CN101677729A

CN101677729A - Nozzle unit with variable geometry for vacuum cleaners in general

Info

Publication number: CN101677729A
Application number: CN200880007077A
Authority: CN
Inventors: P·米兰米斯朗
Original assignee: OULEFU (ITALY) CO Ltd
Current assignee: OULEFU (ITALY) CO Ltd; Euroflex SRL
Priority date: 2007-03-16
Filing date: 2008-03-13
Publication date: 2010-03-24
Anticipated expiration: 2028-03-13
Also published as: ITPD20070096A1; WO2008114301A1; WO2008114301B1; CN101677729B

Abstract

It is a new nozzle unit (B) formed by a main rotating body (C) with a generically triangular shape on which three radial spokes (R) are pivotally attached that can rotate around said main body while remaining always in contact with the floor. Each spoke (R) has one or more elastic elements (E) suitable to keep the spokes (R) in a generically y-shaped configuration. The main body (C) is provided with a coupling (A) on its upper part to both connect the suction pipe and to enable the main body (C) to make a full rotation horizontally with reference to the coupling (A). Each spoke (R) is hinged to said main body (C) and the rotation of the main body (C) around the coupling (A) enables the new nozzle unit (B) to adjust to the various operational situations and to various possible obstacles soas to avoid that the user makes any manoeuvre with the pipe with handle.

Description

The nozzle unit with variable geometry that the universal vacuum dust catcher is used

Technical field

The present invention relates to home-use cleaning household electrical appliance articles for use, specifically, is the annex of using about vacuum cleaner.

Background technology

Domestic suction cleaner contains various accessories such as the flexible pipe of handle and Outer Tube thereof, the above-mentioned handle of connection and vacuum cleaner main body usually, and suction fan and disposal box are housed on the vacuum cleaner main body.

At present, vacuum cleaner is furnished with the auxiliary that cleaning floor and carpet are used usually, as nozzle unit.Nozzle unit comes down to rectangular planar structure, and its top links to each other with connector by adapter, is fixed with the suction line of band handle in the connector.The lower part of nozzle unit can be loaded onto some brushes, is contained in the front and back usually, in order to the timber floor or the floor tile of clean, smooth.These brush regractings, so that nozzle unit can be better to coarse surface, for example: mat and carpet clean.Some known nozzle units are the suction pipes that come the connecting band vacuum cleaner handle by hinged, and its articulated elements is formed by two pivot connectors: first parts fascinate whole articulated elements by the handle that vertically repeatedly rocks back and forth; And another dihedral parts are used for handle side to---controlling to the left or to the right, thereby pipe is fascinated with respect to first parts of connector.This known nozzle unit has a shortcoming, between two barriers that can not enter narrow space exactly or suffer very closely mutually, for example: between the furniture leg that two are got close to placement.At this moment, the user can forward sweep-up pipe to the position that nozzle unit is laterally placed, and makes it to enter the narrow gap dust suction.Except the user need adopt complicated cumbersome action, this way can't clean the narrow space (that is: distance space the lateral edge of suction nozzle and sweep-up pipe between) of space less than the nozzle unit lateral dimensions; Clean in order to walk around single barrier (for example: table leg, vase or umbrella stand), known nozzle unit needs the user sweep-up pipe with the handle band of vacuum cleaner and the nozzle unit package unit arrives the position that will clean.

As a same reason, in the time of need dropping into the row cleaning along wall and diagonal angle, the user has to a plurality of actions nozzle unit be adjusted to correct orientation, and nozzle unit is moved in zone, place or the stick that will clean.

Some patents are arranged, for example: GB2402329 and GB2407259, the nozzle unit that previous section is formed by two elements has been described, these two elements are hinged to the middle front part position of nozzle unit, and each element all can be to 45 ° of nozzle unit back rotations.This nozzle unit can the clean room corner, but is not easy the cut-through thing, for example: the platform pin, the room is cleaned, also be not easy to enter narrow space and clean.

U.S. Pat 3608126 has been described a kind of nozzle unit that has two flanks, and two flanks can rotate into narrow space backward.But this nozzle unit still needs a plurality of actions the room to be cleaned the cut-through thing.

