CN102232814B - Electric vacuum cleaner - Google Patents

Abstract

The invention provides an electric vacuum cleaner. In the prior art, since rotation of a rotation connecting part performs angle maintenance via blocking, in order to guarantee maintenance force during use, blocking force needs to be improved, and greater force is needed in occasion of rotation of the rotation connecting part by a user, use convenience is caused to be reduced. A rotation connecting part (200) is provided with a locking mechanism, the locking mechanism makes a locking protrusion (225) of a removing button (220) and a locking groove (226) of a cover body (221) respectively be abutted in a mode of inclining in a specified angle related to the direction of a rotating shaft.

Description

Electric dust collector

Technical field

The present invention relates to electric dust collector, relate in particular to the electric dust collector that also possesses another suction inlet the suction inlet of the roughly T word shape of using except floor.

Background technology

With regard to existing electric dust collector, for example, shown in patent documentation 1 (TOHKEMY 2000-300484 communique), extension tube bending accessory is set between handle portion and extension tube.With accessory, two bend pipes by L word shape form in this bending, and connect rotationally this two bend pipes.And, by this bend pipe is rotated, carry out the cleaning on the top of bed or the below of desk or air-conditioning etc.

In addition, as shown in patent documentation 2 (TOHKEMY 2002-253456 communique), following electric dust collector is proposed: between upper extension tube and lower extension tube, rotating joint portion is set, thereby can carries out the cleaning of the below etc. of sofa or bed.

In addition, as shown in patent documentation 3 (TOHKEMY 2007-44267 communique), following electric dust collector is proposed: by connecting portion, tube connector is connected to suction oral area, centered by the turning cylinder of connecting portion, make tube connector turn to and suck the suction inlet side of oral area, thereby can carry out the cleaning on the top etc. of air-conditioning or furniture.

In addition, as shown in patent documentation 4 (TOHKEMY 2009-66332 communique), following electric dust collector is proposed: in extension tube, with coupler body, telescopic attached inhalation apparatus is installed.

In addition, as shown in patent documentation 5 (TOHKEMY 2009-297370 communique), following dust catcher is proposed: there is rotating a plurality of rotating junction and tube connector, and have can be in upper and lower two directions the attached suction inlet of connection of rotating connecting portion.This attached suction inlet replaces floor to be connected with the front end of extension tube with suction inlet in use, thereby clean the top of high shelf or refrigerator, and by changing the closure of rotating junction, can clean have the degree of depth ceiling face or and floor between the close clearances such as below of space-constrained desk, when holding, can coordinate with the side of extension tube.

In addition, as non-patent literature 1 (air-conditioning household electrical appliance Co., Ltd. of Hitachi, in February, 2010 distribution " HITACHI, dust catcher, catalogue; 201-2 ", 7-8 page) shown in, following dust catcher is proposed: possess two joints, the pipe between one of them joint is capable of expansion and contraction, and possessing attached suction inlet at front end, this attached suction inlet has the brush that can rotate in the direction with suction inlet (opening) face level.This attached suction inlet makes front end become roughly T word shape in use, can improve sweeping efficiency and sense of stability, makes front end become roughly I word shape when holding, and can coordinate with the side of extension tube.

In addition, as shown in patent documentation 6 (TOHKEMY 2009-261432 communique), following dust catcher is proposed: there is rotating a plurality of rotating junction and telescopic tube connector, dual blocking mechanism is set on rotating junction, a blocking mechanism can be removed its function by pressing disengage button, possesses the attached suction inlet of the position that utilizes boosting mechanism to be pushed back regulation.

But, in the electric dust collector of recording at above-mentioned patent documentation 1, due to the extension tube bending as rotation section with accessory only between handle portion and extension tube, therefore when cleaning eminence, heavy extension tube need to be risen to the height identical with the upper surface of eminence with floor with inhalation apparatus, and because operating handle position is also high, force and raise wrist and clean, cause the burden of health to increase.In addition, replacing floor with inhalation apparatus, to adopt the occasion of simple attached brush-type inhalation apparatus, because needs are pressed brush face on pinnacled upper surface, therefore exist and extension tube and operating handle further must be risen to the problem that higher position is cleaned.

In addition, even in the electric dust collector of recording at above-mentioned patent documentation 2, owing between upper extension tube and lower extension tube, rotating joint portion being set, therefore when cleaning eminence, heavy extension tube need to be risen to the height identical with the upper surface of eminence with floor with inhalation apparatus, force and raise wrist and clean, thereby cause the burden of health to increase.

In addition, in the electric dust collector of recording at above-mentioned patent documentation 3, in the occasion of cleaning eminence, because tube connector contacts with cleaning position, therefore can only correspondingly to depths, clean with the length that sucks oral area, cannot clean the depths of the end face etc. of furniture or refrigerator.

In addition, in the electric dust collector of recording at above-mentioned patent documentation 4, on attached inhalation apparatus, there is no articulation mechanism, be therefore difficult to clean eminence.

In addition, in the electric dust collector of recording at above-mentioned patent documentation 5, because the brush of attached suction inlet front end is longer in the axial direction, therefore the occasion sweeping efficiency that carries out back and forth operation user between front and depths reduces, or the occasion tube portion that carries out back and forth operation user in left and right is crooked, the unstable and operability of therefore becoming also declines.

In addition, in the electric dust collector of recording at above-mentioned non-patent literature 1, on attached suction inlet, there are two place's articulation mechanisms, by adjusting this angle, can clean higher shelf and refrigerator top, at ceiling face equal-height position, there is the position of the degree of depth.User, in order to adjust the angle of articulation mechanism, makes with the hands bending tube part.Now, due to the locking mechanism not having after angle adjustment, the problem that therefore exists angle at random to depart from cleaning, if make angle be difficult for departing from and increase barrier force, to make articulation mechanism bending need to apply larger power.

In addition, in the electric dust collector of recording at above-mentioned patent documentation 6, because the blocking mechanism of attached suction inlet is to keep as far as possible the power butt of rotational angle, the position that therefore blocking mechanism (catch ring) after removing will be pushed back to regulation needs larger active force, therefore when pressing disengage button, need to apply larger power.

Summary of the invention

The object of the present invention is to provide a kind of electric dust collector, utilize and improved sweeping efficiency or operability by the flexible inhalation apparatus of a plurality of articulation mechanisms.

The invention is characterized in, utilizing a plurality of articulation mechanisms, at least one articulation mechanism of flexible inhalation apparatus, be provided with locking mechanism, this locking mechanism can lock and remove crooked locking by user's operation bending.

The invention is characterized in, can with another distolateral inhalation apparatus being connected of handle operation portion or extension tube possess can with another distolateral tube connector being connected of handle operation portion or extension tube and the second sucking mouth of the roughly T word shape that can be connected with tube connector, the second sucking mouth possesses the hairbrush portion on the peristome of a side contrary with tube connector side that is formed at the suction inlet portion of tube connector side and is formed at suction inlet portion, and hairbrush portion forms and can swing with respect to suction inlet portion.

Effect of the present invention is as follows.

According to the present invention, owing to possessing locking mechanism on the articulation mechanism of inhalation apparatus, therefore can reduce waving of articulation mechanism in use, thereby can improve operability, and can easily carry out the adjustment of angle of rotation.

In addition, according to the present invention, by hairbrush portion, can swing with respect to suction inlet portion, hairbrush portion follows uneven cleaning face, therefore can improve sweeping efficiency.

Accompanying drawing explanation

Fig. 1 is the stereogram of the inhalation apparatus of one embodiment of the present of invention.

Fig. 2 is the exploded view of rotating junction of the handle side of one embodiment of the present of invention.

Fig. 3 is that the P of bowl shape cover of one embodiment of the present of invention is to view.

Fig. 4 is the cutaway view of rotating junction of the handle side of one embodiment of the present of invention.

Fig. 5 is the part section stereogram of rotating junction of the handle side of one embodiment of the present of invention.

Fig. 6 is the cutaway view of the inhalation apparatus of one embodiment of the present of invention.

Fig. 7 is the stereogram of disengage button of rotating junction of the handle side of one embodiment of the present of invention.

Fig. 8 is the stereogram of lid of locking mechanism side of rotating junction of the handle side of one embodiment of the present of invention.

Fig. 9 is the stereogram of the tube connector of one embodiment of the present of invention.

Figure 10 is the stereogram of the tube connector overtime of one embodiment of the present of invention.

Figure 11 is the brake cutaway view of the tube connector of one embodiment of the present of invention.

Figure 12 is the cutaway view of the brake of the tube connector of one embodiment of the present of invention while pressing.

Figure 13 is the exploded view of rotating junction of the front of one embodiment of the present of invention.

Figure 14 is the rotation of inhalation apparatus and the stereogram of overtime of one embodiment of the present of invention.

Figure 15 is an illustration of the cleaning eminence of one embodiment of the present of invention.

