is depositing cord-reel 52 in the periphery of electric blowing machine 51.Handle 53 is formed at the top at electric blowing machine 50, holds this handle 53 and can mention body of dust collector.Be provided with dust storage chamber portion 54 in the place ahead of electric blowing machine 50, the inhalator 56 with suction inlet portion 55 be set in the place ahead of dust storage chamber portion 54.Inhalator 56 can be adorned to take off freely and be connected with the connector 57 that is located at dust storage chamber portion 54 the place aheads, and the dual pipeline that connector 57 is made up of roughly large-diameter portion 58 cylindraceous and minor diameter part 59 forms.Dust storage chamber portion 54 is used for the control of dust from the dust of inhalator 56, constitute by cup-shaped dust storage chamber 61 that is located at air-breathing oral area 60 and the dust-collecting filter 62 that prevents the dust intrusion, when the outer circumferential side of cup-shaped dust storage chamber 61 is in the air suction way 63 that maintenance is made up of suction line, be equipped with the housing 65 that forms exhaust channel 64.Housing 65 by about two members form, (not shown) method is fixed on the dust storage chamber 61 with Screw and claw be chimeric etc.The dust that flows into dust storage chamber 61 from air suction way 63 flows on one side along the inner peripheral surface cycle on one side of dust storage chamber 61, utilizes centrifugal force to make dust be attached to dust-collecting filter 62 sides.Particularly when horizontal,,, also the dust that accumulates to a certain degree can be stirred, can restrain the reduction of intake function with attracting action to produce under the effect of cycle stream though make dust rest on the inner peripheral surface below of dust storage chamber 61 easily in dust storage chamber portion 54.Again, air suction way 63 is configured in the top width central portion of dust storage chamber 61.The air suction way 63 control of dust dust storage chambers 61 of suction inlet portion 55 inhaled airs from inhalator 56 by being communicated with the minor diameter part 59 of connector 57, and, pass through the downside of electric blowing machine 51 from the exhaust wind of electric blowing machine 51, the width central portion is communicated with the exhaust channel 64 that forms on housing 65 below dust storage chamber 61, once more between large-diameter portion 58 by connector 57 and the minor diameter part 59 and turn back to inhalator 56.The effect of said structure is as follows.By air suction way 63 being arranged on the top width central portion of cylindric dust storage chamber 61, and exhaust channel 64 is arranged on the following width central portion of dust storage chamber 61, can reduce the space, realize miniaturization, again because air-breathing oral area 60 is positioned at the upside of dust storage chamber 61, therefore can rely on deadweight that dust is moved below dust storage chamber 61, prevent that the dust in the air-breathing oral area 60 from stopping up.As shown in figure 14, electric blowing machine portion 50 and dust storage chamber portion 54 adopt separable structure.Embed in the concavity guide portion 66 of electric blowing machine portion 50 belows by the fin on the housing 65 that will be located at dust storage chamber portion 54 67, dust storage chamber portion 54 can be fixed in the clamp 68 that is located at electric blowing machine portion 50 tops.Thus, combination or separation easily.The housing 65 that the covering air suction way 63 that is arranged on the top width central portion of dust storage chamber 61 is formed is as handle portion 69, available portable dust storage chamber 54 conveyances.Because of the housing that cover can be covered air suction way 63 with effect portable the handle 29 of dust storage chamber 54 conveyances, so can effectively utilize housing 65 to go out,, so can improve operation again because available portable dust storage chamber 54 conveyances.In Figure 15, be arranged on the housing 65 that the covering air suction way 63 of the top width central portion of dust storage chamber 61 forms and be provided with notch 70, the air suction way 63 that will expose from this notch 70 is as handle 29, available portable dust storage chamber 54 conveyances.Since can will cover the air suction way 63 that forms notch 70 on the housing 65 of air suction way 63 and stretch out from this notch 70 handle 29 as portable conveyance, therefore, further miniaturization and lightweight.

