EP1981386A1 - Aspirateur avec deux coques en polypropylene expanse - Google Patents
Aspirateur avec deux coques en polypropylene expanseInfo
- Publication number
- EP1981386A1 EP1981386A1 EP07730843A EP07730843A EP1981386A1 EP 1981386 A1 EP1981386 A1 EP 1981386A1 EP 07730843 A EP07730843 A EP 07730843A EP 07730843 A EP07730843 A EP 07730843A EP 1981386 A1 EP1981386 A1 EP 1981386A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum cleaner
- rigid
- upper body
- lower body
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
Definitions
- the invention relates to the field of household appliances vacuum cleaners and more particularly the structure of a vacuum cleaner.
- the plastics used in the vacuum cleaners are as thin as possible so as to limit the weight of the apparatus, and reduce the effort required for handling the vacuum cleaner during its use, this manipulation being a major cause of fatigue, for example when floors are to be climbed or when stairs are to be cleaned.
- a first problem encountered during the manufacture of a vacuum cleaner is therefore the reduction of the weight of the device, this problem being a permanent concern for vacuum cleaner manufacturers.
- Vacuuming in the home is usually not a very pleasant task and therefore the appliance is used without care. It often happens that the device hits furniture, walls or various objects placed in the room to be cleaned. On this occasion, given the rigidity of the frame of the vacuum cleaner, the shocked part is often damaged.
- a third problem facing vacuum cleaner manufacturers is thus to combine good mechanical characteristics of the frame with possible shock absorption to limit the effects of imprudent handling.
- One solution to this problem can be found in particular by rubber bands surrounding, like a belt, the body of the apparatus. Such a solution generates a significant additional cost.
- a fourth problem that arises is to manufacture a vacuum cleaner whose materials can be easily, and if possible completely, recycled.
- the invention therefore aims to solve these major difficulties, ie aims to achieve a vacuum cleaner low weight, high strength, can absorb shocks and having a high "recyclability" at the end of life, while by being simple in the assembly of the various elements constituting it.
- the vacuum cleaner comprises a lower body and an upper body including in particular a motor-fan and a separating device. waste, characterized in that:
- the lower body and the upper body are made of expanded polypropylene
- At least one so-called upper rigid piece bears on the upper body, or is integrated in the upper body,
- At least one so-called lower rigid piece bears under the lower body, or is integrated with the lower body,
- At least one rigid connecting element is mechanically connected to at least one upper piece and a lower piece through the upper body and the lower body, in order to maintain compression of the upper and lower bodies.
- body of the device is meant the visible outer part of the device, which can take various names: housing, shell, frame ....
- Expanded polypropylene is formed of beads which are molded in the object using a press in the presence of steam.
- the PPE has multiple qualities: temperature resistance up to 110 0 C, excellent stability, lightness, impact resistance, ability to be recycled, etc. which makes it attractive.
- its low mechanical strength is currently only a complementary material when making subsets.
- the present invention thus can present constituent parts of the body of the vacuum cleaner, requiring a certain rigidity, strength and mechanical strength, made of EPP, which is not originally provided for this purpose.
- the present invention is particularly intended to simplify the method of assembly of an upper body on a lower body by compressing the upper body on the lower body by rigid parts supported under the lower body, or integrated in the lower body and on the upper body, or integrated in the upper body, which allows a simple implementation while allowing to control and adjust the deformation of the two bodies to achieve the seal between the upper body and the lower body without a specific seal .
- At least one connecting element is derived from one of the rigid parts.
- At least one connecting element is composed of two rods respectively issuing from a rigid piece resting on the upper body and a rigid piece resting under the body lower, said rods being mechanically linked to one another, either by screwing or clipping, or by any other means known as such.
- Another object of the present invention is to favor polypropylene in the choice of the plastic material.
- Another object of the invention is to use more than 90% of a single type of plastic material, polypropylene, throughout the body of the vacuum cleaner.
- Polypropylene can then be used in two forms: conventional polypropylene (PP) which has the conventional properties of plastics and expanded polypropylene (EPP).
- connection element or elements, as well as the rigid parts are made of unexpanded polypropylene (PP).
- the support of the upper rigid part on the upper body forms a plate covering at least 20% of the upper face of said body.
- the support of the lower part under the lower body comprises moving members of the vacuum cleaner. This simplification generates reductions in assembly costs and components.