Figure 16 is the stereogram of the inhalation apparatus of one embodiment of the present of invention when separated.

Figure 17 is the stereogram of the inhalation apparatus of one embodiment of the present of invention when separated.(oppositely assembling)

Figure 18 is an illustration of the cleaning ceiling of one embodiment of the present of invention.

Figure 19 is an illustration of the cleaning floor face of one embodiment of the present of invention.

Figure 20 is the stereoscopic figure of the electric dust collector of one embodiment of the present of invention.

Figure 21 is stereoscopic figure and the sectional elevation of rotating junction of the front of one embodiment of the present of invention.

Figure 22 is the sectional elevation of rotating junction of the front of one embodiment of the present of invention.

Figure 23 is stereoscopic figure and the upper cutaway view of rotating junction of the front of one embodiment of the present of invention.

Figure 24 is top view and the upper cutaway view of the inhalation apparatus of one embodiment of the present of invention.

Stereogram when Figure 25 is suction inlet forming portion separated of one embodiment of the present of invention.

Figure 26 is stereoscopic figure, longitudinal section and the sectional elevation of the suction inlet forming portion of one embodiment of the present of invention.

Stereogram when Figure 27 is the decomposition of suction inlet forming portion of one embodiment of the present of invention.

Figure 28 is the stereoscopic figure when rotating junction of the front of one embodiment of the present of invention is connected in handle operation portion.

In figure:

10-main body of dust collector, 11-flexible pipe, 12-handle operation portion, 13-extension tube, 14,15-sucking mouth, 100-inhalation apparatus, 200,400-rotating junction, 300-tube connector.

The specific embodiment

The invention is characterized in, possess can with another distolateral inhalation apparatus being connected of handle operation portion or extension tube, inhalation apparatus possess can with another distolateral tube connector being connected of handle operation portion or extension tube (for example, the rotating junction of bottom side and tube connector) with second sucking mouth (for example rotating junction) of the roughly T word shape that can be connected with tube connector, inhalation apparatus can utilize a plurality of articulation mechanisms and bending.According to the present invention, because the second sucking mouth is T word shape roughly, therefore can not cause operability to decline, can improve sweeping efficiency.Especially, owing to comprising that the inhalation apparatus of the tube connector being connected with the second sucking mouth has a plurality of articulation mechanisms, therefore can clean eminence, thereby can expand cleaning range.In addition, because the second sucking mouth possesses a plurality of articulation mechanisms, therefore can improve user's ease of use.

In addition, the invention is characterized in, possess can with another distolateral connection of handle operation portion or extension tube, or can be by the tube connector different from extension tube the second sucking mouth (for example rotating junction) with another distolateral roughly T word shape being connected of handle operation portion or extension tube, the second sucking mouth can utilize a plurality of connection mechanisms and bending.According to the present invention, because the second sucking mouth is T word shape roughly, therefore can not cause operability to reduce, thereby can improve sweeping efficiency.Especially, owing to comprising that the inhalation apparatus of the tube connector being connected with the second sucking mouth has a plurality of articulation mechanisms, therefore can clean eminence, thereby can expand cleaning range.In addition, because the second sucking mouth possesses a plurality of articulation mechanisms, therefore can improve user's ease of use.

In addition, the invention is characterized in, possess can with another distolateral connection of handle operation portion or extension tube, or can be by the tube connector different from extension tube another distolateral second sucking mouth being connected (for example rotating junction) with handle operation portion or extension tube, by inserting in the connection side opening end of the second sucking mouth with the openend of the tube connector of suction inlet forming gap, connect tube connector and the second sucking mouth, by the connection side opening end of the second sucking mouth being inserted in another distolateral opening of handle operation portion or extension tube, connect handle operation portion or extension tube and the second sucking mouth.According to the present invention, due to the second sucking mouth can also with in handle operation portion or extension tube, also form gap and be connected with the tube connector of suction inlet, therefore can improve user's ease of use.

In addition, the invention is characterized in, possess can with another distolateral connection of handle operation portion or extension tube, or can be by the tube connector different from extension tube the second sucking mouth (for example rotating junction) with another distolateral roughly T word shape being connected of handle operation portion or extension tube, the width of the long side direction of the suction inlet forming portion of the second sucking mouth is shorter than the width of the long side direction of the first sucking mouth, the width of short side direction of the suction inlet forming portion of the second sucking mouth and the width of junction block are about equally or shorter than it, this junction block can with another distolateral connection of handle operation portion or extension tube, or can be by the tube connector different from extension tube another distolateral connection the with handle operation portion or extension tube.According to the present invention, due to the width of short side direction of the suction inlet forming portion of the second sucking mouth and the width of junction block about equally or it is short, therefore, making the second sucking mouth so that roughly I word shape holds, can improve the property held.In addition, also can improve the stability while holding.

In addition, the invention is characterized in, at least one articulation mechanism of inhalation apparatus that can be crooked utilizing a plurality of articulation mechanisms, locking mechanism is set, this locking mechanism locks bending and can remove crooked locking by user's operation.According to the present invention, owing to possessing locking mechanism on the articulation mechanism of inhalation apparatus, therefore can reduce in use waving of articulation mechanism, thereby can improve operability, also can easily carry out the adjustment of angle of rotation in addition.

In addition, the invention is characterized in, can with another distolateral inhalation apparatus being connected of handle operation portion or extension tube possess can with another distolateral tube connector being connected of handle operation portion or extension tube and the second sucking mouth of the roughly T word shape that can be connected with tube connector, the second sucking mouth possesses the hairbrush portion of the peristome of a side contrary with tube connector side that is formed at the suction inlet portion of tube connector side and is formed at suction inlet portion, and hairbrush portion forms and can swing with respect to suction inlet portion.According to the present invention, because hairbrush portion follows uneven cleaning face, therefore can improve sweeping efficiency.

Below, with reference to the accompanying drawings embodiments of the invention are described.

Figure 20 is the stereoscopic figure of the electric dust collector of one embodiment of the present of invention.In Figure 20, mark 10 is to possess the electric blower of attraction of generation and the main body of dust collector of debris collection section, and mark 11 is that the flexible pipe that hose coupling 11a is connected with main body of dust collector 10 is passed through in one end, and is communicated with debris collection section.Mark 12 is that one end is connected with the other end of flexible pipe 11, and possesses the handle operation portion of the 12a of switching manipulation portion of the break-make of carrying out electric blower.Mark 13 is that one end is connected with the other end of handle operation portion 12 and telescopic extension tube, mark 14 is the sucking mouths that are connected with the other end of extension tube 13, and mark 15 is the sucking mouths that are connected between extension tube 13 and sucking mouth 14 or between handle operation portion 12 and extension tube 13.Flexible pipe 11, handle operation portion 12, extension tube 13, sucking mouth 14 and sucking mouth 15 are formed with suction passage in inside respectively, thereby the debris collection section of sucking mouth 14 and main body of dust collector 10 is communicated with.If user operable switch operating portion 12a and make electric blower entry into service, produces attraction.This attraction arrives sucking mouth 14, and the dust sucking from sucking mouth 14 concentrates on the debris collection section of main body of dust collector 10 by extension tube 13, handle operation portion 12 and flexible pipe 11.Sucking mouth 14 has the rotary brush that utilizes suction flow rotation or utilize electronic rotation in suction inlet (opening), is mainly used in cleaning floor face.Sucking mouth 15 has brush around at suction inlet (opening), is mainly used in cleaning the gap of furniture or the top of furniture and air conditioner.But sucking mouth 15 is structure not necessarily.

Handle operation portion 12 and extension tube 13, extension tube 13 and sucking mouth 14 and handle operation portion 12 and extension tube 13 are loaded and unloaded and are connected freely respectively with sucking mouth 15 with sucking mouth 15, extension tube 13 and sucking mouth 14.In the occasion of cleaning timber floor and straw mat, carpet, under the state that connects handle operation portion 12, extension tube 13, sucking mouth 14, clean.Occasion at the cleaning gap of furniture or the top of furniture and air conditioner, from handle operation portion 12, unload extension tube 13 or unload sucking mouth 14 from extension tube 13, and sucking mouth 15 or attached inhalation apparatus 100 (Fig. 1) are connected in handle operation portion 12 or extension tube 13 and are cleaned according to object.Below, in the present embodiment, the inhalation apparatus 100 of especially the effective dust catcher of eminence of the top of cleaning furniture and air conditioner and so on being used describes, but is not limited to eminence by cleaning place.