(embodiment 6)

Below, in conjunction with Figure 16 to Figure 20 embodiments of the invention 6 are described.Figure 16 changes partial enlarged drawing that swing do for partial enlarged drawing, Figure 20 of the reversal valve rotational action of the above-mentioned electric vacuum cleaner of expression for the reversal valve that is provided with blade of the electric vacuum cleaner of expression the 2nd embodiment for electric vacuum cleaner partial enlarged drawing, Figure 19 of the embodiment of the invention 6 for B-B line cutaway view, Figure 18 of Figure 16 for electric vacuum cleaner side sectional view, Figure 17 of the embodiment of the invention 6.The member identical with embodiment 5 indicates prosign and omits explanation.Be made of cup-shaped dust storage chamber 61 that is located at air-breathing oral area 60 and the dust-collecting filter 62 that prevents the dust intrusion, the width central portion is provided with air suction way 63 below cup-shaped dust storage chamber 61.This air suction way 63 is covered by the member of housing 65, and fixes with dust storage chamber 61 with methods (not shown) such as Screw, claw are chimeric.Owing between the inner face of the periphery of air suction way 63 and housing 65, form exhaust channel 64, therefore can reduce the size of body height direction, realize miniaturization, the raising aesthetic appearance.In Figure 16 and Figure 17, be formed on the air-breathing oral area 60 and the air entry connecting portion 75 between the air suction way 63 of dust storage chamber 61, will with from the part of the housing 65 of the covering air suction way 63 of the air intake 75a subtend of this exhaust outlet connecting portion 75 as curved shape 76, be provided with the protuberance 77 that stretches out to the below of electric blowing machine portion 50.Like this, air entry connecting portion 75 places between air-breathing oral area 60 and air suction way 63 can increase the wind path area in the air suction way 63, reduce the wind path resistance, and, in air entry connecting portion situation very bad time,, also easily remove because of the big and available hand of wind path area even dust stops up.In Figure 17, be provided with the reversal valve 71 that forms by elastic component between air-breathing oral area 60 that forms at dust storage chamber 61 places and the air suction way 63.The oscillation center 71a of this reversal valve 71 is located at the end of the interior Zhou Fangxiang of dust storage chamber 61, is starting point with this oscillation center 71a, and reversal valve 71 opens and closes to the interior Zhou Fangxiang of dust storage chamber 61 as shown by arrows.Like this, can promote the flow velocity of air in interior all cycles of dust storage chamber 61, the performance action of centrifugal force is removed the dust that is attached on the filter etc., improves dust collecting performance.Because air entry connecting portion 75 places between air entry 60 and air suction way 63 are provided with par 78, therefore, can carry out planar design to the air-breathing oral area 60 that forms on the annex of reversal valve 71 grades, the dust storage chamber 61 and the end of air suction way 63, also can be easily and the low-cost metal die that designs.In Figure 17 and Figure 18, between air-breathing oral area 60 and air suction way 63, be provided with the reversal valve of forming by elastic component 71.This reversal valve 71 is pressed between the air-breathing oral area 60 that is entrenched in dust storage chamber 61 and the air suction way 63 fixing.Thus, even body of dust collector is moved to any direction, also can prevent laying dust or clogging in the air suction way 63.In Figure 18, between the suction inlet portion 55 of inhalator 56 and air suction way 63 that the minor diameter part 59 of connector 57 is communicated with, be provided with the reversal valve 71 by elastic component formed that prevent dust from spilling chimeric with minor diameter part 59 inner faces.Like this, even body of dust collector moves to any direction, also can prevent to spill dust from the suction inlet portion 55 of inhalator 56.Again owing in constituting the member of dust storage chamber 54, adopted charged preventor in the material of dust storage chamber 61 grades, therefore, can prevent that air from causing dust to adhere to because of friction causes electrostatic charging when interior all cycle of dust storage chamber 54.And dust storage chamber 61 materials such as grade that constitute dust storage chamber portion 54 have adopted transparent material, so can see the amount that sucks dust in the dust storage chamber portion 54 clearly, improve the convenience of using.Owing to the inner face at dust storage chamber 61 cylindraceous is provided with par 78, therefore, stop again, because the effect of gravity makes dust accumulate in par 78, so be convenient to remove the operation of dust as electric blowing machine 51.In Figure 19, be provided with the reversal valve 71 that forms by elastic component between air-breathing oral area 60 that forms at dust storage chamber 61 places and the air suction way 63.The oscillation center 71a of this reversal valve 71 is located at an end of the vertical direction in week in the relative dust storage chamber 61, and it is that starting point all vertical direction in the relative dust storage chamber 61 of arrow open and close that reversal valve 71 forms with this oscillation center 71a.Control of dust volumes in the dust storage chamber 61 are equivalent to arrive usually the L of air-breathing oral area 60 ends, but add and the distance of L1 increase control of dust volume on can the part of all vertical direction switchings in dust storage chamber 61 relatively.In Figure 20, be provided with reversal valve 71 between the air-breathing oral area 60 that forms at dust storage chamber 61 places and the air suction way 63 that the minor diameter part 59 of connector 57 is communicated with.The shape of this reversal valve 71 has a plurality of blades 73 of being made up of elastic component on cylindric fulcrum, the two ends swing of cylindric fulcrum 72 is bearing on the wall 74 of dust storage chamber 61 formation freely.The attraction swing that reversal valve 71 relies on electric blowing machines 51 freely, and the front end of this blade 73 is arranged on the position of docking with dust-collecting filter 62 in the dust storage chamber portion 54.Rely on the attraction of electric blowing machine 51 to make blade 73 swings of reversal valve 71 on one side, Yi Bian pat dust-collecting filter 62, can will remove, and prevent from the obstruction of dust-collecting filter 62 to improve dust collecting performance attached to the dust on the dust-collecting filter 62.In addition, this blade 73 also might not be provided with.