- FIGS. 1 to 6 show a first implementation of the invention
- Figures 7 to 13 show a second implementation of the invention.
- Figure 1 is a perspective view of a vacuum cleaner according to a first embodiment of the present invention.
- Figure 2 is a perspective view of the upper and lower bodies of the vacuum cleaner.
- Figure 3 is an exploded perspective view of the upper and lower bodies of the vacuum cleaner.
- Figure 4 is a top view of the lower and upper bodies, voluntarily separated from each other.
- Figure 5 is an exploded view from below of the vacuum cleaner.
- Figure 6 is an exploded view of some parts of the vacuum cleaner.
- Figure 7 is a perspective view of an assembled vacuum cleaner according to a second embodiment of the present invention.
- Figure 8 is an exploded view of the various main parts of the vacuum cleaner.
- Figure 9 is a perspective view, from below, of certain parts of the vacuum cleaner.
- Figure 10 is a top view of the upper body of the vacuum cleaner.
- Figure 11 is an exploded perspective view of some parts of the vacuum cleaner.
- FIGS. 1 to 6 are views from two perspectives of some assembled parts of the vacuum cleaner.
- a vacuum cleaner 1 is conventionally constituted of a vacuum cleaner body inside which is housed a motor-fan (not shown). ) generating a suction force and an air flow from the end of a pipe to connect, through a pipe 4, in an opening 30 formed on the body of the vacuum cleaner, to the evacuation to the rear of the apparatus, by slots 34.
- the air flow passes through a housing 24 containing the filter bag dust recovery (not shown).
- the body of the vacuum cleaner consists of two main parts manufactured separately and then assembled one on the other:
- a lower body 20 having a housing 26 for the motor fan, a space 24 arranged for receiving the filter bag, a housing 28 for a reel 13 of electric cable, fitting for the organs of Maneuver such as wheels or wheels 10.
- the lower body 20 also has an insert 5 for connecting the tubing 4 for connecting the suction nozzle.
- a handle 22 is also formed in the lower body.
- the upper body also comprises a recess 46 for receiving an electronic control card.
- the upper body comprises a housing 42 of the motor-fan, extending to the lower body by partition walls 44 of the motor fan.
- a front portion 48 of the upper body carries, with the lower body, the housing 24 of the waste separation device. This imbrication of the two bodies in this part extending essentially horizontally allows the two bodies to be correctly positioned one on the other, and ensures a good support of the upper body. on the lower body.
- the constituent material of the body of the vacuum cleaner ie the lower body 20, the upper body 40 is made of expanded polypropylene (EPP).
- EPP expanded polypropylene
- the low mechanical strength of the EPP required considerably increase the thickness of the walls to have sufficient strength. Surprisingly, however, even if the volume of material required then causes a slightly larger vacuum cleaner than normal, the mass of plastic material can be greatly reduced, and the weight of the final vacuum can be halved.
- the smaller amount of material is also advantageous from an economic point of view since the vacuum cleaner is less expensive to manufacture.
- the high flexibility of the EPP allows for improved shock absorption compared to other plastics traditionally used to make vacuum cleaners.
- This great flexibility is associated, depending on the degree of expansion, an elastic memory of the material, which also has significant advantages in terms of assembly of the different complementary parts fitted to the body of the device. Indeed, it is thus possible to articulate for example the different lids without hinge and lock simply by deforming the material. This curious particularity also makes it possible to fix inserts, by interlocking, without difficulty.
- the different parts are thus assembled very tightly, which has a significant advantage for the suction efficiency of the fan motor and the efficiency of the various filter elements.
- the great flexibility of the EPP makes it possible to lock many pieces, inserts or electrical cables in the absorbent material without the possibility of movement, more particularly over time, particularly as a result of the vibrations of the motor-fan.
- This great tightness of the material itself avoids, or at least greatly limits the use of seals, especially at the suction channel, which is economical in terms of quantity of material and assembly time of the vacuum cleaner.
- the vacuum cleaner thus advantageously comprises at least one assembly between a part made of expanded polypropylene and another part, made by deformation of the expanded polypropylene part. This deformation may allow, in addition to the mechanical strength of the parts, to produce a seal.
- a lid 60 made of expanded polypropylene is disposed on the lower and upper bodies.
- This lid allows the closure of the housing of the dust bag.
- this cover can receive, in its thickness, various suction accessories such as small brush, suction lolly, etc.