Fig. 1 is the overall appearance figure of the inhalation apparatus 100 used of the dust catcher of one embodiment of the present of invention.The inhalation apparatus 100 that dust catcher is used comprises and is positioned at the rotating junction 200 of handle operation portion 12 or extension tube 13 sides (bottom side), middle tube connector 300 and the rotating junction 400 of front.Middle connecting portion 300, between 200He rotating junction, rotating junction 400, and can stretch in the axial direction.But, the flexible not necessarily structure of tube connector 300, tube connector 300 can not stretch yet.200Ji rotating junction, rotating junction 400 has the articulation mechanism that can rotate in the axial direction (flexible).Rotating junction 200 has an articulation mechanism, and rotating junction 400 has two articulation mechanisms, but is not limited to this quantity.If using sucking mouth 14 as the first sucking mouth, rotating junction 400 forms the second sucking mouth.Sucking mouth 15 can also connect the connecting portion of extension tube 13 and the connecting portion of sucking mouth 14 at suction inlet (opening) end, but sucking mouth 14 can not connect at suction inlet (opening) end the connecting portion of extension tube 13, and rotating junction 400 can not connect the connecting portion of extension tube 13 and the connecting portion of sucking mouth 14 at suction inlet (opening) end.At this, so-called axial axle refers to and forms the roughly central shaft of tube connector 300 cylindraceous.

Fig. 2 is the exploded perspective view of rotating junction 200.As shown in Fig. 2 (A), the rotating junction 200 of handle operation portion 12 or extension tube 13 sides comprises: rear joint (pipe) 201, consists of the bowl shape portion 206 of the roughly barrel shape cylindraceous portion 205 being communicated with handle operation portion 12 or extension tube 13 in handle operation portion 12 or extension tube 13 sides and axial vertical direction upper shed with this barrel shape portion 205; The bowl shape cover 204 relative with bowl shape portion 206; And front connector (pipe) 202, by the roughly barrel shape cylindraceous portion 207 being communicated with tube connector 300, formed with the barrel-shaped shape portion 208 in axial vertical direction with barrel shape portion 207 with axle.The axle of barrel-shaped shape portion 208 becomes the turning cylinder that rear joint 201 rotates with respect to front connector 202.Inside in barrel-shaped shape portion 208 is formed with runner.The turning cylinder of barrel-shaped shape portion 208 is not to connect in barrel-shaped shape portion 208, and in the outside, side of barrel-shaped shape portion 208, respectively forms one (amounting to two) respectively.Thus, can prevent from the flowing through air of the runner in barrel-shaped shape portion 208 is hindered by the turning cylinder of barrel-shaped shape portion 208.Barrel shape portion 207 is connected with middle tube connector 300.That is to say, one end of rear joint 201 can be connected with handle operation portion 12 or extension tube 13, and one end of front connector 202 can be connected with tube connector 300.And the other end of rear joint 201 is connected rotationally with the other end of front connector 202.In addition, by barrel shape portion 205 and openends bowl shape portion 206 opposition sides being inserted into inner side the butt of the openend of handle operation portion 12 or extension tube 13, bowl shape portion 206 is connected in handle operation portion 12 or extension tube 13.Thus, preferred cartridge shape portion 205 with the outer surface diameter of openends bowl shape portion 206 opposition sides along with narrowing down gradually towards front end, and the inner surface diameter of the outer surface diameter midway narrowing down at this and the openend of handle operation portion 12 or extension tube 13 quite (consistent).

The barrel-shaped shape portion 208 of front connector 202 is shapes that the inner surface of the bowl shape portion 206 of rear joint 201 and bowl shape cover 204 is roughly setovered, and slidably (rotatably) with bowl shape portion 206 and bowl shape cover 204 butts and assemble.On bowl shape portion 206 and bowl shape cover 204, have respectively notch 209,210, front connector 202 can be rotated between 211He lower end, the upper end of notch 212.As shown in Fig. 2 (B), in the contrary side of the side with front connector 202 butts of bowl shape portion 206, dispose the circular shape of the locking mechanism that form to keep rotational angle disengage button 220, possess the lid 221 of roughly toroidal and the boosting mechanism 222 of disengage button 220 in the hole that disengage button 220 can insert.222 pairs of disengage buttons 220 of boosting mechanism are afterburning laterally.Boosting mechanism 222 is for example helical spring, but if to disengage button 220 afterburning parts laterally, can be also other elastomers.But lid 221 is structure not necessarily, also can possess in the bottom surface of bowl shape portion 206 hole that disengage button 220 can insert, and between bowl shape portion 206 and front connector 202, configure disengage button 220, boosting mechanism 222.The barrel-shaped shape portion 208 of front connector 202 have from the outstanding spline guide rail 223 of outer circumferential central side with sides bowl shape portion 206 butts, spline guide rail 223 by the hole offered in the bottom surface of bowl shape portion 206 to bowl shape portion 206 dispose the side-prominent of disengage button 220, and be inserted in the spline groove 224 of the outer circumferential side that is formed at disengage button 220.Lid 221 inserts central hole by disengage button 220, disengage button 220 is exposed laterally, and overcome the power of boosting mechanism 222 and be fixed in bowl shape portion 206, when rotating, disengage button 220 rotates together with front connector 202, and lid 221 rotates together with rear joint 201.Between front connector 202 and bowl shape cover, dispose and produce the catch ring 203 that stops sense (click rattle away sense) inform rotational angle position.Catch ring 203 is for toroidal and have spline projection 213 interior week, periphery have produce stop sense (click rattle away sense) stop projection 214 (projection), stop in projection 214 insertion spline grooves 215, and rotate together with front connector 202, this spline groove 215 is located on the barrel-shaped shape portion of front connector 202 bottom surfaces with sides bowl shape cover 204 butts 208.But owing to being this structure, the slewing area of rear joint 201 and front connector 202 is not 360 degree, and is defined within the limits prescribed.

So, in the present embodiment, among a plurality of articulation mechanisms, be positioned on the articulation mechanism (rotating junction 200) of handle operation portion 12 or extension tube 13 sides (bottom side) locking mechanism is set.Because user catches (support) handle operation portion 12 or extension tube side 13 (bottom side) when cleaning, therefore compare with the articulation mechanism that is positioned at front, be positioned at the front of articulation mechanism of bottom side suffered load, load larger, therefore with the articulation mechanism comparison that is positioned at front, the swing that is positioned at the articulation mechanism of bottom side becomes large.Therefore, in the present embodiment, by being positioned on the articulation mechanism (rotating junction 200) of handle operation portion 12 or extension tube 13 sides (bottom side), locking mechanism is set among a plurality of articulation mechanisms, can effectively suppresses to swing.

As shown in Figure 3, inside bottom surface at bowl shape cover 204, there is the stopping projection 214 and make the circular rib 216 of catch ring 203 bendings of periphery that is pressed into catch ring 203, in this circular rib 216, with the angle of regulation, be formed with the recess that stops projection 214 217 of the periphery that is not pressed into catch ring 203.Thus, it is that axle rotates that rear joint 201 and front connector 202 can be take the central shaft of bowl shape portion 206 and barrel-shaped shape portion 208, the projection 214 that stops of catch ring 203 is contained in the recess 217 of circular rib 216, when front connector 202 is rotated, catch ring 203 rotates together with front connector 202, stop that projection 214 rises in recess 217 and crooked to the radial direction of ring, with circular rib 216 butts in arrive to rotate destination recess 217, thereby remove crooked and be contained in recess 217, by this, hold, rotational angle position is fixed on to a certain degree.

In the present embodiment, the number that stops projection 214 is two, and the place that has recess 217 is two places, but is not defined in this structure.With regard to the setting of catch ring 203, also can be contrary with the present embodiment, on bowl shape cover 204, form the groove 215 that inserts catch ring 203, in front connector 202, form the circular rib 216 that makes catch ring 203 bendings.In addition, catch ring 203 also can be positioned at a side of rear joint 201 and front connector 201 butts, and in this occasion, locking mechanism is formed at bowl shape cover 204 sides.In addition, produce the rattle away method of sense of click and be not defined in the method for the present embodiment, also can replace ring and use helical spring, replace stopping projection and use steel ball, also can access same effect.

Fig. 4 (A) represents the cutaway view of the locking mechanism of lock-out state, and Fig. 4 (B) represents the cutaway view of the locking mechanism of latch-release state.As shown in Fig. 4 (A), it is afterburning that disengage button 220 utilizes the boosting mechanisms such as spring 222 to embed to locking projection 225 direction being formed in the lock slots 226 on lid 221, chimeric by locking projection 225 and lock slots 226, fixedly angle of rotation (angle of bend).As shown in Fig. 4 (B), user overcome the reinforcing of boosting mechanism 222 and press disengage button 220 during, it is non-chimeric that the lock slots 226 that leaves lid 221 due to locking projection 225 becomes, and therefore can make articulation mechanism rotate.Now, owing to utilizing blocking mechanism to fix to a certain extent rotational angle, therefore accidentally rotate and cause the possibility of clamping hand or finger or collision to reduce.In addition, because user stops sense (click rattle away sense) when rotating, can periodically rotate, so not hesitate and can be adjusted into the angle of hope.Due to locking mechanism be formed at the side of barrel-shaped shape portion 208 outside, form the outside of the wall of runner, therefore can prevent from hindering the air of the runner in barrel-shaped shape portion 208 of flowing through.

