Detailed description of the invention
About the preferred embodiment of the present invention, be described with reference to accompanying drawing.It should be noted that, the embodiment below illustrated does not limit the content of the present invention recorded in claims.And the structure below illustrated may not be all necessary important document of the present invention.
[embodiment 1]
Fig. 1 ~ Figure 23 illustrates embodiment 1.1 is cyclone type electric vacuum cleaner.This electric dust collector 1 possesses main body of dust collector 2, the dust collecting container 3 installed freely in the anterior dismounting of this main body of dust collector 2, the filter assembly 4 that this dust collecting container 3 can be installed removably, the adapter 17 installed freely in the rear portion dismounting of described main body of dust collector 2.It should be noted that, described filter assembly 4 is installed by bayonet socket combination relative to described dust collecting container 3, and described adapter 17 is installed by bayonet socket combination relative to described main body of dust collector 2.
Described main body of dust collector 2 has: the housing 6 being built-in with electric blower 5; Handle part 7; Mains cord 8.And, be provided with operating portion 9 for dust collecting container described in dismounting 3 and switching manipulation portion 10 at described handle part 7.Further, by operating this switching manipulation portion 10, described electric blower 5 is driven.
Described dust collecting container 3 be formed as one end (rear end) open wide and the other end (front end) inaccessible have bottom tube-like, possess integratedly general cylindrical shape surrounding wall portion 11 and by the front face 12 of the front side obturation of this surrounding wall portion 11.It should be noted that, above-mentioned surrounding wall portion 11 and front face 12 are by comparing hard and having the synthetic resin of light transmission and one-body molded.And, the decorative panel 13 with light transmission is installed at described front face 12.
The introduction part 14 being formed and imported along the circumference of described surrounding wall portion 11 by air-flow is communicated with at the rear side of described surrounding wall portion 11, be connected with in this introduction part 14 the connecting cylinder portion 15 that inside is provided with attraction road warp, and this connecting cylinder portion 15 is fixed on the periphery of described surrounding wall portion 11.And the front side portion 15A in described connecting cylinder portion 15 is towards fore-and-aft direction, and the rear lateral portion 15B in described connecting cylinder portion 15 is towards the circumference of described dust collecting container 3.And, be formed with the air entry 100 attracting air and dust in the front end in described connecting cylinder portion 15, at this air entry 100 so that the mode of dismounting the floor mouth 16 of roughly T-shaped can be provided with.It should be noted that, as shown in Figure 20 ~ Figure 23, be formed on the downside of the front in described connecting cylinder portion 15 by the lower front 15C cutting off such shape obliquely, like this, when using when not installing described floor mouth 16, easily attracting dust etc.
Described filter assembly 4 possesses cylindrical body 21 and inner filtration body 22.Described cylindrical body 21 is formed as one end (rear end) and opens wide and the inaccessible bottomed cylindrical of the other end (front end), and integrally possess general cylindrical shape surrounding wall portion 23, by the front face 24 of the front side obturation of this surrounding wall portion 23, the return 25 that arranges in the front side of described surrounding wall portion 23.It should be noted that, above-mentioned surrounding wall portion 23, front face 24 and return 25 are by comparing the synthetic resin of hard and one-body molded.Further, the mode that the surrounding wall portion 23 of described cylindrical body 21 and the surrounding wall portion 11 of described dust collecting container 3 slightly reduce with the diameter towards front side is formed.And, be equipped with multiple multiple aperture 23H played a role as filter in the surrounding wall portion 23 of described cylindrical body 21.
In addition, described return 25 is by from described surrounding wall portion 23 is continuous, diameter becomes large wide diameter portion 25A gradually and form from the short cylinder portion 25B that this wide diameter portion 25A is formed continuously.And; in described dust collecting container 3; when installing described filter assembly 4 to this dust collecting container 3, become dust reservoir 26 from the space of place to the front face 12 of described dust collecting container 3 residing for the front end (front end) of the short cylinder portion 25B of described return 25.
And, the expansion end difference 28 expanded its opening edge 27 is set in described surrounding wall portion 23, is formed in the mode of the rear side of this expansion end difference 28 one-level larger than front side.Further, at the inner surface of described opening edge 27, multiple bayonet socket projection 29 is along the circumferential direction equally spaced provided with.It should be noted that, in this example embodiment, be provided with 4 bayonet socket projections 29.
