EP4520234A1 - Staubsauger mit einem elektrischen stecker mit einem schutzelement - Google Patents

Staubsauger mit einem elektrischen stecker mit einem schutzelement Download PDF

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Publication number
EP4520234A1
EP4520234A1 EP24198260.2A EP24198260A EP4520234A1 EP 4520234 A1 EP4520234 A1 EP 4520234A1 EP 24198260 A EP24198260 A EP 24198260A EP 4520234 A1 EP4520234 A1 EP 4520234A1
Authority
EP
European Patent Office
Prior art keywords
protective
suction
vacuum cleaner
electrical connector
connection pins
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.)
Pending
Application number
EP24198260.2A
Other languages
English (en)
French (fr)
Inventor
Eric Pouvreau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP4520234A1 publication Critical patent/EP4520234A1/de
Pending legal-status Critical Current

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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
    • A47L5/24—Hand-supported suction cleaners
    • A47L5/26—Hand-supported suction cleaners with driven dust-loosening tools
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/246—Hose or pipe couplings with electrical connectors

Definitions

  • the present invention relates to the field of vacuum cleaners for vacuuming dust and waste present on a surface to be cleaned, which may for example be tiles, parquet, laminate, carpet or a rug.
  • the first and second electrical connectors allow more particularly to electrically power an electrical component disposed directly in the suction accessory or in another accessory electrically and fluidically connected to the suction accessory.
  • the suction accessory may be a suction tube configured to be connected to a suction head provided with a sole intended to be oriented towards a floor to be cleaned, and the suction head may for example be provided with a rotating cleaning brush and a brush drive motor capable of being electrically powered by the suction assembly, via the suction accessory, when the suction accessory is connected to the suction nozzle provided on the suction assembly.
  • one of the first and second electrical connectors is a male electrical connector and comprises a protective cavity and two male connection pins arranged in the protective cavity
  • the other of the first and second electrical connectors is a female electrical connector and comprises an insertion part and two female connection pins arranged in the insertion part and located respectively opposite two passage orifices opening into an end face of the insertion part.
  • a disadvantage of this type of vacuum cleaner is that an object, waste or similar, may get into the protective cavity, and in particular between the two male connection pins, when the suction accessory is not connected to the main body, and for example during the use or storage phases of the vacuum cleaner.
  • the presence of an object or the like between the two male connection pins is likely to prevent the insertion of the insertion part into the protective cavity, or at least to limit the insertion stroke of the insertion part. in the protective cavity, and thus prevent a proper electrical connection between the male connection pins and the female connection pins of the first and second electrical connectors, or even cause the two male connection pins to twist, and thus prevent an electrical connection between the male connection pins and the connection pins.
  • the present invention aims to remedy all or part of these drawbacks.
  • the technical problem underlying the invention consists in particular in providing a vacuum cleaner which is of simple, reliable and economical structure, while ensuring an optimal electrical connection between a suction accessory and a main body belonging to the vacuum cleaner.
  • a reliable and optimal electrical connection is ensured between the male connection pins and the female connection pins belonging to the male and female electrical connectors.
  • the presence of the protective member limits the risks of inserting a metallic object into the protective cavity, and therefore the risks of short-circuiting within the vacuum cleaner by electrical contact between the two male connection pins.
  • the vacuum cleaner may further have one or more of the following features, taken alone or in combination.
  • the protective member is made of electrically insulating material, that is to say of dielectric or electrically non-conductive material, and for example of plastic.
  • the protective portion when the protective member is in the deployed position, the protective portion extends exclusively between the two male connection pins.
  • the protective portion is configured to be located set back from the access opening when the protective member is in the deployed position. Such an arrangement of the protective portion substantially limits the risks of damage to the male connection pins during the use or storage phases of the vacuum cleaner.
  • the access opening is oriented forward. Such an orientation of the access opening ensures easy connection between the first and second electrical connectors.
  • the first electrical connector is the male electrical connector and the second electrical connector is the female electrical connector.
  • the end face of the insertion portion is configured to move the protective member from the deployed position to the retracted position when the insertion portion is inserted into the protective cavity.
  • the male electrical connector comprises an internal housing in which the protective part is housed at least in part when the protective member is in the retracted position, and a passage opening provided in a separation wall separating the protective cavity and the internal housing and through which the protective part extends and is capable of being moved, and more particularly of sliding.