The part section stereogram of locking mechanism when Fig. 5 (A) is illustrated in lock-out state hypozygal portion and is linearity, the part section stereogram of locking mechanism when Fig. 5 (B) is illustrated in and under latch-release state, joint portion is rotated.In the present embodiment, the lock slots 226 of lid 221 is with 22.5 degree arranged spaced, so that the rotational angle of joint portion is 0 degree, 22.5 degree, 45 three stages of degree, but is not defined in this structure.In addition, the butt side of the locking projection 225 of disengage button 220 and the lock slots 226 of lid 221 is configured to, and both sides are not parallel with rotating shaft direction and with respect to rotating shaft direction inclination predetermined angular, do in echelon.Therefore, if utilize under the chimeric lock-out state of boosting mechanism 222 and lock slots 226 and apply certain large rotatory force at locking projection 225, the butt side (inclined plane) of locking projection 225 and lock slots 226 starts to slide, disengage button 220 overcomes the reinforcing of boosting mechanism 222 and moves, locking projection 225 leaves lock slots 226, does not therefore worry in the situation that apply the breakage of excessive power.But, will locking projection 225 and the shape of lock slots 226 do in echelon, if the either party of the locking projection 225 at butt place, lock slots 226 is inclined plane, can make the opposing party is vertical plane.Also can replace trapezoidal and form triangle.

The A-A cutaway view of Fig. 1 of inhalation apparatus 100 when Fig. 6 (A) expression rotating junction 200 is linearity, the A-A cutaway view of Fig. 1 of the inhalation apparatus 100 when Fig. 6 (B) represents rotating junction 200 rotations 45 are spent.Arrow in Fig. 6 represent to flow through the in use air stream of suction passage of the inside that is formed at inhalation apparatus 100, dashdotted intersection point represents the turning cylinder center of rotating junction 220.Therefore now, due to the locking mechanism that utilizes disengage button 220, lid 221, boosting mechanism 222 is located at the turning cylinder of articulation mechanism and is roughly coaxially gone up, as Fig. 6 (B) as shown in, when rotation, also do not hinder air stream and can maintain inhalation power.If this structure, the height of the locking projection 225 of disengage button 220 and the lock slots 226 of lid 221 is limited by the moving range of the width dimensions of the suction passage of articulation mechanism inside, articulation mechanism and disengage button 220.Suction passage is related to inhalation power, therefore need to guarantee certain area, and the width dimensions of articulation mechanism need to be made as below the size of regulation, with the narrow places such as gap of obstruction free cleaning furniture.More than the moving range of disengage button 220 need to be made as necessarily, in order to avoid exist the mistake due to user to cause the danger unlocking, be made as in the present embodiment 4mm.In addition, the width (radially) of locking projection 225 and lock slots 226 is rotated the diameter restriction of the bowl shape portion 206 of connecting portion 220, but need to be made as below the size of regulation, in order to avoid bowl shape portion 206 hinders the narrow places such as gap of cleaning furniture.Locking projection 225 and lock slots 226 are positioned near the turning cylinder of articulation mechanism, when using inhalation apparatus 100, there is the situation that applies excessive power, but according to above-mentioned condition, be difficult to the area that guarantees to meet with stresses on the bearing surface of locking projection 225 and lock slots 226, therefore the butt place that a plurality of locking projections 225 and lock slots 226 is preferably set carrys out dispersive stress, in the present embodiment, butt place is for everywhere.

As shown in Figure 7, disengage button 220 has the button portion 227 of being pressed by user when unlocking and the flange part 228 that is concentric circle with the central shaft of disengage button 220.Flange part 228 has spline groove 224 in periphery, and in button portion, 227 side upper surfaces are formed with locking projection 225.In the present embodiment, centered by the central shaft by disengage button 220 and on relative position, two place's spline grooves 224 are set, locking projection 225 equally spaced arranges everywhere centered by the central shaft of disengage button 220.In addition, with the bad object of action that prevents from causing due to secund when disengage button 220 moves, spline groove 224 has the supplementary wall 229 that extends spline groove 224 shapes in the mode of the spline guide rail 223 along front connector 202, and with same object, the shape of button portion 227 is made to drum, the shape of flange part 228 is done circular.In addition, locking projection 225 and spline groove 224 are in a circumferential direction in different positions.In addition, locking projection 225 is low from the height of flange part 228 from the aspect ratio disengage button 220 of flange part 228.

As shown in Figure 8, lid 221 has the medium pore that the button portion 227 of disengage button 220 can insert and is disposed at its a plurality of lock slots 226 around, has the claw 230 coordinating with the bowl shape portion 206 of rear joint 201 in circumferential lateral surface.In the present embodiment, equally spaced configure claw 230 everywhere.Lock slots 226 is formed at respectively between a plurality of roughly trapezoidal mountain peak portions.Lock slots 226 is formed at the part of removing claw 230 at circumferencial direction.

The connecting portion of handle operation portion 12 or extension tube 13 can be connected with the barrel shape portion 205 of the rear joint 201 shown in Fig. 2, and the handling of accepting to be located in handle operation portion 12 or extension tube 13 are positioned at the outer surface of bowl shape portion 206 sides of barrel shape portion 205 with the recess 218 of the claw for anticreep (not shown) of clip.In addition, tube connector 300 can utilize connecting portion 305 to be connected with the barrel shape portion 207 of front connector 202, has two the hole portions 219 of extending in a circumferential direction of projection 305 for the anticreep of tube connector that accept in barrel shape portion 207.

As shown in Figure 9, Figure 10, tube connector 300 accommodates elastically the blade body 302 (inner tube) of hollow in the sheath body 301 (outer tube) of hollow.The cross sectional shape of the connecting portion 305 of sheath body 301 is circular shapes, and the cross sectional shape beyond the connecting portion 305 of sheath body 301 is general square shape shape.In the outside of blade body 302, lower surface is equally spaced formed with recess 309.End in the flexible sides of coming in and going out of blade body 302 of sheath body 301, possesses and with axle 304, on radial direction, rotates brake 303 freely.Periphery at another distolateral (connecting portion 305) of sheath body 301 is formed with anticreep projection 305, in the two sides of the leading section of blade body 302, is also formed with in the upwardly extending anticreep projection 306 in side with axially vertical.Anticreep projection 306 on two sides, staggers in the axial direction and respectively forms two respectively.Anticreep projection 306 can form one in two sides respectively, also can form more than three.The leading section of blade body 302 is the narrowest in inhalation apparatus 100 with the width of short side direction, the mode of the inclination from leading section to other end side-lower (for taper) forms, therefore tube connector 300 is being connected under the state in handle operation portion 12 or extension tube 13, can carrying out the cleaning in gap etc.That is to say, the leading section of blade body 302 forms suction inlet (nozzle) for gap.In addition, the leading section of this blade body 302 becomes the connecting portion with rotating junction 400, is formed with the anticreep projection 306 while being connected with rotating junction 400 on this connecting portion.As the present embodiment, preferred, users is separated tube connector 300 and rotating junction 200 easily, but can be also the easily syndeton of separated tube connector 300 and rotating junction 200 of user.

Figure 11, Figure 12 represent the structure of brake 303.As shown in Figure 11, Figure 12, the direction that brake 303 utilizes the elastomers such as spring 307 to embed to claw portion 308 in a plurality of recesses 309 of the outer surface that is formed at blade body 302 is afterburning, thus the telescopic location of stationary blade body 302.User, utilize finger to overcome the reinforcing of elastomer 307 and while pushing brake 303, the recess 309 because blade body 302 leaves in claw portion 308, therefore can freely carry out the flexible of blade body 302.

Figure 13 represents the structure of rotating junction 400.The stereoscopic figure of the rotating junction 400 when Figure 21 (A) represents T word shape roughly, Figure 21 (B) represents the cutaway view in the B-B cross section of Figure 21 (A).The cutaway view in the B-B cross section of Figure 21 (A) of the rotating junction 400 when Figure 22 represents I word shape roughly.The stereoscopic figure of the rotating junction 400 when Figure 23 (A) represents T word shape roughly, Figure 23 (B) represents the cutaway view in the C-C cross section of Figure 23 (A).As shown in figure 13, the rotating junction 400 of front comprises: the barrel shape portion 406 of leading section (connecting portion) that accepts the blade body 302 of tube connector 300; The rear joint (pipe) 401 that the rotation base body 407 that is circular by cross section forms; The front connector (pipe) 402 that the rotation section 408 that is circular by cross section and barrel shape portion 409 form; The rotating mask 405 relative with the rotation section 408 of front connector 402; Lid 404; The aixs cylinder of utilizing axle to support front connector 402 plays the rotation shaft (joint component) 424 that 427 connecting hole 423 connects; And the suction inlet forming portion 426 that is provided with the rotation projection 425 being connected with rotation shaft 424.The rotation section 408 of front connector 402 and rotating mask 405 to be to cover the mode of the rotation base body 407 of rear joint 401, and can swingingly assemble with respect to rotation base body 407.In two sides front connector 402 and ends rotation section 408 opposition sides, possess columned aixs cylinder and play 427, in addition, in aixs cylinder, play 427 upside and possess columned slide protrusion 428.