Described inner filtration body 22 possesses: the filter body 31 of the tubular be made up of non-woven fabrics etc.; By the cap 32 of the front opening obturation of this filter body 31; At the installation portion 33 of the ring-type that the rear portion of described filter body 31 is wholely set.It should be noted that, described filter body 31 is in the accordion being alternately formed with valley and mountain portion, and described cap 32 and installation portion 33 are made up of the synthetic resin comparing hard.
Described installation portion 33 the front side of lip portions 34 be arranged in the prominent part of shorter before outer cylindrical portion 35S and front inner cylinder portion 35U, between above-mentioned front outer cylindrical portion 35S and front inner cylinder portion 35U, fix the rear portion of described filter body 31 by bond etc.It should be noted that, described front outer cylindrical portion 35S and front inner cylinder portion 35U is arranged in coaxial with described lip portions 34 respectively.Further, in described front inner cylinder portion 35U, be provided with the connecting hole 36 be connected with suction cylinder portion 64 described later.
In the periphery of described front outer cylindrical portion 35S, be provided with bayonet socket groove 37 accordingly with described bayonet socket projection 29.This bayonet socket groove 37 has at the groove entrance 37A of the leading edge place opening of described front outer cylindrical portion 35S and is communicated with this groove entrance 37A and the fastening groove portion 37B extended in a circumferential direction along the periphery of described front outer cylindrical portion 35S.
And, described cylindrical body 21 is made to be covered in described filter body 31, described bayonet socket projection 29 inserted to described groove entrance 37A, described cylindrical body 21 is rotated in the extended direction along described fastening groove portion 37B, thus described bayonet socket projection 29 is locked to described fastening groove portion 37B.Thus, described inner filtration body 22 is combined with described cylindrical body 21.
It should be noted that, described cylindrical body 21, under front side, being fixed by rotating clockwise relative to described inner filtration body 22, can dismantling by rotating counterclockwise.Like this, bayonet socket combines and refers to so-called " plug " and " torsion " is combined and can carry out the combined structure of the coupled/separated of described cylindrical body 21 and described inner filtration body 22.
And, be arranged in the prominent part of short rear outer cylindrical portion 41S and rear inner cylinder portion 41U at the rear side of described lip portions 34.Described rear outer cylindrical portion 41S is the annular wall arranged in the edge, periphery of described lip portions 34.And described rear inner cylinder portion 41U is larger than the diameter of described front inner cylinder portion 35U.Further, the outer surface of outer cylindrical portion 41S in the rear, is along the circumferential direction equally spaced provided with multiple bayonet socket projection 42.It should be noted that, in this example embodiment, be provided with 4 described bayonet socket projections 42.And as shown in Figure 8, described rear inner cylinder portion 41U and front outer cylindrical portion 35S is roughly same footpath.
In the inner circumferential of the 3A side, opening edge of the surrounding wall portion 11 of described dust collecting container 3, be provided with bayonet socket groove 43 accordingly with described bayonet socket projection 42.This bayonet socket groove 43 has at the groove entrance 43A of 3A place, the opening edge opening of described surrounding wall portion 11 and to be communicated with this groove entrance 43A and along the extended in a circumferential direction fastening groove portion 43B of the inner circumferential of described surrounding wall portion 11.Described groove entrance 43A has the end difference 143 of fore-and-aft direction in 43B side, fastening groove portion, and has the angled step portion 143K tilted to 43B opposition side, fastening groove portion relative to fore-and-aft direction.This angled step portion 143K tilts in the mode making described groove entrance 43A and expand towards rear, is guided the front side of described bayonet socket projection 42 to described groove entrance 43A.
It should be noted that, described end difference 143 is formed substantially in parallel with the axis of dust collecting container 3.And, as mentioned above, described bayonet socket groove 43 is arranged on the inner circumferential of described surrounding wall portion 11, but is made up of the material with light transmission due to this surrounding wall portion 11, even therefore the accompanying drawing of local from outside observation, also utilize solid line to illustrate described bayonet socket groove 43 etc.
And, be provided with teat 44 in the front of at least 1 fastening groove portion 43B of multiple described fastening groove portion 43B.It should be noted that, the front end 43S of fastening groove portion 43B and the interval of described teat 44 correspond to the width of the circumference of described bayonet socket projection 42.And, the end difference 45 abutted for described lip portions 34 is formed in the inner circumferential of the 3A side, opening edge of described surrounding wall portion 11.It should be noted that, described end difference 45 is positioned at the position of the inner surface outer circumferential side side than other parts of described surrounding wall portion 11.