Summary of the invention

In order to overcome these shortcomings, the present invention has manufactured and designed the nozzle unit with variable geometry that a kind of universal vacuum dust catcher is used; We develop the nozzle unit with variable geometry that this universal vacuum dust catcher uses also can drop into the accurate cleaning of row along floor and diagonal angle; Another purpose of the nozzle unit with variable geometry that this universal vacuum dust catcher is used is to make nozzle unit can enter narrow space to clean, and need not force the user to clean with special action.It is but that the obstacle thing cleans the floor that the nozzle unit with variable geometry that this universal vacuum dust catcher is used also has a purpose, and need not the user clean with special action.

These and other directly or indirectly as can be known purpose all from this by rotating main body and the use of going up the deformable suction nozzle that universal vacuum dust catcher that hinged three radial spokes form uses.

This main body is the shape of common equilateral triangle or isosceles triangle, and a connector that links to each other with sweep-up pipe is arranged at its top, has the handle of vacuum cleaner on the sweep-up pipe.This connector is except the mechanical connection effect, and also the inside of main body with the band sweep-up pipe is connected, and, make main body do the rotation of complete level with respect to connector, sweep-up pipe is fascinated with respect to a whole set of nozzle unit.The main body of the nozzle unit with variable geometry that this universal vacuum dust catcher is used has opening member to link to each other with each spoke with transfer tube, thereby also links to each other with the sweep-up pipe of vacuum cleaner.

Each spoke is formed with upper opening spare by linear basically, this opening member one end sealing, and the other end is uncovered.

The above-mentioned openend of each spoke all is hinged to aforementioned body, and vertex of a triangle is a tie point, so that can be around main body " rotation " when contacting with the floor.

Scheme is preferably, and the low opening member of each spoke is linear rectangular shape, and long side direction wherein can assemble one or more brushes and dust collect plant thereof on the length direction of spoke.

And, one or more elastic components are arranged, with so that spoke remains on the normal position on each spoke; Another kind of scheme is, connects each spoke with an elastic component, by main body above-mentioned spoke remained on the normal position.

When being positioned at the normal position, spoke is positioned on the hatching of position, nozzle unit main body triangle angle.

In the preferred example, body shape is an equilateral triangle, and at this moment, the position of spoke is mutually 120 degree angles, and connector is positioned at the central authorities of main body, is the crosspoint of three spoke directions.

Spoke on main body rotation and main body around the rotation of connector, make the nozzle unit with variable geometry that this universal vacuum dust catcher uses to adjust its duty and to adapt to various barrier according to different situations, need not the user and be with pipe to do exercises to clean with handle.The nozzle unit with variable geometry of using when this universal vacuum dust catcher is pasting the continuous lines barrier, and during as wall, spoke is pulled away from original position before making by rotating backward, until two spokes each other basically linearly, and and the body edge between them be a straight line.At this moment, these two spokes and main body just can clean wall or continuous barrier.

When the nozzle unit with variable geometry of using when this universal vacuum dust catcher need be used for cleaning narrow space, one of them spoke and nozzle unit together moved forward, and two spokes lay respectively at trailing flank in addition.Before spoke when entering narrow space, other two spokes are to palintrope, thereby become width minimum the preceding.The minimum widith of this nozzle unit with variable geometry is the distance that is hinged between two spoke ends of main body.When this nozzle unit moves forward, and with not therein the barrier of heart position (for example: when table leg) contacting, this nozzle unit will rotate, in case of necessity, the also rotatable spoke barrier that coincide, and, be located substantially on the back of nozzle unit up to barrier around above-mentioned barrier rotation.Afterwards, it is enough far away that in a single day nozzle unit leaves barrier, and the spoke that rotates away just is withdrawn on the original position by above-mentioned elastic component.

Control an element or mechanism by the user and lock mutual rotation between main body and the connector, for example: directly control by handle, a control lever device perhaps is set on the main body of this nozzle unit, select it is fixed on a certain ad-hoc location by the user, to prevent or nozzle unit is freely rotated.Latched position with two following main positions is: it is identical with the moving direction of nozzle unit that the nozzle unit with variable geometry that this universal vacuum dust catcher of the first is used has a spoke to be expected, the another location is that two spokes are positioned at leading flank generally speaking, and the 3rd spoke is positioned on the rightabout of this nozzle unit moving direction.

Can there be a baffle element to be arranged at the inside of main body, fixes, perhaps as the part of main body, so that cut off aforementioned body and back connecting between spoke by connector.Adopt this mode, the dust catcher power concentration the front side to two spokes on, and traction and is not used on this position or another spoke of not onset.