On the rotation section 408 of front connector 402 and rotating mask 405, have respectively notch 410,411, front connector 402 can be until rotate between the 412He bottom, upper end 413 of notch and 401 collisions of rear joint.Joint gap in rotation base body 407 and rotation section 408 disposes and produces the catch ring that stops sense 403 of informing rotational angle position.Catch ring 403 and catch ring 203 are identical shapes, have spline projection 414 and stop projection 415 (projection), insert in the spline groove 416 of side of the rotation base body 407 of being located at rear joint 401.

On the rotation section 408 of front connector 402, there is the stopping projection 415 of periphery that is pressed into catch ring 403 and the circular hole 417 that makes catch ring 403 bendings, on this circular port 417, with the angle of regulation, be formed with the recess that stops projection 415 418 of the periphery that is not pressed into catch ring 403.In addition, on rotation section 408, be formed with claw hole 419, the chimeric claw 420 of lid 404 and fixing.

Thus, rear joint 401 and front connector 402 can be take the central shaft of rotation base body 407 and rotation section 408 and be that axle rotates, the projection 415 that stops of catch ring 403 is contained in the recess 418 in circular hole 417, when front connector 402 is rotated, stop that projection 415 rises in recess 418 and crooked to the radial direction of ring, with circular hole 417 butts in arrive to rotate destination recess 418, thereby remove crooked and be contained in recess 418, by this, hold, rotational angle position is fixed to a certain degree.

In the present embodiment, the number that stops projection 415 is two, and the place stopping is two places, but is not defined in this structure.With regard to the setting of catch ring 403, also can be contrary with the present embodiment, in front connector 402, form the groove 416 that inserts catch ring 403, on rear joint 401, form the circular hole 417 that makes catch ring 403 bendings.In addition, catch ring 403 can be positioned at a side of rear joint 401 and rotating mask 405 butts, in addition, if arrange two and use in both sides, can disperse to be applied to the power on each catch ring, thereby can improve reliability.Generation stops that the method for sense (click rattle away sense) is not defined in the present embodiment, if replace ring and use helical spring, replaces stopping projection and uses steel ball, can access identical effect.But, owing to being this structure, because the slewing area of after this joint 401 and front connector 402 is not 360 degree, be defined within the limits prescribed.In the left and right side of rotation shaft 424, be formed with and play with aixs cylinder that 427 axles support and the connecting hole 423 that is connected with front connector 402 and fixedly slide protrusion 428 sliding eye 429 that front connector 402 is positioned.Sliding eye 429 is formed at than the more top side of connecting hole 423, in each side, forms respectively two.Rotation shaft 424 can take by aixs cylinder rise 427 and the connecting portion 432 that forms of connecting hole 423 in the upper surface direction of front connector 402, rotate as axial forward end portion, by being contained in that a slide protrusion 428 in sliding eye 429 rises in a sliding eye 429 and the side that makes rotation shaft 424 crooked laterally in butt, and be contained in another sliding eye 429 that rotates destination, rotation shaft 424 is fixed with respect to the rotational angle position of front connector 402.Suction inlet forming portion 426 can be rotated 360 degree with respect to rotation shaft 424.And, as shown in Figure 24 (A), (B), if observe rotating junction 400，Ze rotating junction 400 for roughly T word shape from upside at the long side direction of suction inlet forming portion 426 under with respect to the state that is axially roughly 90 degree of rear joint 401 or front connector 402.As shown in Figure 24 (E), (F), if axially roughly observe 400，Ze rotating junction, rotating junction 400 for I word shape roughly from upside under consistent state at the long side direction of suction inlet forming portion 426 with respect to rear joint 401 or front connector 402.Identical with patent documentation 4 and non-patent literature 1, preferably when inhalation apparatus 100 being arranged on to the side of extension tube 13 and holding, rotating junction 400 is I word shape roughly.

As shown in figure 22, the inner surface of the suction inlet of suction inlet forming portion 426 (opening) tilts to central portion from the end of the long side direction of suction inlet forming portion 426, thereupon, the outer surface (upper surface) of the opposition side of the suction inlet of suction inlet forming portion 426 (opening) also tilts to central portion from the end of the long side direction of suction inlet forming portion 426, and cross section is trapezoidal.That is to say, if from the long side direction of transverse observation suction inlet forming portion 426, be symmetrical.In addition, even from the short side direction of transverse observation suction inlet forming portion 426, be also symmetrical.So,, because the inner surface of the suction inlet (opening) of suction inlet forming portion 426 tilts, therefore from the suction inlet (opening) of suction inlet forming portion 426, towards the disorder of the air stream of passage 430, reduce.And, at the central portion of long side direction of suction inlet forming portion 426 and the central portion of the short side direction of suction inlet forming portion 426 of the upper surface of suction inlet forming portion 426, be formed with and rotate projection 425.In the inner side of rotating projection 425, be formed with passage 430, can ventilate.Passage 430 is circular shapes, and rotation projection 425 is a plurality of in surrounding's formation of this passage 430.Be formed with a plurality of rotation projection 425Yuan center and become suction inlet forming portion 426 with respect to the center of rotation of rotation shaft 424.In addition, be formed with a plurality of rotation projection 425Yuan center also consistent with passage 430 center, rotation hole 433 center.Chain-dotted line in Figure 23 (B) represents the center line of long side direction of suction inlet forming portion 426 and the center line of the short side direction of suction inlet forming portion 426.Preferably suction inlet forming portion 426 is positioned at the central authorities of long side direction of suction inlet forming portion 426 and the central authorities of the short side direction of suction inlet forming portion 426 with respect to the center of rotation of rotation shaft 424, as shown in Figure 23 (B), be positioned at the intersection point of the center line of long side direction of suction inlet forming portion 426 and the center line of the short side direction of suction inlet forming portion 426.That is to say, equal to the distance of the both ends of the surface (end) of the long side direction of suction inlet forming portion 426 with respect to the center of rotation of rotation shaft 424 from suction inlet forming portion 426, equal to the distance of the both ends of the surface (end) of the short side direction of suction inlet forming portion 426 with respect to the center of rotation of rotation shaft 424 from suction inlet forming portion 426.In addition, in this occasion, suction inlet forming portion 426 is present in respect to the center of rotation of rotation shaft 424 on the axle center of rear joint 401 or on the axle center of front connector 402 or on the axle center of tube connector 300.Thus, when user carries out front and the reciprocal operation of depths and the reciprocal operation of left and right to inhalation apparatus 100, the motion stabilization of rotating junction 400, therefore, has improved operability.

Thick chain-dotted line in Figure 22 represents the axle center of the barrel shape portion 406 of rear joint 401, and thin chain-dotted line represents the axle center of the barrel shape portion 409 of front connector 402.Front connector 402 can turn to angle [alpha] to upside with respect to rear joint 401.Angle [alpha] is 5～10 degree left and right.Upper surface and lower surface almost parallel due to barrel shape portion 409, therefore as shown in figure 22, in front connector 402, with respect to rear joint 401, rotated under the state of angle [alpha] to upside, the formation direction of the upper surface of barrel shape portion 409 and the formation direction of lower surface also become the axial direction to the angled α of upside with respect to rear joint 401.Making rotating junction 400, be under the state of roughly I word shape, preferably the upper surface of suction inlet forming portion 426 is relative with the lower surface of barrel shape portion 409, and the interval of the upper surface of suction inlet forming portion 426 and the lower surface of barrel shape portion 409 is below the above 5mm of 0mm.The preferred upper surface of suction inlet forming portion 426 and the lower surface almost parallel of barrel shape portion 409.In this occasion, the upper surface of suction inlet forming portion 426 is in the axial direction to the angled α of upside with respect to rear joint 401.Thus, preferably rotation shaft 424 be take aixs cylinder with respect to barrel shape portion 409 and is played 427 upper surfaces that turn to suction inlet forming portion 426 for axle in the axial direction to the angled α of upside with respect to rear joint 401.As mentioned above, rotation shaft 424 can be determined by the mutual alignment relation between connecting hole 423 and sliding eye 429 with respect to the rotational angle of barrel shape portion 409.And in the occasion of the suction inlet face of suction inlet forming portion 426 and the axial almost parallel of barrel shape portion 409, the suction inlet face angulation of the upper surface of suction inlet forming portion 426 and suction inlet forming portion 426 is angle [alpha].In addition, as shown in figure 21, the preferred connecting portion (passage 430 center) with rotation shaft 424 from suction inlet forming portion 426, be that the center of long side direction of suction inlet forming portion 426 is to the length of the end (end face) of the long side direction of suction inlet forming portion 426, be suction inlet forming portion 426 long side direction length 1/2, axial length with barrel shape portion 409, or the length from the turning cylinder (rotation hole 433 center) of barrel shape portion 409 and the connecting portion of suction inlet forming portion 426 to rotation section 408 side ends (end face) of barrel shape portion 409, or from the turning cylinder (rotation hole 433 center) of front connector 402 and the connecting portion of suction inlet forming portion 426 to front connector 402 and joint 401 connecting portion turning cylinder (axle center of rotation section 408) length about equally or shorter than it.Thus, can approach from connection shaft direction the suction inlet of suction inlet forming portion 426, by suction inlet forming portion 426 is rearward configured, can shorten the total length of rotating junction 400 and then shorten inhalation apparatus 100 total lengths, therefore can not hold by volume not largely, thereby can improve the property held.Owing to not only rotating in the axial direction between rear joint 401 and front connector 402, and rotate in the axial direction between front connector 402 and rotation shaft 424, in addition, between rotation shaft 424 and suction inlet forming portion 426, in the direction from axially different, rotate, therefore improved the property held.In addition, owing to approaching than the axle center of the forward distolateral center of gravity of rear joint 401 and front connector 402, therefore also strengthened the stability while holding.