(embodiment 7)

Figure 21 is the electric vacuum cleaner cutaway view of the embodiment of the invention 7.The member identical with embodiment 5 indicates prosign and omits explanation.Among Figure 21, below cylindric dust storage chamber 61, be provided with the dust dust trapping chamber 80 that inner face forms recess 79.The effect of said structure is as follows.Air is because of the interior all cycles at dust storage chamber 61, so the first-class heavy dust of gravelstone rests on dust dust trapping chamber 80, little dust is in interior all cycles of dust storage chamber 61, thus, not only can restrain the first-class noise that in cycle, produces of gravelstone, and can prevent to damage in the dust storage chamber 61.

Claims

1. electric vacuum cleaner, comprise: electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the inhalator that sucks the dust on the swept surface, the air suction way that is communicated with dust storage chamber and inhalator, be located at the cord-reel of described electric blowing machine periphery, it is characterized in that, in the space that between the periphery of described electric blowing machine and cord-reel, forms, the exhaust of flowing and discharging from described electric blowing machine.

2. electric vacuum cleaner as claimed in claim 1 is characterized in that, is provided with soft body on cord-reel, utilizes the pressure of exhaust to make the inwall butt of described soft body and body.

3. electric vacuum cleaner, comprise: electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the inhalator that sucks the dust on the swept surface, the air suction way that is communicated with dust storage chamber and inhalator, on described electric blowing machine periphery, be provided with cord-reel, it is characterized in that, between described electric blowing machine and described cord-reel, be provided with the lid of the exhaust side that covers described electric blowing machine, make the exhaust counter-rotating of described electric blowing machine by described lid.

4. as claim 1 or 3 described electric vacuum cleaners, it is characterized in that at least a portion of the exhaust of electric blowing machine is backflowed to inhalator.