It is also foreseen that one of them spoke can choose different length, it is long or shorter promptly to compare with other two.

Description of drawings

Fig. 1 a is the horizontal cross-section O-O schematic diagram of the nozzle unit with variable geometry (B) used of universal vacuum dust catcher of the present invention.

Fig. 1 b is the vertical cross-section V-V schematic diagram of the nozzle unit with variable geometry (B) used of universal vacuum dust catcher of the present invention.

Fig. 2 represents the situation that nozzle unit with variable geometry (B) that this universal vacuum dust catcher uses uses along wall (M).

Fig. 3 represents nozzle unit with variable geometry (B) that this universal vacuum dust catcher the uses operating position at narrow space.

Fig. 4 a, 4b, 4c, 4d, 4e represent that nozzle unit with variable geometry (B) that this universal vacuum dust catcher is used meets the operating position of non-centrosymmetry barrier.

Adjustment and rotation order when Fig. 5 a, 5b and 5c represent that nozzle unit with variable geometry (B) that this universal vacuum dust catcher is used meets symmetrical barrier.

The specific embodiment

The characteristics of the nozzle unit with variable geometry that can use this universal vacuum dust catcher with reference to schematic diagram are done more clearly to further describe, but characteristics of the present invention are not limited to these examples.

Shown in Fig. 1 a and 1b, (R3), this figure has also indicated the direction that nozzle unit with variable geometry (B) that this universal vacuum dust catcher uses moves ahead for R1, R2 wherein to have indicated main body (C) and three spokes.

Main body (C) is the equilateral triangle shape basically, and (C1, C2 have casing and spoke (R1, R2, swivel base R3) (Cr) on C3) on the summit.

Aforementioned body (C) is empty basically, and cabin (Cc) in is wherein arranged, and (casing R3) is connected with swivel base (Cr) for R1, R2 with spoke by opening or carrier pipe (Ca).

The upper articulation of main body (C) is fixed with connector (A), wherein has the sweep-up pipe of vacuum cleaner.

(R1, R2 R3) are made up of linear the hollow member with the bottom each spoke basically, and this hollow object has a blind end (Re) and an openend (Ra), and openend (Ra) is installed in the swivel base (Cr) of main body (C), and can rotate therein.

Best is that (R3) groove that interior panelling or wallboard (Rt) is all arranged and be movably installed in the bottom keeps brush or other dust collect plant to each spoke in it for R1, R2, outer enclosed wall, connection opening end (Ra) formation vacuum chamber (Rc).

This vacuum chamber (Rc) is spoke (R1, R2, dust suction zone R3).

(R3) connection between makes that (R1, R2 R3) all can rotate around same axle each spoke, and this axle is parallel to the vertical axis of main body (C) for R1, R2 for main body (C) and spoke.In fact, the main body (C) of the nozzle unit with variable geometry of using when this universal vacuum dust catcher (B) is placed on the floor, and when contacting with the floor always, then be installed on each spoke in the main body (C) around its end (Rc) to a spoke or another spoke (R1, R2 R3) rotates.

Each spoke (motion amplitude R3) is no less than 120 ° for R1, R2, and so that any two spokes (R1, R2, R3) close mutually, up to parallel to each other and be parallel to and be positioned at entopic the 3rd spoke (R3), as shown in Figure 3.

With suitable elastic component (E), for example: extension spring, helical spring, around property plastic components etc., (R1, R2 R3) are returned to above-mentioned normal position, make on its angular bisector that remains on triangular shaped body (C) to make each spoke.

Connector between vacuum cleaner main body and suction pipe (A) preferably by two mutually hinged parts (A1 A2) forms, wherein:

-one parts (A1) can wind perpendicular to the leg-of-mutton axle of main body (C) (Z) (axle hangs down) and rotate, thereby (R1, R2 R3) can rotate fully around this connector for main body of making (C) and spoke.

-another parts (A2) wind on above-mentioned first parts (A1) perpendicular to the rotating shaft X-axis (trunnion axis) of first parts (A1) and rotate, thereby suction pipe can be fascinated with respect to main body (C) and floor.

Hence one can see that: above-mentioned connector (A) has a wallboard or baffle plate (A3), vertically is installed on usually in the central chamber (Cc) of main body (C).