As shown in Figure 23 (B), in suction inlet forming portion 426, be provided with the rotation hole 433 that inserts the bottom surface that is arranged in rotation shaft 424 and the rotation projection 425 that connects suction inlet forming portion 426, and can on rotating shaft direction, rotate.Rotate in projection 425, be formed with catch ring 203 and catch ring 403 produce in the same manner inform rotational angle position stop sense stop projection 435, and be contained in the recess 434 of bottom surface of rotation shaft 424.When suction inlet forming portion 426 is rotated, stop that projection 435 rises in recess 434 and to the radial direction bending of rotation hole 433, with circular wall 436 butts in arrive the terminal of circular wall 436 and remove bending.In recess 434, hold the next one and stop projection 435, by this, hold, rotational angle position is fixed on certain degree.In addition, stop that projection 435 is also as anticreep claw, prevent that suction inlet forming portion 426 from coming off from rotation shaft 424.

Figure 24 (A) represents that rotating junction 400 is the top view of the inhalation apparatus 100 during T word shape roughly, Figure 24 (B) represents that rotating junction 400 is the top view of the rotating junction 400 during T word shape roughly, Figure 24 (C) represents that rotating junction 400 is the upper cutaway view of the inhalation apparatus 100 during T word shape roughly, Figure 24 (D) represents that rotating junction 400 is the upper cutaway view of the rotating junction 400 during T word shape roughly, Figure 24 (E) represents that rotating junction 400 is the top view of the inhalation apparatus 100 during I word shape roughly, Figure 24 (F) represents that rotating junction 400 is the top view of the rotating junction 400 during I word shape roughly, Figure 24 (G) represents that rotating junction 400 is the upper cutaway view of the inhalation apparatus 100 during I word shape roughly, Figure 24 (H) represents that rotating junction 400 is the upper cutaway view of the rotating junction 400 during I word shape roughly.As shown in Figure 24 (E), (F), (G), (H), make the width of short side direction of suction inlet forming portion 426 and the width of the connecting portion 431 being formed with rotation section 408 grades by rotation base body 407 (with the width of axially vertical direction) about equally or shorter than it.In addition, also can make the width of short side direction of suction inlet forming portion 426 and the width of the width of rear joint 401 or front connector 402 about equally or shorter than it.In addition, also can make the width of short side direction of suction inlet forming portion 426 and the Breadth Maximum of tube connector 300 about equally or shorter than it.In addition, the Breadth Maximum of tube connector 300 is formed at connecting portion 305.Thus, when inhalation apparatus 100 is coordinated and held with the side of extension tube 13, because suction inlet forming portion 426 can not given prominence to and become obstruction, therefore improved the property held.In addition, if user becomes along the mode of the axial direction of rear joint 401 and front connector 402 and rotates suction inlet forming portions 426 with respect to front connector 402 with the long side direction of suction inlet forming portion 426, make suction inlet forming portion 426 become roughly I word shape, can clean the narrow gap of depths.In addition, if user becomes with the mode of the axial vertical direction of rear joint 401 and front connector 402 and rotates suction inlet forming portions 426 with respect to front connector 402 with the long side direction of suction inlet forming portion 426, suction inlet forming portion 426 is rotated as T word shape roughly, can widen cleaning face, owing to can more cleaning the cleaning face of user's fore-and-aft direction (reciprocating direction of front and depths), the number of times of walking about before and after therefore can reducing, thus sweeping efficiency can be improved.In addition, because the width of the long side direction of suction inlet forming portion 426 is shorter than the long side direction of sucking mouth 14, therefore can clean the unapproachable gap of sucking mouth 14.In addition, owing to comparing the rubbing surface of direction to the left and right with I word shape roughly, reduce, so drag reduction, thereby the load of user to handle can be reduced.

The hole portion 421 of anticreep projection 306 in the barrel shape portion 406 of rear joint 401 with the leading section of the blade body 302 of accepting to be positioned at tube connector 300.By the leading section of blade body 302 (connecting portion) is inserted in barrel shape portion 406, make (the inner surface butt of the outer surface of the leading section of blade body 302 and barrel shape portion 406) in anticreep projection 306 embedded hole portions 421, tube connector 300 and rotating junction 400 are connected.Thus, user can easily connect, separated tube connector 300 and rotating junction 400.

Stereogram when Figure 25 represents suction inlet forming portion 426 separated.On suction inlet (opening) face of suction inlet forming portion 426, as the present embodiment, also can hairbrush 422 be set on the end face of notch, utilize this hairbrush 422, also can access sweep, the cleaning effect of wiping.The formation direction of hairbrush 422 can be the normal direction of the suction inlet face of suction inlet forming portion 426, also can expand more laterally than the normal direction of the suction inlet face of suction inlet forming portion 426.In addition, also can form the structure that suction inlet forming portion 426 is divided into hairbrush base 438 and suction inlet portion 437.That is to say, a plurality of cooperation claws 439 are set on hairbrush base 438, by coordinating claw 439 to embed suction inlet portion 437, can will coordinate claw 439 to be arranged in suction inlet portion 437.Thus, in hairbrush 422 wearing and tearing, while coming off by only changing hairbrush base 438, thereby can improve the maintainability of hairbrush portion.

Figure 26 represents hairbrush base 451 to be arranged on swingably the embodiment of the occasion in suction inlet portion 454, Figure 26 (A) represents the stereogram of suction inlet forming portion 450, Figure 26 (B) represents the D-D cutaway view of Figure 26 (A), Figure 26 (C) and Figure 26 (D) represent the E-E cutaway view of Figure 26 (A), stereogram when Figure 27 represents the decomposition of suction inlet forming portion 450.The suction inlet forming portion 426 of Figure 25 is embodiment that hairbrush base 438 does not swing with respect to suction inlet portion 437, and the suction inlet forming portion of Figure 26 and Figure 27 is the embodiment that hairbrush base 451 swings with respect to suction inlet portion 454.As shown in Figure 26 (B), the installation method of hairbrush base 451 and suction inlet portion 454 is the chimeric structure of utilizing between the bearing 455 that the two sides in the middle of the long side direction of turning cylinder 452 that the two sides in the middle of the long side direction of hairbrush base 451 possess and suction inlet portion 454 possess.The upper end of hairbrush base 451 forms in the opening of the bottom that is contained in suction inlet portion 454.Thus, hairbrush base 451 can swing the earth's axis and be supported in suction inlet portion 454 on the long side direction of hairbrush base 451, when using inhalation apparatus 100 or rotating junction 400, the suction inlet of hairbrush 453 (opening) face is with the top along air-conditioning or be not above etc. that the mode of curve of the cleaning face of plane swings, or swing in the mode along holding the uneven male and fomale(M&F)s such as upper surface of the different book of height on the shelf, the cleaning face of following, therefore can more effectively clean.But the face that possesses turning cylinder 452 is not limited to the long side direction two sides of hairbrush base 451, can be also the short side direction two sides of the short side direction two sides of hairbrush base 451 or the long side direction two sides of suction inlet portion 454 or suction inlet portion 454.Similarly, the face that possesses bearing 455 is not limited to the long side direction two sides of suction inlet portion 454, corresponding with the position that possesses turning cylinder 452, can be also one of short side direction two sides of the short side direction two sides of suction inlet portion 454 or the long side direction two sides of hairbrush base 451 or hairbrush base 451.In addition, the central authorities that position on the face of turning cylinder 452 and bearing 455 is not limited to each face (limit) are set, also can be configured to the arbitrary end in deflection two ends.