Further, when inserting described filter assembly 4 and inserted with raised 42 to described groove entrance 43A by described bayonet socket in described dust collecting container 3, described lip portions 34 is connected to described end difference 45, cannot insert further.Rotated the 43S side, front end of described filter assembly 4 to described fastening groove portion 43B in this position, described bayonet socket projection 42 is locked to described fastening groove portion 43B thus, and described filter assembly 4 is combined with described dust collecting container 3.In this case, when making described filter assembly 4 rotate, when described bayonet socket projection 42 crosses described teat 44, there is elastic deformation and obtain click sense in described bayonet socket projection 42 side, therefore, it is possible to confirm the combination of described dust collecting container 3 and filter assembly 4.
It should be noted that, described filter assembly 4, under namely rear side is observed from 3A side, described opening edge, relative to described dust collecting container 3, being fixed by rotating clockwise, can dismantling by rotating counterclockwise.Further, bayonet socket combining mechanism 46 is formed by described bayonet socket projection 42 and bayonet socket groove 43.
At the opening edge 3A of the surrounding wall portion 11 of described dust collecting container 3, the first notch 51 is set close to described groove entrance 43A.This first notch 51 has the vertical edge 51A of fore-and-aft direction in circumferential both sides, and has the horizontal edge portion 51B linked the bottom of vertical edge 51A, 51A of both sides.And, between described opening edge 3A and vertical edge 51A, be provided with forniciform chamfered section 51M.And the opening edge 41K of outer cylindrical portion 41S is provided with the second notch 52 with the roughly same shape of described first notch 51 in the rear.This second notch 52 has the vertical edge 52A of fore-and-aft direction in circumferential both sides, and has the horizontal edge portion 52B linked the bottom of vertical edge 52A, 52A of both sides.And, between described opening edge 41K and vertical edge 52A, be provided with forniciform chamfered section 52M.
And, in the position that described bayonet socket projection 42 is inserted to described groove entrance 43A, roughly inaccessible described first notch 51 of described rear outer cylindrical portion 41S, be locked to the position between the front end 43S of fastening groove portion 43B and teat 44 in described bayonet socket projection 42, described first notch 51 overlaps with the second notch 52.It should be noted that, as shown in Figure 10, under the state that described dust collecting container 3 is provided with described filter assembly 4, described opening edge 3A is positioned at the position than described opening edge 41K side rearward.And as shown in Fig. 8 etc., with described installation portion 33 for benchmark, the opening edge 41K ' of described rear inner cylinder portion 41U is positioned at the position of the opening edge 41K side rearward than described rear outer cylindrical portion 41S.
The opening edge 41K ' of inner cylinder portion 41U is provided with the three cuts portion 53 with the roughly same shape of described second notch 52 in the rear.And, be provided with in the inner side of the described rear inner cylinder portion 41U of described lip portions 34 and abut cylinder portion 54.It should be noted that, this abutting cylinder portion 54 abuts with the elastic sealing element 65 in suction cylinder portion 64 described later.
The flexible sealing component 55 of ring-type is installed in the periphery of described installation portion 33.Sealing component 55 is configured to, and when described filter assembly 4 inserts to described dust collecting container 3, the inner surface of the peripheral part of sealing component 55 and the surrounding wall portion 11 of described dust collecting container 3 is close to.
The department of assembly 61 that described dust collecting container 3 is installed in dismounting is freely provided with in the front side of described main body of dust collector 2.This department of assembly 61 possesses bottom surface sections 62 and cylindrical portion 63.Be arranged in the prominent part of the suction cylinder portion 64 of the suction inlet as described electric blower 5 in the central authorities of described bottom surface sections 62, be provided with the elastic sealing element 65 of ring-type at the upper limb in this suction cylinder portion 64.Further, under the state that described department of assembly 61 is equipped with described dust collecting container 3, described abutting cylinder portion 54 abuts with described elastic sealing element 65 and described suction cylinder portion 64 is connected with sealing state with described connecting hole 36.And described rear inner cylinder portion 41U is positioned at the outside in described suction cylinder portion 64.It should be noted that, be provided with the filter 64F of dust at the suction inlet in described suction cylinder portion 64.
The recess 63A in the described introduction part 14 of storage and described connecting cylinder portion 15 is provided with in the cylindrical portion 63 of described department of assembly 61.And described cylindrical portion 63 possesses peripheral part 66, the vertical flank 67T of the fore-and-aft direction that arranges at the inner surface of this peripheral part 66, the cross rib portion 67Y of circumference that arranges at the inner surface of peripheral part 66.Described vertical flank 67T circumferentially arranges multiple at spaced intervals.And described cross rib portion 67Y arranges multiple along the longitudinal direction at spaced intervals.