- the holding of the upper body on the lower body is provided by connecting elements constituted by rods 12 bearing under the lower body 20 and engaging with a rigid part 80 disposed on the upper body 40.
- connecting elements constituted by rods 12 bearing under the lower body 20 and engaging with a rigid part 80 disposed on the upper body 40.
- the supports of the rods 12 under the lower body 20 are made by rigid parts 14 for the rods located at the rear, preferably associated with the wheels 10 of the vacuum cleaner.
- the rod 12 located at the front it is associated with the central wheel via a platform 11 to refocus the wheel relative to the entire vacuum, while providing a surface substantial support.
- the rods penetrate into openings 32 of the lower body 20, as clearly visible in FIG. 4 or 5.
- the actual assembly of the upper body on the lower body consists, according to the example shown, to screw the rods 12 into corresponding tubes 82 from the rigid piece 80, these tubes through advantageously a portion of the upper body 40 in three openings 50 shown in Figures 3 and 4.
- the screwing thus makes it possible to compress, by means of the rigid part 80, the upper body on the lower body, the relatively large deformation of the PPE, as previously described, making it possible to achieve sealing between the lower and upper bodies, without joints specific.
- the rigid piece 80 may have very different shapes and conformations, ranging from a piece covering substantially the entire surface of the upper body, as shown, to a more indented piece, promoting compression only around the tubes 82. It is even possible to consider the realization of several independent pieces.
- the support surface under the lower body can be provided by a plate more or less extended, like the rigid part 80. It is then possible to have a rigid part under the lower body and more punctual support points on the upper body.
- the rigid part has a housing 86 for a foam 84 for filtering the air leaving the fan motor, as well as the locations of the control buttons 6 and 8.
- the present invention is not limited to a connection between the upper body and the lower body in three points, other architectures that can be envisaged within the scope of the invention.
- the rods 12, or the tubes 82 can pass completely through the lower and upper bodies, the assembly then being produced by a nut or equivalent device, the principle being to compress the lower and upper bodies.
- LEDs, control and switching devices 6, 8, and the workpiece rigid 80, the tubes 12, the parts 14 and the rollers 10 will preferably be made of unexpanded polypropylene.
- the vacuum cleaner 100 according to the invention consists of a vacuum cleaner body composed of three main parts manufactured separately and assembled thereafter:
- a small lower body 200 having: a housing 220 of the lower part of the fan motor, or a location 222 for the rear operating members such as wheels or rollers 153, visible in FIGS. 12 and 13, where an air outlet 260 of the vacuum cleaner, o a housing 230 of the lower part of a winder 110 of electric cable,
- An upper body 400 important comprising: a space 402 arranged for receiving a filter dust bag, a housing 404 of the upper part of the cable winder 110, a location 406 for the operating members front (caster 155) of the vacuum cleaner, o a recess 408 housing the upper part of the fan motor, together with the housing 220 of the lower body 200, o an insert 405 for the connection of suction pipes, this insert cooperating with a bag support 407 disposed in the space 402.
- a rear body 500 comprising a large handle 502 for transporting the vacuum cleaner.
- the constituent material of the vacuum cleaner ie the upper body 400, the lower body 200, and the rear body 500
- the rear body 500 comprises a rigid frame 510 of unexpanded PP around which is molded a covering 513 expanded polypropylene, in order to be able to withstand a possible violent impact on said handle. Part of the frame thus forms a handle reinforcement of the vacuum cleaner.
- Such a framework 510 is clearly visible in Figure 11 which has the rear body 500 in an exploded view where the frame 510 is artificially separated from the dressing 513.
- the frame 510 has in particular a handle reinforcement 512 terminated by a flat rib 514 in an arc of a circle, allowing a better grip and a better holding of the EPP.
- the vacuum cleaner also comprises a lid 180 for closing the housing of the bag, made of expanded polypropylene and disposed on the upper body.
- the mechanical strength of the lid on the upper body 400 of the vacuum cleaner is obtained by interlocking, by deforming the material, as previously explained.
- the holding of the upper and lower bodies to one another is ensured by rods 150, 160 bearing support under the lower body 200.
- the rods 150 engage with the rear part 500, while the rod 160 is connected to a rigid part 190 disposed on the upper body 400.