In the present embodiment, as shown in Figure 26 (C), hairbrush base 451 has the flange 457 that prevents wall 456 and expand laterally from the lateral surface of hairbrush base 451 to the leakage of suction inlet portion 454 upper surface directions extensions.Figure 26 (D) represents that hairbrush base 451 swings and the state to lopsidedness with respect to suction inlet portion 454.Now, rotation direction rear end side (right-hand member in figure) at hairbrush base 451, the upper surface of hairbrush base 451 apart from the lower end of suction inlet portion 454 farthest, but prevent that by forming to leak the upper end of wall 456 from approaching the lower end medial surface of suction inlet portion 454 most, can reduce from the air-breathing leakage between hairbrush base 451 and suction inlet portion 454, thereby can suppress the inhalation power decline from the lower openings of suction inlet forming portion 450.In addition, now in the rotation direction front (left end in figure) of hairbrush base 451, the upper surface of hairbrush base 451 approaches the upper surface of suction inlet portion 454 most, simultaneously, the side of hairbrush base 451 apart from the medial surface of suction inlet portion 454 farthest, but by forming flange 457 along the lower end of suction inlet portion 454, can reduce from the air-breathing leakage in the gap of hairbrush base 451 sides and suction inlet portion 454, thereby can suppress to decline from the inhalation power of suction inlet forming portion 450 lower openings.

Stereoscopic figure when Figure 28 represents the rotating junction of front 400 to be connected in handle operation portion 12.The barrel shape portion 406 of rotating junction 400 possesses upside and the downside shape corresponding with the connecting portion of handle operation portion 12 or the inner surface of extension tube 13, i.e. the R shape that 441，Gai auxiliary section, auxiliary section 441 has outer surface.Preferably the upside of the outer surface of auxiliary section 441 and downside are along with the little by little expansion in the axial direction towards rotation base body 407.The ratio auxiliary section 441 of barrel shape portion 406 is less than the profile of auxiliary section 441 (diameter of outer surface) by the profile (diameter of outer surface) of open side.And, the barrel shape portion 406 of rotating junction 400 and the barrel shape portion 205 of rear joint 201 insert the connecting portion of handle operation portion 12 or the inner side of extension tube 13 in the same manner, auxiliary section 441 and the connecting portion of handle operation portion 12 or the inner surface butt of extension tube 13, and the handling of being located in handle operation portion 12 or extension tube 13 are located in the recess 440 in barrel shape portion 406 with claw for anticreep (not shown) embedding of clip.Thus, connection of rotating connecting portion 400 and handle operation portion 12 or extension tube 13.Owing to not being connected on tube connector 300, can be using rotating junction 400 as inhalation apparatus, use, therefore lightweight and burden not, and can easily clean the place by the side of such as desk and highly low shelf.

Figure 15 represents to use inhalation apparatus 100 to clean the example of the upper surface equal-height position of furniture or refrigerator.Figure 14 is illustrated in the stereogram of the inhalation apparatus 100 of the state using in Figure 15.In Figure 14, the rotating junction 200 of handle side, middle tube connector 300 and the rotating junction 400 of front utilize connecting portion to be separately connected, and utilize anticreep projection and can easily not come off.Angle of rotation 45 degree are rotated in the rotating junction 200 of handle side, and utilize fixedly turned position of locking mechanism.Rotating junction 400 in front, the connecting portion 431 being formed by rotation section 408 and rotation base body 407 etc. rotates angle of rotation 45 degree, and by stopping, turned position is fixed as to a certain degree, in addition, by aixs cylinder rise 427 and the axle center of the connecting portion 432 that forms of connecting hole 423 with respect to tube connector 300 on turn to the position that suction inlet forming portion 426 is come downside.In addition, middle tube connector 300 is extended to the longest.As shown in figure 15, by one end of extension tube 13 is connected in handle operation portion 12, rotating junction 200 is connected on the other end of extension tube 13, can cleans the upper surface of furniture for example and the upper surface of common refrigerator.Handle operation portion 12 is positioned at the position lower than furniture 900, and one end of the extension tube 13 connecting therewith is also positioned at the position lower than furniture 900, and the other end of extension tube 13 (front end) is positioned at the top of furniture 900.Extension tube 13 becomes the state of the inclination in other end side direction.The tube connector 300 that the 200Yi Yu rotating junction, rotating junction 200 being connected with the other end of extension tube 13 connects rotates downwards along the mode of the upper surface of furniture 900.By this, rotate, tube connector 300 becomes along the state of the upper surface of furniture 900.In addition, rotate downwards towards the mode of the upper surface of furniture 900 with the leading section of front connector 402 rotating junction 400 being connected with tube connector 300, and the hairbrush 422 of being located at the leading section of front connector 402 contacts with the upper surface of furniture 900.Thus, can clean the upper surface of furniture and the upper surface of common refrigerator.In the occasion of the present embodiment, even be in 1800mm, the depth dimensions furniture 900 that is 600mm at height dimension, if handle operation portion 12 is risen to the height of 1200mm left and right, can easily be swept into the depths of the upper surface of furniture 900.Now, although be difficult to catch cleaning face in the visual field, but as shown in figure 26, in the occasion that is made as the structure of the front end swing that can make rotating junction 400, by hairbrush base 451, swing, suction inlet (opening) face is followed cleaning face, can reduce residual rubbish, thereby can more effectively clean.

In the present embodiment, by the rotating junction 200 of a plurality of handle side and such rotating junction, rotating junction 400 of front are set, the height and position of handle operation portion 12 is positioned at the position lower than the swept surface of eminence, thereby little to the burden of user's wrist.In addition, owing to stretching between rotating junction, therefore also can the short eminence of corresponding depth dimensions.

In addition, if making in use the rotating junction 200 of handle side rotates, although need in the prior art inhalation apparatus 100 to move near the handle of easy reinforcing, utilize a handgrip to hold tube connector 300, utilize another handgrip to hold extension tube 13 afterburning, but in the present embodiment, owing on the rotating junction 200 in handle side, locking mechanism being set, there is no need to apply large power when it is rotated, the hand of therefore controlling handle operation portion 12 can be kept intact, utilize the another hand state that unlocks, suction inlet front end (for example suction inlet forming portion 426) can be pressed in lightly and on cleaning face, make its rotation.At this, the inhalation apparatus 100 of using due to dust catcher also can be connected with the connecting portion of handle operation portion 12, does not therefore connect extension tube 13 and also can use.In addition, method of attachment is not limited to utilize the method for anticreep projection, also can be configured to and is threaded or clamps connection, thereby be made as firmly, connects.

In addition, as shown in figure 16, the rotating junction 200 of handle side, the tube connector 300 of centre and the rotating junction 400 of front are also separable.Although these parts utilize anticreep projection and can easily not come off, but also can not connect and use, if for example do not connect the rotating junction 400 of front, can also arrive the unapproachable narrow gap of width with the rotating junction 400 of front, in addition, if connect short suction inlet (not shown) on the rotating junction 200 of handle side, be suitable for cleaning and locate by the side of.

Rotating junction 400 hairbrush 422 downward the state of side (Fig. 1, Figure 14, Figure 15, Figure 16) under the state being connected with tube connector 300, as shown in figure 17, also can by the rotating junction of front Shang Xia 400 (left and right) install on the contrary, to become under the state being connected with tube connector 300 hairbrush 422 towards the state of upper side.That is to say, load and unload freely with respect to tube connector 300 rotating junction 400, so that rotate to different directions with respect to tube connector 300 rotating junction 400.By rotating junction 400 is connected above-below direction (left and right directions) on the contrary with respect to tube connector 300, can make rotating junction 400 different with respect to the rotation direction of tube connector 300, thereby the scope that can clean broaden.

In the present embodiment, if hairbrush 422 is towards upper side under the state being connected with tube connector 300, as shown in figure 18, can also clean such as ceiling 800 grades cleanings facing under place, and owing to stretching, therefore can also clean the ceiling face in the narrow space with the degree of depth that cannot arrive because of interference extension tube 13 grades such as furniture 900 between rotating junction.Now, furniture 900 grades cover sight line, be difficult to catch cleaning face in the visual field, but as shown in figure 26, occasion being made as the front end swing that can make rotating junction 400, swings by hairbrush base 451, and suction inlet (opening) face is followed cleaning face, reduce residual rubbish, thereby can more effectively clean.