As shown in figure 14, in the inner circumferential of described cylindrical portion 63, form central pod portion 71 in the position of described handle part 7, and form left pod portion 72L and right pod portion 72R in the left and right in this central pod portion 71 respectively.Above-mentioned groove portion 71,72L, 72R are the location divisions of described main body of dust collector 2 side, are formed along the longitudinal direction.On the other hand, be provided with in the periphery of the surrounding wall portion 11 of described dust collecting container 3 central projecting strip part 73, the left projecting strip part 74L and right projecting strip part 74R that described in direction, pod portion 71,72L, 72R insert in the past.Further, above-mentioned projecting strip part 73,74L, 74R are the location divisions of described dust collecting container 3 side.
Inclined lead part 73A is provided with in the front of described central projecting strip part 73.Locking receiving portion 73B in the form of slot on the direction intersected at the length direction with described central projecting strip part 73 is provided with at the base end side of this inclined lead part 73A.Configure the locking member 75 of split in described central pod portion 71, and have integratedly can carry out engaging the fastener 75B of the roughly hook-type departed from described locking receiving portion 73B in this locking member 75.The inclined lead part 75A abutted for described inclined lead part 73A is provided with in the front of this fastener 75B.And described locking member 75 is arranged to move in left-right direction, and exerted a force by the right direction of force application mechanism (not shown) to Figure 14 to make described fastener 75B be locked to described locking receiving portion 73B.Further, by carrying out the operation pressed to the left direction of Figure 14 by described operating portion 9, described fastener 75B moves, and comes off from described locking receiving portion 73B, thus can dismantle described dust collecting container 3 from described department of assembly 61.
And, described central projecting strip part 73 and 1 described first notch 51 spread configuration in the longitudinal direction.Further, when described dust collecting container 3 is installed on described main body of dust collector 2, protuberance 81 is provided with in the rear position in the described central pod portion 71 corresponding with described first notch 51 of described bottom surface sections 62.This protuberance 81 is formed in the mode linked in peripheral part 66 and the described suction cylinder portion 64 of described department of assembly 61.And described protuberance 81 possesses side surface part 82,82 to the both sides of inserting between described vertical edge 51A, 51A, 52A, 52A and the upper surface portion 83 that the side surface part 82,82 of both sides linked.And, the bending facial 83W of convex is formed in the center upper portion of this upper surface portion 83.In addition, in the width end of described protuberance 81, be formed with in the bight of described side surface part 82,82 and upper surface portion 83 the guide portion 81K be made up of flexure plane.This guide portion 81K can abut with the chamfered section 52M of described second notch 52.
Described protuberance 81 bloats formation to described bottom surface sections 62, utilizes described protuberance 81 to form relief valve device.Specifically, as shown in Figure 4, described protuberance 81 forms a part for valve chest 84.The opening and closing mouth 85 in the outside of this valve chest 84 and the ft connection of described main body of dust collector 2, and be provided with passage 86 in inner side.And this passage 86 is communicated with the side in the suction cylinder portion 64 of described electric blower 5.Further, in described valve chest 84, be provided with the valve body 87 described opening and closing mouth 85 being carried out to opening and closing.This valve body 87 is exerted a force by the direction of force application mechanism (not shown) this opening and closing mouth 85 inaccessible to abutting with described opening and closing mouth 85.
And, in the driving of described electric blower 5, when cannot attract outer gas and become the negative pressure of below setting in the housing 6 of described main body of dust collector 2 from described suction cylinder portion 64 when blockings such as described mouths 16, described valve body 87 below in Fig. 4 is mobile and described opening and closing mouth 85 is opened, and imports outer gas.By carrying out action like this, can prevent from applying burden to described electric blower 5.It should be noted that, be provided with exhaust outlet 88 at the rear portion of the housing 6 of described main body of dust collector 2.
The rear quadrate part of described housing 6 can install described adapter 17 removably in the mode covering described exhaust outlet 88.Being formed at the outer circumferential surface section 90 of outer peripheral portion of described exhaust outlet 88, being formed with the bayonet socket base portion 91 rearward erectting setting at three positions, being provided with bayonet socket groove 92 at each bayonet socket base portion 91.Described bayonet socket groove 92 has to the groove entrance 92A of the rearward openings of described bayonet socket base portion 91 and is communicated with this groove entrance 92A and the fastening groove portion 92B extended in a circumferential direction along the periphery of described bayonet socket base portion 91.