- the supports of the rods 150 and 160 under the lower body 200 are preferably associated with the wheels of the vacuum cleaner, as is clearly visible in FIGS. 12 and 13. With regard to the central wheel 155, the latter is associated with a platform 162 to refocus the wheel relative to the entire vacuum, while allowing to distribute the clamping force.
- the rear wheels 153 are associated with a rigid part 152 which contributes to the compression of the lower body on the upper body, said part carrying the two rear rods 150.
- the actual assembly of the upper body on the lower body consists, according to the example shown, to screw the rods 150 and 160 in corresponding tubes from the parts 190 and 500, the tubes and / or the rods advantageously passing through a portion of the upper body 400.
- FIGS. 8, 12 and 13 show particularly such a tube 194 coming from the part 190, this tube receiving the rod 160 which passes through the lower body 200 through the orifice 224.
- the tube 194 passes through the upper body 400 through the port 410, as shown in FIG.
- the frame 510 of the rear body is mechanically connected to at least one rigid piece bearing under the lower body, via at least one connecting element.
- the rods 150 pass through the lower body 200 through the openings 226 and are in mechanical engagement with complementary tubes 520 coming from the frame 510 of the rear body 500, and partially passing through the upper body 400 through orifices 412.
- Figures 12 and 13 illustrate different rigid parts for compression of the lower and upper body.
- the rear body 500 presses on the plate 190, thus indirectly on the upper body 400.
- the two rods 150 are inclined relative to the rod 160, to promote the compression of the rear part on the lower and upper body.
- the rigid piece 190 may have very different shapes and conformations, ranging from a piece covering substantially the entire width of the upper body, as shown, behind the compartment of the dust bag, to a more indented room. It is even possible to consider the realization of several independent parts.
- the support surface under the lower body can be provided by a plate more or less extended, like the rigid part 162. It is then possible to have a rigid part under the lower body and more punctual support points on the upper body.
- the rigid part 190 also has the locations of the on / off control button 196, as well as that of the rewind button 198 of the electric cable on the reel 100.
- the rigid piece 190 also has a housing 192 for a housing 195 containing a pleated filter type HEPA, for filtering the air from the dust bag, before entering the motor fan.
- a housing 192 for a housing 195 containing a pleated filter type HEPA, for filtering the air from the dust bag, before entering the motor fan.
- the lights, control and operating members 196, 198, as well as the rigid piece 190, the tubes 194, 150, 160 and the parts associated therewith, as well as the rollers, will preferably be made of unexpanded polypropylene.
- the motor-fan will advantageously be arranged in a housing 120, having a chimney 124 inside which is arranged a control card of the motor-fan.
- This chimney is an extension of a part 122 constituting the cover of the casing 120 of the fan motor.
- This housing is advantageously made of rigid parts made of unexpanded polypropylene.
- the casing 120 also comprises a substantially cylindrical fairing 130 surrounding the motor-fan and on which the cover 122 is fixed by a bayonet-type assembly.
- the fairing comprises a multitude of openings 132 of air exhaust, these openings, of cylindrical shape, having a diameter of the order of 2.5 mm.
- a foam 134 is disposed in front of the openings 132 so that the air leaving the shroud 130 passes through such foam before reaching the outlet 260 of the lower body. 200.
- the fairing of the fan motor is made of unexpanded polypropylene to limit the diversity of materials used.
- expanded polypropylene As far as expanded polypropylene is concerned, it will be used at degrees of expansion defined by the amount of material (polypropylene) per liter. It will be preferable to use contents of between 40 g and 80 g of material per liter.
- the exemplary embodiments show the distinct upper and lower rigid parts of the upper and lower bodies, it may be envisaged, in the context of the invention, to insert said parts in the respective bodies.
- one of the upper rigid parts, participating in maintaining the upper and lower body can be integrated in the upper body, as long as the piece is located in the upper part of said body so that the compression is performed on a sufficient thickness of the body superior.