Handle operation portion 12 is positioned at the position lower than ceiling 800, and one end of the extension tube 13 connecting therewith is also positioned at the position lower than ceiling 800, and the other end of extension tube 13 (front end) is positioned near ceiling 800.Extension tube 13 becomes the state of the inclination that the other end makes progress.The tube connector 300 that the 200Yi Yu rotating junction, rotating junction 200 being connected with the other end of extension tube 13 connects rotates downwards along the mode of ceiling 800.By this, rotate, tube connector 300 becomes along the state of the lower surface of ceiling 800.In addition, rotate towards the mode of ceiling 800 upward with the leading section of front connector 402 rotating junction 400 being connected with tube connector 300, and the hairbrush 422 of being located at the leading section of front connector 402 contacts with ceiling 800.Thus, can clean ceiling 800.And, even be positioned at the ceiling 800 of the top of furniture 900, also do not interfere with furniture 900, and can avoid and the contacting of furniture 900, and carry out the cleaning of ceiling 800.In the occasion of the present embodiment, even in the ceiling 800 that is 2200mm at height dimension, if the height that handle operation portion 12 is risen to 1400mm left and right can easily carry out the cleaning of ceiling 800.

In addition, in the present embodiment, as shown in figure 19, even if narrow space and the unapproachable gap with the degree of depth of extension tube 13 between the belows of desk 1000 etc. and floor also can be cleaned.In this occasion, the rotating junction 200 being connected with tube connector 300 is mounted to the state shown in Figure 14, Figure 15, Figure 18 and is rotated on the contrary up and down.In Figure 14, Figure 15, Figure 18, the rotating junction 200 being connected with extension tube 13 so that the mode that tube connector 300 rotates downwards with respect to extension tube 13 connect.In Figure 19, in contrast, the rotating junction 200 being connected with extension tube 13 so that the mode that tube connector 300 rotates upward with respect to extension tube 13 connect.Now, desk 1000 grades cover sight line, be difficult to catch cleaning face in the visual field, but as shown in figure 26, be made as the occasion that makes the swingable structure of the front end of rotating junction 400, by hairbrush base 451, swinging, suction inlet (opening) face is followed cleaning face, reduce residual rubbish, thereby can more effectively clean.

Handle operation portion 12 is positioned at the position higher than desk 1000, and one end of the extension tube 13 connecting therewith is also positioned at the position higher than desk 1000, and the other end of extension tube 13 (front end) is positioned near the floor 1300 of below.Extension tube 13 becomes the state of the inclination under other end side direction.The tube connector 300 that the 200Yi Yu rotating junction, rotating junction 200 being connected with the other end of extension tube 13 connects is along mode axially the rotating upward with respect to extension tube 13 of floor 1300.By this, rotate, tube connector 300 becomes along the state of floor 1300.In addition, rotate downwards towards the mode of floor 1300 with the leading section of front connector 402 rotating junction 400 being connected with tube connector 300, and the hairbrush 422 of being located at the leading section of front connector 402 contacts with floor 1300.Thus, can cleaning floor face 1300.

In addition, with regard to 200Ji rotating junction, rotating junction 400, if not when being connected with handle operation portion 12 or extension tube 13, utilization is formed at the recess 218 in the barrel shape portion 205 of the rotating junction 200 shown in Figure 16 and Figure 17 and is formed at recess 440 in the barrel shape portion 406 of rotating junction 400 accepts to be located at the claw for anticreep (not shown) of clip for handling in handle operation portion 12 or extension tube 13, but taper is chimeric, can also be connected to and there is no anticreep with in the extension tube and operating handle of claw, thereby can not need special-purpose attaching parts.

In the chimeric occasion of taper, inhalation apparatus 100 or rotating junction 400 can be arranged on up and down on the contrary to the opposite side of handle operation portion 12 or extension tube 13.Even in this occasion, also can access the effect of above-mentioned the present embodiment.

According to above the present embodiment, due to a plurality of rotating junctions being set on inhalation apparatus 100, on rotating junction, possess blocking mechanism and locking mechanism, therefore can be in use fixing rotational angle reliably, when adjusting angle, easily rotate, the occasion that applies excessive power under lock-out state can unlock.In addition, owing at least one of rotating junction can being arranged on the tube connector of being located between rotating junction up and down on the contrary with respect to tube connector, even if the ceiling face in the narrow space with the degree of depth that therefore cannot arrive because of interference extension tubes such as furniture also can clean.In addition, due to capable of expansion and contraction between rotating junction (joint), depths that therefore can corresponding various eminences.In addition, due to inhalation apparatus 100, can be arranged on the contrary up and down another of handle operation portion 12 or extension tube 13 distolateral upper, though therefore desk below wait and floor between narrow space and the unapproachable gap with the degree of depth of extension tube also can clean.In addition, owing to can making the hairbrush base of suction inlet forming portion swing, even therefore eminence and ceiling face, desk below etc. have the narrow space of the degree of depth, by suction inlet (opening), follow cleaning face, can reduce residual rubbish, thereby can more effectively clean.In addition, the suction inlet forming portion 426 of the front end of inhalation apparatus 100 can be directly installed on to handle operation portion or extension tube another is distolateral, by being made as roughly T word shape, can increase the cleaning face of direction forwards, backwards, and can reduce rubbing surface at left and right directions, therefore can reduce the burden to handle side.

Claims (8)

1. an electric dust collector, possesses: the main body of dust collector with electric blower and debris collection section; The flexible pipe that one end can be connected with above-mentioned main body of dust collector; The handle operation portion that one end can be connected with the other end of above-mentioned flexible pipe; The extension tube that one end can be connected with the other end of this handle operation portion; And the sucking mouth of the roughly T word shape that can be connected with the other end of above-mentioned extension tube, it is characterized in that,

Possess can with another distolateral inhalation apparatus being connected of above-mentioned handle operation portion or above-mentioned extension tube,

Above-mentioned inhalation apparatus forms and utilizes a plurality of articulation mechanisms can be crooked,

On at least one above-mentioned articulation mechanism, be provided with locking mechanism, this locking mechanism can lock and remove crooked locking by user's operation bending,

The articulation mechanism that is provided with above-mentioned locking mechanism has runner in the inside of this articulation mechanism,

The turning cylinder of above-mentioned articulation mechanism and above-mentioned locking mechanism are formed at the outside of the wall of the above-mentioned articulation mechanism that forms above-mentioned runner,

The either party who forms the locking projection of above-mentioned locking mechanism and the butt side of lock slots is inclined plane.

2. electric dust collector according to claim 1, is characterized in that,

Above-mentioned locking mechanism possesses by user's operation removes the disengage button of crooked locking and the boosting mechanism to locking direction reinforcing to above-mentioned disengage button.

3. electric dust collector according to claim 2, is characterized in that,

Above-mentioned disengage button is formed on a joint of above-mentioned articulation mechanism,

Above-mentioned locking mechanism possesses at least one locking projection being formed on above-mentioned disengage button and is formed on another joint of above-mentioned articulation mechanism and the lock slots corresponding with above-mentioned locking projection,

Above-mentioned locking mechanism in the situation that above-mentioned disengage button along the rotating shaft direction of above-mentioned articulation mechanism, move, the chimeric disengaging of above-mentioned locking projection and above-mentioned lock slots and unlocking, and, by above-mentioned disengage button, utilize above-mentioned boosting mechanism to return, above-mentioned locking projection and above-mentioned lock slots are chimeric and lock.

4. electric dust collector according to claim 2, is characterized in that,

Above-mentioned disengage button is formed on a joint of above-mentioned articulation mechanism,

Above-mentioned locking mechanism possesses on another joint that is formed at the lock slots on above-mentioned disengage button and is formed at above-mentioned articulation mechanism and at least one locking projection corresponding with above-mentioned lock slots,

Above-mentioned locking mechanism in the situation that above-mentioned disengage button along the rotating shaft direction of above-mentioned articulation mechanism, move, the chimeric disengaging of above-mentioned locking projection and above-mentioned lock slots and unlocking, and, by above-mentioned disengage button, utilize above-mentioned boosting mechanism to return, above-mentioned locking projection and above-mentioned lock slots are chimeric and lock.

5. electric dust collector according to claim 2, is characterized in that,

Above-mentioned locking mechanism possesses the lid that covers above-mentioned disengage button,

Above-mentioned lid is formed on another joint of above-mentioned articulation mechanism,

Above-mentioned lock slots is formed on above-mentioned lid.

6. electric dust collector according to claim 3, is characterized in that,

Bearing surface between above-mentioned locking projection and above-mentioned lock slots with respect to the rotating shaft direction of above-mentioned articulation mechanism tilt regulation angle and form.

7. electric dust collector according to claim 1, is characterized in that,

Above-mentioned inhalation apparatus possess can with another distolateral tube connector being connected of above-mentioned handle operation portion or above-mentioned extension tube and the second sucking mouth of the roughly T word shape that can be connected with above-mentioned tube connector,

Above-mentioned the second sucking mouth possesses the hairbrush portion on the peristome of a side contrary with above-mentioned tube connector side that is formed at the suction inlet portion of above-mentioned tube connector side and is formed at above-mentioned suction inlet portion,

Said brush portion forms and can swing with respect to above-mentioned suction inlet portion.

8. electric dust collector according to claim 7, is characterized in that,

Said brush portion can take the long side direction pars intermedia of said brush portion and with respect to above-mentioned suction inlet portion, swing as fulcrum.

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