  • the internal housing is arranged at the rear of the protective cavity.
  • the protective part has a cross-section which is substantially identical to the passage section of the passage opening.
  • the protective member is movable in translation in a direction of movement which is substantially parallel to the male connection pins.
  • the insertion portion is configured to be inserted into the protective cavity in an insertion direction oriented substantially parallel to the direction of movement.
  • the male electrical connector comprises a guide device configured to guide the protective member in translation in the direction of movement during its movements between the deployed position and the retracted position.
  • the guide device comprises a guide groove extending in the protective cavity and extending parallel to the direction of movement, the guide groove being configured to cooperate with a longitudinal portion, for example a lower longitudinal portion, of the protective part during movements of the protective member between the deployed position and the retracted position.
  • the guide device comprises an additional guide groove which extends in the internal housing and which extends parallel to the direction of movement, the additional guide groove being configured to cooperate with a longitudinal portion of the protective part during movements of the protective member between the deployed position and the retracted position.
  • the guide device comprises two lateral guide walls which partly delimit the internal housing and which are configured to be arranged on either side of the protective part when the protective member occupies the retracted position, the two lateral guide walls being configured to laterally guide the protective part during movements of the protective member between the deployed position and the retracted position.
  • the guide device comprises a guide slot extending parallel to the direction of movement and opening into the internal housing, and the protection member comprises a guide finger mounted to slide in the guide slot.
  • the guide finger is provided in a rear part of the protection member.
  • the guide finger is oriented opposite the guide groove, and for example upwards.
  • Such a configuration of the guide device ensures optimal guidance of the protection member.
  • the passage opening partly forms the guide device.
  • the connector body comprises a first body part and a second body part which are distinct from each other and which are fixed to each other, for example by snap-fastening.
  • the protective portion comprises a free end face which is configured to be substantially flush with or to protrude relative to the free ends of the male connection pins when the protective member is in the deployed position. Such an arrangement of the protective portion further reduces the risks of inserting an object or the like between the two male connection pins.
  • the protective member is configured to be fully retracted out of the protective cavity when the protective member is in the retracted position.
  • the protective part is substantially flat.
  • the protective portion extends in the median longitudinal plane of the male electrical connector.
  • the two male connection pins are arranged, for example symmetrically, on either side of the median longitudinal plane of the male electrical connector.
  • the insertion part and the protective cavity have generally complementary shapes.
  • the male electrical connector comprises a biasing member, such as a biasing spring, configured to bias the protective member toward the deployed position.
  • a biasing member such as a biasing spring
  • the insertion portion and for example the end face of the insertion portion, is configured to push the protective member towards the retracted position and against the pushing force exerted by the biasing member when the insertion portion is inserted into the protective cavity.
  • the biasing member extends along an extension axis which is offset, for example upwards, relative to a median longitudinal axis of the protective portion. Such an arrangement of the biasing member makes it possible to bring the two electrical connection pins closer together and therefore to limit the width of the male electrical connector.
  • the male electrical connector comprises non-removable side walls delimiting the protective cavity and extending around the male connection pins.
  • the two male connection pins are spaced apart from each other by a separation distance of less than 10 mm.
  • the protective part has a width of less than 5 mm, advantageously less than 3 mm, and for example approximately 2.5 mm.
  • the protective part has a height of less than 12 mm, advantageously less than 8 mm, and for example about 6 mm.
  • the protective member has a length of between 15 and 30 mm, advantageously between 18 and 25 mm, and for example approximately 20.5 mm.
  • the suction tip and the first electrical connector are arranged in a front portion of the main body.
  • the first electrical connector is arranged below the suction tip.
  • the main body comprises a suction duct which is fluidically connected to the suction tip.
  • the suction duct extends substantially parallel to the motor axis.
  • the waste separation and collection device is of the cyclonic type.
  • the waste separation and collection device has a central longitudinal axis which is substantially parallel to the motor axis, and which may for example be collinear with the motor axis.
  • the suction accessory is a suction tube or a suction head.
  • the suction tube is configured to be connected to a suction head.
  • the suction head is provided with a sole intended to be oriented towards a floor to be cleaned.