Described adapter 17 comprise be formed as with described housing 6 roughly with the cylindrical shape in footpath the installation portion 93 as wide portion, become gradually from this installation portion 93 path tapering 94, with this tapering 94 continuous print end difference 95, bear a portion 96 from the outstanding cylindrical shape of this end difference 95 as cylindrical portion, described adapter 17 due to both ends open, therefore at internal circulation air.The described diameter bearing a portion 96 is formed as about 1/3 of the diameter of described installation portion 93, and the air of therefore discharging from described exhaust outlet 88 is concentrated and flowed into described installation portion 93, can promote the flow velocity of air.And described adapter 17 is formed by the synthetic resin comparing hard.
As shown in figure 16, at the inner surface of described installation portion 93, be along the circumferential direction equally spaced provided with the bayonet socket projection 97 at three positions.Described bayonet socket projection 97 is disposed in the position corresponding with the described bayonet socket groove 92 being formed at described bayonet socket base portion 91.And, described installation portion 93 inner surface and between adjacent described bayonet socket projection 97, be formed with the radial outstanding laminal ribs 98 in described installation portion 93 at three positions.
In order to described adapter 17 is installed to described housing 6, described bayonet socket projection 97 is inserted to described groove entrance 92A, and the extended direction of described adapter 17 to described fastening groove portion 92B is rotated.Thus, described bayonet socket projection 97 is locked to fastening groove portion 92B, thus described adapter 17 is combined with described housing 6.It should be noted that, described adapter 17, under observing from rear side, relative to described housing 6, being fixed by rotating clockwise, can dismantling by rotating counterclockwise.
The described outer peripheral face bearing a portion 96 be provided with using as annex extension tube 18, extend the locking press button 30 of the fixing generally elliptical shape of flexible pipe 19 and brush mouth 20 (hereinafter referred to as each annex 18,19,20).Described locking press button 30 is configured to be erect in the button incorporating section 38 of the generally elliptical shape arranged at the described outer peripheral face bearing a portion 96, and rotates freely the earth's axis by axle portion 39 and be supported on this button incorporating section 38.
Be formed with the engaging protrusion 40 engaged with described each annex 18,19,20 at the back side of described locking press button 30, and helical spring 47 is installed, by this helical spring 47, the described engaging protrusion 40 of described locking press button 30 is exerted a force to lock-out state direction all the time.It should be noted that, as long as helical spring 47 can exert a force to lock-out state direction to described locking press button 30, also can use leaf spring etc.Below, the unit be made up of described locking press button 30, described button incorporating section 38, described axle portion 39, described engaging protrusion 40 and described helical spring 47 is called peg button unit 48.And be formed with location indentations 79 at the described opening bearing a portion 96, this location indentations 79 abuts for locator protrusions 57A, 57B, 57C formed at described each annex 18,19,20 described later.
Described extension tube 18 by described bear insert in a portion 96 insertion cylinder portion 49A, middle cylinder portion 50, bear a portion 96A and form, be overallly formed as cylindric by the synthetic resin comparing hard.The slot 56A engaged for described engaging protrusion 40 is formed at the outer peripheral face of described insertion cylinder portion 49A.And, described insertion cylinder portion 49A outer peripheral face and divide formation to state locator protrusions 57A to some extent at described middle cylinder portion 50 side end.The peg button unit 48A with the shape identical with described peg button unit 48 and function is set at a described portion 96A that bears, is formed with the location indentations 79A with described location indentations 79 same shape at a described opening of portion 96A that bears.Therefore, it is possible to install described prolongation flexible pipe 19 and described brush mouth 20 at a described portion 96A that bears.It should be noted that, described location indentations 79A be formed in be located at described in bear the described peg button unit 48A of portion 96A position identical in a circumferential direction.
Described prolongation flexible pipe 19 comprises to describedly bearing handle part 68 that the insertion cylinder portion 49B, the first connecting portion 58, hose sections 59, second connecting portion 60 of accordion, the user that insert in a portion 96 hold, bearing a portion 96B.Described hose sections 59 is formed by flexible raw material, and flexible/bending freely.And described insertion cylinder portion 49B, described first connecting portion 58, second connecting portion 60 and described handle part 68 are all formed as cylindric by the synthetic resin comparing hard.Described pleated portions 59 is connected with described insertion cylinder portion 49B via described first connecting portion 58, and is connected with described handle part 68 via described second connecting portion 60.And described handle part 68 is integrally formed with a described portion 96B that bears.The slot 56B engaged for described engaging protrusion 40 is formed at the outer peripheral face of described insertion cylinder portion 49B.And, described insertion cylinder portion 49B outer peripheral face and divide formation to state locator protrusions 57B to some extent at described first connecting portion 58 side end.And, the peg button unit 48B with the shape identical with described peg button unit 48 and function is set at a described portion 96B that bears, is formed with the location indentations (not shown) with described location indentations 79 same shape at a described opening of portion 96B that bears.Therefore, it is possible to install described extension tube 18 and described brush mouth 20 at a described portion 96B that bears.It should be noted that, the described location indentations formed at the described opening bearing a portion 96B be formed in be located at described in bear the described peg button unit 48B of portion 96B position identical in a circumferential direction.