Shape, size and the position of above-mentioned wallboard or baffle plate (A3) make it to close the openend (Ra) of the spoke (R3) that traction, and look and be positioned on the mobile rightabout of nozzle unit with variable geometry (B) that this universal vacuum dust catcher uses.Like this, (R1 R2) depresses this suction inlet, thereby has increased soakage by the spoke of other two front sides generally speaking.

Thereby as can be known: between main body (C) and connector (A), an element or mechanism are arranged, in order to prevent relatively moving between the two.This connector can be by the user directly by handle or the control bar that is installed on the main body (C) of the nozzle unit with variable geometry (B) that the universal vacuum dust catcher uses control, therefore, the user can select to stop nozzle unit device (B) freely to rotate or make it and rotate, and it is fixed on the certain location.

Two main locked positions preferably are set between connector (A) and main body: one of them position can make two spoke (R1, R2) generally speaking in the front side, the 3rd spoke (R3) look with the mobile direction of this nozzle unit (B) on same direction.

Be illustrated in figure 2 as the situation that the present invention uses along wall (M), (R1, rotation R2) makes the main body (C) of this nozzle unit (B) be positioned on the position by wall (M) for two preceding spokes.At this moment, two preceding spoke (R1, R2) and main body (C) clean along wall with to the floor; The main body that promotes this nozzle unit (B) simply relies on each sidewalls (M) respectively, just can clean.

Be the operating position of the present invention at narrow space as described in Figure 3: with two furniture legs (G) that lean on very closely mutually is example, this nozzle unit (B) is by turning to one of them spoke (Ri) orientation on the direction of narrow space, make this nozzle unit (B) enter into above-mentioned space, when this nozzle unit (B) when entering narrow space, spoke (the R1 that looks at trailing flank during two beginnings, R2) rotate backward, parallel to each other until them, and spoke (R3) looks and moves forward.Like this, the preceding spoke that moves forward can enter into minimum space, and this distance is not more than the longest edge size of main body.

As Fig. 4 a, 4b, 4c, 4d, 4e are depicted as the operating position that the present invention meets the non-centrosymmetry barrier, for example: adjustment and rotation order during furniture leg etc.

---when spoke (R2) when main body (C) arrives maximum rotated position, coincide with barrier (G), it is just as a movable pivot axis, make main body (C) and other two spokes (R1, R3) rotation is (as Fig. 4 c, 4d);

---in a single day crossed barrier (G) when this nozzle unit (B), the spoke that rotates away (R2) just is withdrawn into (Fig. 4 e) on the original position by elastic component with it.Adjustment and rotation order when Fig. 5 a, 5b and 5c represent that this nozzle unit (B) meets symmetrical barrier.At this moment, (R1, R2 R3) have replaced the effect of main body (C) to be actually spoke.As mentioned above, this nozzle unit (B) used of vacuum cleaner has obvious superiority.

This nozzle unit (B) no matter along the floor still in the position, corner, can both clean accurately, and need not that the user does various special operations or mobile nozzle unit (B) is reorientated.

This nozzle unit (B) can easily enter narrow space, even dark and narrow space, and need not that the user does various special operations or mobile nozzle unit (B) is reorientated.

The nozzle unit with variable geometry (B) that this universal vacuum dust catcher is used can be walked around the barriers such as leg, vase or umbrella shank of tables and chairs simply, can walk around these barriers to clean accurately, does exercises or controls and need not the user.

This specification is to simple declaration of the present invention, is enough to make those skilled in the art can implement the present invention, and, can also make various changes not breaking away under the creation of the present invention design prerequisite.

Claims (according to the modification of the 19th of treaty)

1, the nozzle unit with variable geometry (B) used of a kind of universal vacuum dust catcher, it connects the suction pipe of vacuum cleaner by connector (A), described nozzle unit comprises a hollow body (C) that is hinged to described connector (A), be hinged with three spoke (R1 on it, R2, R3), described spoke generally is linear, hollow, bottom opening, and be arranged in Y shape on every side in described main body (C) usually, it is characterized in that: described spoke links to each other with the interior cabin (Cc) of main body (C), and can rotate with respect to described main body (C) copline; And described connector (A) and described main body (C) can be rotated each other around the vertical central axis of connector (A).

2, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: described each spoke (R1, R2, R3) blind end (Re) and an openend (Ra) are all arranged, the latter is connected together by swivel base (Cr) on the main body (C) and main body (C), and described openend (Ra) can rotate around main body cover.

3, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: described main body (C) is generally triangle, (R1, R2 R3) are hinged on the ad-hoc location (Cr) on leg-of-mutton three summits of described main body (C) described spoke.

4, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1 is characterized in that: (R1, R2 R3) lay respectively on the direction of angular bisector of described triangular shaped body (C) described spoke under normal conditions.

5, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: described each spoke (R1, R2, R3) blind end (Re) and an openend (Ra) are all arranged, openend (Ra) is connected in the swivel base (Cr) of main body (C) and can rotates therein, and is connected with the interior cabin (Cc) of aforementioned body (C); (R1, R2 R3) all have a groove that is made of Internal baffle or wallboard (Rt) to described each spoke, and brush or other dust collect plant are housed in the described groove, make wallboard and openend (Ra) constitute a vacuum chamber (Rc).

6, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: (R1, R2 R3) have one ± 60 ° removable space to described spoke in the swivel base (Cr) of main body (C).

7, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: three swivel bases (Cr) of described main body (C) are arranged in the shape of equilateral triangle.

8, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: three swivel bases (Cr) of described main body (C) are arranged in the shape of isosceles triangle.

9, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: described main body (C) is provided with one or more elastomeric elements (E) and makes spoke (R1, R2 R3) keeps or it is returned in the radial position of connector (A).

10, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: described main body (C) is provided with one or more elastic components (E) and makes above-mentioned three spoke (R1, R2, R3) angle between any two keeps or it is returned to 120 °.

11, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: (length R3) is identical for R1, R2 for described spoke.

12, the nozzle unit with variable geometry of using according to each described universal vacuum dust catcher among the claim 1-10 (B) is characterized in that: (R1, R2 R3) have at least one to be that length is different to described spoke.

13, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: described connector (A) is positioned at the leg-of-mutton centre position of aforementioned body (C).

14, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1 is characterized in that: described connector (A) is not or not the leg-of-mutton centre position of aforementioned body (C).

15, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: a wallboard or baffle plate (A3) are set on the described connector (A), this baffle plate vertically is installed in the interior cabin (Cc) of main body (C), the openend (Ra) of shape, size and the position of described wallboard or baffle plate (A3) and a spoke (R) adapts, and makes its openend of completely or partially closing this spoke (R) (Ra).

16, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: above-mentioned wallboard or baffle plate (A3) are closed the openend (Ra) of the spoke (R3) that traction wholly or in part, and the direction of spoke (R3) is opposite with the moving direction of this nozzle unit (B).

17, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1 is characterized in that: one or more element or mechanisms of rotating each other of being used for preventing are set between described main body (C) and the described connector (A).

18, the nozzle unit with variable geometry (B) used of universal vacuum dust catcher according to claim 1, it is characterized in that: one or more element or mechanisms that are used for preventing rotation each other are set between described main body (C) and the above-mentioned connector (A), and this element or mechanism can be controlled by control lever by the user.

19, the nozzle unit with variable geometry of using according to claim 17 or 18 described universal vacuum dust catchers (B), it is characterized in that: describedly be used for preventing that the element or the mechanism that rotate can be locked between main body (C) and the connector (A), the both sides that spoke (R1, R2) looked be positioned at this nozzle unit (B) moving direction also keep forward direction, and spoke (R3) looks opposite with the moving direction of this nozzle unit (B).

20, the nozzle unit with variable geometry of using according to claim 17 or 18 described universal vacuum dust catchers (B), it is characterized in that: describedly be used for preventing that the element or the mechanism that rotate can be locked between main body (C) and the connector (A), on this position, the spoke (R3) on the nozzle unit (B) looks identical with the moving direction of this nozzle unit (B).

Claims

1, the nozzle unit with variable geometry (B) used of a kind of universal vacuum dust catcher, it connects the suction pipe of vacuum cleaner by connector (A), it is characterized in that: described nozzle unit comprises a hollow body (C) that is hinged to described connector (A), usually be hinged with three spoke (R1 on it, R2, R3), spoke is linear, hollow, bottom opening, described spoke links to each other with the interior cabin (Cc) of main body (C), and can rotate with respect to described main body (C) copline; And (R1, R2 R3) are arranged in Y shape on every side in main body (C) to common described spoke; And described connector (A) and described main body (C) can be rotated each other around the vertical central axis of connector (A).