5. electric vacuum cleaner, comprise: electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the inhalator that sucks the dust on the swept surface, the air suction way that is communicated with dust storage chamber and inhalator, it is characterized in that, as the exhaust channel of described electric blowing machine, at least a portion of exhaust is backflowed to inhalator the inside of handle that is arranged on described electric blowing machine top.

6. electric vacuum cleaner, it is characterized in that, be provided with built-in electric blowing machine electric blowing machine portion and with described electric blowing machine portion loading and unloading freely and have a dust storage chamber portion of dust storage chamber, emit the exhaust of described electric blowing machine from the place ahead of described electric blowing machine portion.

7. an electric vacuum cleaner is characterized in that, is provided with the exhaust channel of the exhaust of electric blowing machine and the described electric blowing machine of guiding, has many ribs that stagger in the position in described exhaust channel, and exhaust forms zigzag and flows to.

8. electric vacuum cleaner, it is characterized in that, be provided with the inhalator that electric blowing machine and suction side that makes described electric blowing machine and exhaust side are communicated with respectively, will emit from the outside gas of exhaust outlet that is located on the described inhalator from least a portion of the exhaust of described electric blowing machine.

9. an electric vacuum cleaner is characterized in that, will be from the exhaust of electric blowing machine from the exhaust outlet that is located at body the place ahead to the body top, tiltedly go up the place ahead, side or tiltedly go up the side and emit.

10. electric vacuum cleaner, comprise: electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the inhalator that sucks the dust on the swept surface, the air suction way that is connected and described dust storage chamber is communicated with described inhalator with the perisporium of described dust storage chamber, at least a portion of the exhaust that is produced by described electric blowing machine is backflowed to inhalator, it is characterized in that, in electric dust collector, be provided with the exhaust channel and the described air suction way that pass through from the exhaust of described electric blowing machine generation simultaneously.

11. electric vacuum cleaner as claimed in claim 10 is characterized in that, is provided with air suction way in exhaust channel.

12., it is characterized in that at least a portion of air suction way is a transparent component as claim 10 or 11 described electric vacuum cleaners.

13., it is characterized in that at least a portion of suction and discharge path, the sectional area of exhaust channel is less than the sectional area of air suction way as claim 10 or 11 described electric vacuum cleaners.

14. as claim 10 or 11 described electric vacuum cleaners, it is characterized in that, the connecting portion that inhalator, inhalator are connected with body is as the dual structure that is provided with inside tube in outboard tube, as air suction way, the part that outboard tube and inside tube are separated is as exhaust channel with described inside tube.

15. electric vacuum cleaner, it is characterized in that, comprise: the backflow exhaust channel of described inhalator of electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the exhaust wind that sucks inhalator, the air suction way that is communicated with dust storage chamber and inhalator of the dust on the swept surface and make described electric blowing machine, above described electric blowing machine, be provided with described air suction way, and below described air entry, be provided with described exhaust channel.

16. electric vacuum cleaner, it is characterized in that, comprise: the backflow exhaust channel of described inhalator of electric blowing machine, the dust storage chamber that is communicated with the suction side of electric blowing machine, the exhaust wind that sucks inhalator, the air suction way that is communicated with dust storage chamber and inhalator of the dust on the swept surface and make described electric blowing machine, above described electric blowing machine, be provided with described air suction way, and have a housing that covers described air suction way, with between described housing and the described air suction way as exhaust channel.

17. as claim 15 or 16 described electric vacuum cleaners, it is characterized in that, be provided with the rotatable blade freely that forms by elastic component at the air entry connecting portion place of air entry and air suction way, and be provided with the reversal valve of the interior dust-collecting filter butt of the front end that makes described blade and described dust storage chamber.

18., it is characterized in that dust storage chamber is formed by the material that contains charged preventor as claim 15 or 16 described electric vacuum cleaners.

19., it is characterized in that as claim 15 or 16 described electric vacuum cleaners, below the inner face of dust storage chamber, be provided with the par, on described par, locate to be provided with the air entry connecting portion of described dust storage chamber and air suction way.