Described brush mouth 20 is made up of insertion cylinder portion 49C, mouth 69, brush portion 70.It should be noted that, described insertion cylinder portion 49C and mouth 69 are integrally formed.The cross section of described insertion cylinder portion 49C is formed as cylindric, and the cross section of described mouth 69 is formed as the rectangular shape of lengthwise.And the front end opening 76 of described mouth 69 is formed as roughly tilting under side-looking is observed.And, described brush portion 70 is installed on described mouth 69 sliding freely, engaged with the locking protrusion 78 formed on a side of described mouth 69 by the stop hole 77 formed on a side of described brush portion 70, described brush portion 70 can be fixed in the front of described mouth 69.The slot 56C engaged for described engaging protrusion 40 is formed at the outer peripheral face of described insertion cylinder portion 49C.And, described insertion cylinder portion 49B outer peripheral face and described mouth 69 side part formed state locator protrusions 57C to some extent.
Next, the dismounting to described adapter 17 of described each annex 18,19,20 is described.Described locking press button 30 is exerted a force towards lock-out state direction by helical spring 47, and therefore described engaging protrusion 40 becomes through in described state of bearing the projection through hole 89 that a portion 96 is formed from outside towards inner side.And, when by described each insertion cylinder portion 49A, 49B, 49C of described each annex 18,19,20 to described bear a portion 96 insert time, above-mentioned insertion cylinder portion 49A, 49B, 49C abut with described engaging protrusion 40, make described locking press button 30 overcome the active force of described helical spring 47 and rotate.And, when by described each insertion cylinder portion 49A, 49B, 49C to described bear a portion 96 be pressed into further time, described each slot 56A, 56B, 56C that described engaging protrusion 40 is formed with the outer peripheral face at described each insertion cylinder portion 49A, 49B, 49C engage, and bear a portion 96 described in described each annex 18,19,20 is fixed on.It should be noted that, described each slot 56A, 56B, 56C are formed at the complete cycle of the outer peripheral face of described each insertion cylinder portion 49A, 49B, 49C.
And, locator protrusions 57A, 57B, 57C is formed respectively at the outer peripheral face of described insertion cylinder portion 49A, 49B, 49C, when bearing a tin portion 96 described in described each annex 18,19,20 is fixed on, above-mentioned locator protrusions 57A, 57B, 57C abut with the location indentations 79 formed at the described opening bearing a portion 96.Described location indentations 79 pass through described in bear the open side in a portion 96 a part to radial outside rectangular outstanding and formed, be formed as receiving described each locator protrusions 57A, 57B, 57C and carry out the size that abuts.Therefore, when the position do not abutted with described location indentations 79 at described each locator protrusions 57A, 57B, 57C for by described each annex 18,19,20 to described bear a portion 96 insert time, described each locator protrusions 57A, 57B, 57C abut with the described open end 80 bearing a portion 96, described each annex 18,19,20 fully cannot be inserted to a described portion 96 of bearing, described engaging protrusion 40 does not engage with described each slot 56A, 56B, 56C, bears a portion 96 described in therefore described each annex 18,19,20 cannot being fixed on.It should be noted that, described in described location indentations 79 is formed in, bear the position identical with described peg button unit 48 of the circumferencial direction in a portion 96.
In order to described each annex 18,19,20 is dismantled from described adapter 17, it is made to rotate as long as press described locking press button 30, remove described engaging protrusion 40 and the engaging of described each slot 56A, 56B, 56C, described each annex 18,19,20 is born a portion 96 drawing from described.
It should be noted that, the cylinder portion 49 of described floor mouth 16 is also formed and the slot (not shown) of each insertion cylinder portion 49A, 49B, 49C same shape of described each annex 18,19,20 and locator protrusions (not shown), described floor mouth 16 can be born a portion 96 dismounting described in described adapter 17.