- one of the lower parts involved in maintaining the upper and lower bodies can also be integrated in the lower body, preferably in its lower part, to keep a sufficient thickness of the lower body to achieve the compression and maintenance of the various bodies .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0600952A FR2896679B1 (fr) | 2006-02-02 | 2006-02-02 | Aspirateur |
| PCT/FR2007/000123 WO2007088260A1 (fr) | 2006-02-02 | 2007-01-23 | Aspirateur avec deux coques en polypropylene expanse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1981386A1 true EP1981386A1 (fr) | 2008-10-22 |
| EP1981386B1 EP1981386B1 (fr) | 2018-01-17 |
Family
ID=36978211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07730843.5A Active EP1981386B1 (fr) | 2006-02-02 | 2007-01-23 | Aspirateur avec deux coques en polypropylene expanse |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20110131755A1 (fr) |
| EP (1) | EP1981386B1 (fr) |
| JP (1) | JP2009525100A (fr) |
| CN (1) | CN101378686A (fr) |
| FR (1) | FR2896679B1 (fr) |
| RU (1) | RU2414843C2 (fr) |
| WO (1) | WO2007088260A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6007805B2 (ja) * | 2013-01-30 | 2016-10-12 | 三菱電機株式会社 | 電気掃除機 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3634905A (en) * | 1969-10-27 | 1972-01-18 | Gen Electric | Electric vacuum cleaner construction |
| JPS5722729A (en) * | 1980-07-18 | 1982-02-05 | Hitachi Ltd | Electric cleaner |
| US4592764A (en) * | 1983-06-30 | 1986-06-03 | Sharp Kabushiki Kaisha | Vacuum cleaner |
| JP2664244B2 (ja) * | 1989-04-22 | 1997-10-15 | タイガースポリマー株式会社 | 消音性ハウジング |
| DE4321216A1 (de) * | 1993-06-25 | 1995-01-19 | Omega Haushaltsgeraete Gmbh & | Motor- und Bauteilelagerung für Elektrogeräte, insbesondere Staubsauger |
| US5404614A (en) * | 1994-01-06 | 1995-04-11 | Royal Appliance Mfg. Co. | Latch assembly for blower of wet/dry vacuum cleaner |
| US5479676A (en) * | 1994-05-12 | 1996-01-02 | Electrolux Corporation | Vacuum cleaner |
| TW271384B (en) * | 1995-01-13 | 1996-03-01 | Black & Decker Inc | Vacuum cleaner |
| US5870798A (en) * | 1996-05-03 | 1999-02-16 | The Hoover Company | Compact carpet and upholstery extractor |
| US6370730B1 (en) * | 1998-08-28 | 2002-04-16 | Emerson Electric Co. | Hose lock with integral seal |
| US6145160A (en) * | 1998-11-20 | 2000-11-14 | Primus Holdings, L.P. | Tank-type vacuum cleaner |
| GB2345839B (en) * | 1999-01-25 | 2000-12-06 | Cheng Han Shim | An improved vacuum cleaner |
| JP2001321306A (ja) * | 2000-05-16 | 2001-11-20 | Hitachi Ltd | 電気掃除機 |
| US6530116B2 (en) * | 2001-02-13 | 2003-03-11 | Shop Vac Corporation | Vacuum cleaner with muffled detachable blower exhaust |
| KR100445801B1 (ko) * | 2002-02-27 | 2004-08-25 | 삼성광주전자 주식회사 | 진공청소기용 사이클론 집진장치의 그릴 조립체 |
| JP2005261658A (ja) * | 2004-03-18 | 2005-09-29 | Mitsubishi Electric Corp | 電気掃除機 |
-
2006
- 2006-02-02 FR FR0600952A patent/FR2896679B1/fr not_active Expired - Fee Related
-
2007
- 2007-01-23 WO PCT/FR2007/000123 patent/WO2007088260A1/fr not_active Ceased
- 2007-01-23 JP JP2008552841A patent/JP2009525100A/ja active Pending
- 2007-01-23 US US12/161,497 patent/US20110131755A1/en not_active Abandoned
- 2007-01-23 EP EP07730843.5A patent/EP1981386B1/fr active Active
- 2007-01-23 RU RU2008135437/12A patent/RU2414843C2/ru not_active IP Right Cessation
- 2007-01-23 CN CNA2007800043077A patent/CN101378686A/zh active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007088260A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101378686A (zh) | 2009-03-04 |
| WO2007088260A1 (fr) | 2007-08-09 |
| US20110131755A1 (en) | 2011-06-09 |
| RU2008135437A (ru) | 2010-03-10 |
| FR2896679B1 (fr) | 2008-03-14 |
| FR2896679A1 (fr) | 2007-08-03 |
| JP2009525100A (ja) | 2009-07-09 |
| RU2414843C2 (ru) | 2011-03-27 |
| EP1981386B1 (fr) | 2018-01-17 |
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