And the internal diameter of the described front side portion 15A in described connecting cylinder portion 15 is formed as and the described same footpath of internal diameter of bearing a portion 96, the peg button unit 48C with the shape identical with described peg button unit 48 and function is set at the outer peripheral face of described front side portion 15A.And, be formed with the location indentations 79B with described location indentations 79 same shape at the opening of described front side portion 15A.Therefore, can floor mouth 16, described extension tube 18, described prolongation flexible pipe 19 and described brush mouth 20 described in dismounting at described front side portion 15A.It should be noted that, described location indentations 79B is formed in the upper section of described front side portion 15A.
It should be noted that, described each peg button unit 48,48A, 48B are under the state being provided with described adapter 17, described extension tube 18, described prolongation flexible pipe 19, be configured at upside, but the left surface that the front that described peg button unit 48C is configured in described electric dust collector 1 is observed.
Like this, described electric dust collector 1 can using described floor mouth 16 and as the described extension tube 18 of annex, described prolongation flexible pipe 19, described brush mouth 20 as attracting with and drying with and use.
Next, the assembly and disassembly methods of described dust collecting container 3 is described.In order to assemble described filter assembly 4, make described cylindrical body 21 be covered in described inner filtration body 22, described bayonet socket projection 29 is inserted to groove entrance 37A, the extended direction of described cylindrical body 21 to fastening groove portion 37B is rotated.Thus, described bayonet socket projection 29 engages with described fastening groove portion 37B, and described inner filtration body 22 is combined with described cylindrical body 21, thus assembles described filter assembly 4.
Next, in order to install described filter assembly 4 to described dust collecting container 3, described filter assembly 4 is inserted in described dust collecting container 3, described bayonet socket projection 42 is inserted into till described lip portions 34 abuts with described end difference 45 to described groove entrance 43A, the front end 43S side of described filter assembly 4 to described fastening groove portion 43B is rotated.Thus, described bayonet socket projection 42 engages with described fastening groove portion 43B, and described filter assembly 4 is combined with described dust collecting container 3.
Like this, when described filter assembly 4 being correctly installed on dust collecting container 3 and described dust collecting container 3 being assemblied in described department of assembly 61, make the projecting strip part 73 of described dust collecting container 3,74L, 74R and described main body of dust collector 2 pod portion 71,72L, 72R are involutory and be inserted in described cylindrical portion 63 along fore-and-aft direction by described dust collecting container 3.Now, the inclined lead part 73A of described central projecting strip part 73 abuts with the inclined lead part 75A of the locking member 75 in described central pod portion 71, pressed by described central projecting strip part 73 and locking member 75 is moved to non-locking position, at described inclined lead part 73A by afterwards, described fastener 75B engages with locking receiving portion 73B.In this position, described protuberance 81 enters first and second notch 51,52 described.
On the other hand, when described dust collecting container 3 overlaps with described first notch 51 in conjunction with insufficient and described rear outer cylindrical portion 41S with the bayonet socket of filter assembly 4, before described fastener 75B engages with described locking receiving portion 73B, described rear outer cylindrical portion 41S abuts with described protuberance 81.Therefore, described fastener 75B does not engage with described locking receiving portion 73B, described dust collecting container 3 cannot be installed on described department of assembly 61.Thus, described dust collecting container 3 is dismantled by user, confirms that bayonet socket installs described dust collecting container 3 after combining again.That is, described dust collecting container 3 and filter assembly 4 can be prevented under the assembled state of non-fully to the situation that described main body of dust collector 2 is installed.
And, as shown in Figure 15 (A), in the rear when outer cylindrical portion 41S and described first notch 51 part superposition, if the chamfered section 52M of described rear outer cylindrical portion 41S abuts with the guide portion 81K of described protuberance 81, then by the power of the described dust collecting container 3 of press-in, described filter assembly 4 is rotated, it is involutory that first and second notch 51,52 described in making carries out position.Thereby, it is possible to load described dust collecting container 3 to described department of assembly 61.
In addition, even if just in case when not loading described filter assembly 4 and only described dust collecting container 3 be assemblied in described department of assembly 61, because the opening edge 3A at described dust collecting container 3 is provided with the first notch 51, therefore by the gap between the inner side of described cylindrical portion 63 and the periphery of described dust collecting container 3, air enters in described dust collecting container 3 from described first notch 51,51.Therefore, air-flow containing dust can not be sucked from described mouth 16, can not occur the dust externally efficiency of air spreading or described electric blower 5 situation about declining again.
Next, the using method of described electric dust collector 1 is described.First, when using described electric dust collector 1 to carry out attraction cleaning, in described connecting cylinder portion 15, described floor mouth 16 being installed, correctly assembling described dust collecting container 3 in described department of assembly 61, in this condition, described switching manipulation portion 10 operated and drive described electric blower 5.When driving described electric blower 5; the described connecting cylinder portion 15 connected from the circumference along described dust collecting container 3 from the air containing dust of described mouth 16 attraction flows into described dust collecting container 3; eddy current is formed in this dust collecting container 3; the thick dust that this eddy current comprises is centrifuged separation; move between described surrounding wall portion 11 and return 25 to described dust reservoir 26; further, the air-flow be separated after the big and heavy dust such as sand flows in described cylindrical body 21 from described aperture 23H.It should be noted that, when air-flow crosses described return 25, the great majority of the dust that this air-flow contains return downwards by described return 25.Further, the light dust that air-flow contains, when flowing in described cylindrical body 21, is caught by the described aperture 23H played a role as filter or described filter body 31.Like this, the clean air-flow after being separated by tiny dust by described filter body 31, by being provided with the suction cylinder portion 64 of described filter 64F, arrives described electric blower 5.Further, the air being drawn into described housing 6 from described suction cylinder portion 64 is discharged from the described exhaust outlet 88 at rear portion.It should be noted that, when carrying out attraction cleaning, described floor mouth 16 can be replaced, the described each annex 18,19,20 will selected corresponding to attracting the place of cleaning is installed on described connecting cylinder portion 15 and uses, and, use under the state also can not installed whatever in described connecting cylinder portion 15.
And, when carrying out attraction cleaning, cover described exhaust outlet 88 by described adapter 17 is installed on described main body of dust collector 2 overall, suppress the work sound of described electric blower 5 from the leakage of described exhaust outlet 88, noise when described electric dust collector 1 uses can be relaxed.
And, when using described electric dust collector 1 as electric blower, at described main body of dust collector 2, described adapter 17 is installed, under the state that described connecting cylinder portion 15 does not install whatever, operates described switching manipulation portion 10, described electric blower 5 is driven.When driving described electric blower 5, the air sucked from described air entry 100 is discharged from described exhaust outlet 88, the air of discharging is concentrated described in inflow and is born a portion 96 in described adapter 17, and the state risen with flow velocity is thus discharged from a described portion 96 of bearing to the outside of described adapter 17.Dust can be blown away by the air of this discharge.
As previously discussed, the present invention includes: have air entry 100 with exhaust outlet 88 and the main body of dust collector 2 of built-in electric blower 5, the adapter 17 that the exhaust outlet 88 of this main body of dust collector 2 is covered, the annex 18,19,20 that is connected with this adapter 17, described adapter 17 has as the installation portion 93 in wide portion and bears a portion 96 as cylindrical portion, described installation portion 93 can be installed removably relative to described main body of dust collector 2 and described exhaust outlet 100 entirety be covered, described in bear a portion 96 and can connect described annex 18,19,20 removably.
In this case, promoted the flow velocity of the air of discharging from described exhaust outlet 88 by the described adapter 17 covering described exhaust outlet 88, the exhaust of electric dust collector 1 can be utilized to use as electric blower.And, owing to described exhaust outlet 88 being covered by described adapter 17, therefore, it is possible to suppress the work volume of the electric blower 5 leaked from this exhaust outlet 88.
And user at random can select the dismounting of described adapter 17 and described each annex 18,19,20.
And the interior shape of described air entry 100 is configured to identical with the shape in a portion 96 of bearing as described cylindrical portion.
In this case, the described each annex 18,19,20 being installed on the attraction cleaning of described air entry 100 can be also used as described each annex 18,19,20 of blowout.
It should be noted that, the present invention is not defined as above embodiment, can carry out various distortion and implement in the scope of the purport of invention.Such as, the shape of adapter 17 is not limited to the shape of above-described embodiment, as long as the air of discharging from exhaust outlet 88 can be made to concentrate and promote the flow velocity of air, then also can be other shapes.And, in order to the effect that the noise improving adapter 17 relaxes, adapter 17 can be formed by sound-absorbing raw material or sound insulation raw material.And, as annex, the structure beyond extension tube 18, prolongation flexible pipe 19 and brush mouth 20 can be used.
[symbol description]
1 electric dust collector
2 main body of dust collector
5 electric blowers
17 adapters
18 extension tubes (annex)
19 extend flexible pipe (annex)
20 brush mouths (annex)
88 exhaust outlets
93 installation portions (wide portion)
96 bear a portion (cylindrical portion)
100 air entries