  • the suction head is provided with a rotating cleaning brush and a brush drive motor capable of being electrically powered by the suction assembly when the connection tip provided on the suction accessory is connected to the suction tip provided on the suction assembly.
  • the suction assembly comprises a gripping handle mechanically connected to the main body.
  • the gripping handle is elongated and has a median longitudinal axis.
  • the median longitudinal axis of the gripping handle is inclined relative to the motor axis.
  • the suction motor is located at the rear of the median longitudinal axis of the grip handle.
  • the vacuum cleaner is a portable vacuum cleaner, also called a handheld vacuum cleaner, or a stick vacuum cleaner.
  • the suction assembly comprises a rechargeable battery configured to electrically power the vacuum cleaner.
  • the first electrical connector is configured to be electrically connected to the rechargeable battery.
  • the rechargeable battery is housed in a battery housing connected, and for example fixed, to the gripping handle, and more particularly to a lower part of the gripping handle.
  • the suction assembly comprises a post which extends substantially parallel to the gripping handle and between the battery housing and the main body.
  • front the terms “front”, “rear”, “upper” and “below” are defined in relation to use of the vacuum cleaner during which the user holds the suction assembly by the grip handle and keeps it substantially horizontally, and the suction nozzle provided on the main body is located opposite the user.
  • substantially flush means two surfaces which are flush or have an offset of less than 1 mm.
  • the suction assembly 3 comprises a main body 5 comprising a suction nozzle 6 through which air is capable of being sucked by the suction assembly 3 and to which the suction accessory 4 is capable of being connected, and a suction duct 7 which is fluidically connected to the suction nozzle 6.
  • the suction nozzle 6 is arranged in a front part of the main body 5.
  • the suction assembly 3 further comprises a waste separation and collection device 8 which is removably mounted on the main body 5 and which is fluidically connected to the suction duct 7.
  • the waste separation and collection device 8 is advantageously of the cyclonic type, and comprises in particular a waste storage container 9, and a tubular separation member (not visible in the figures) housed in the waste storage container 9 and delimiting therewith a cyclonic separation chamber.
  • the waste storage container 9 more particularly comprises an air intake opening which is fluidically connected to the suction duct 7.
  • the suction duct 7 extends along an external surface of the waste separation and collection device 8.
  • the suction assembly 3 further comprises a suction motor 11 which has a motor axis A and which is housed in the main body 5.
  • the suction motor 11 is configured to generate an air flow through the suction nozzle 6, the suction duct 7 and the waste separation and collection device 8.
  • the suction motor 11 more particularly comprises a fan and an electric motor configured to drive the fan in rotation.
  • the median longitudinal axis B of the gripping handle 12 is inclined relative to the motor axis A, and the waste separation and collection device 8 has a central longitudinal axis which is substantially parallel to the motor axis A, and which may for example be collinear with the motor axis A.
  • the suction motor 11 is located at the rear of the median longitudinal axis B of the gripping handle 12, and the suction duct 7 extends substantially parallel to the motor axis A.
  • the suction assembly 3 also comprises an electronic control unit (not visible in the figures) configured to control the operation of the vacuum cleaner 2.
  • the electronic control unit is housed in the main body 5.
  • the suction assembly 3 further comprises a control button 16 configured to control in particular the starting of the motor suction 11 when the control button 16 is operated by the user.
  • the suction accessory 4 is a suction tube configured to be connected to a suction head 20 provided with a sole intended to be oriented towards a floor to be cleaned.
  • the suction accessory 4 more particularly comprises a connection tip 17 which is configured to be mechanically and fluidically connected to the suction tip 6 provided on the main body 5 of the suction assembly 3.
  • the suction head 20 may for example be provided with a rotating cleaning brush and a brush drive motor capable of being electrically powered by the suction assembly 3, and in particular by the rechargeable battery 13, via the suction accessory 4, when the connection nozzle 17 provided on the suction accessory 4 is connected to the suction nozzle 6 provided on the suction assembly 3.
  • the vacuum cleaner 2 further comprises a first electrical connector 18 which is arranged on the main body 5, and more particularly in a front part of the main body 5 and below the suction nozzle 6, and which is configured to be electrically connected to the rechargeable battery 13, and a second electrical connector 19 which is arranged on the suction accessory 4 and which is configured to cooperate with the first electrical connector 18, that is to say to be directly electrically connected with the first electrical connector 18, when the connection nozzle 17 provided on the suction accessory 4 is mechanically connected to the suction nozzle 6 provided on the main body 5.
  • a first electrical connector 18 which is arranged on the main body 5, and more particularly in a front part of the main body 5 and below the suction nozzle 6, and which is configured to be electrically connected to the rechargeable battery 13, and a second electrical connector 19 which is arranged on the suction accessory 4 and which is configured to cooperate with the first electrical connector 18, that is to say to be directly electrically connected with the first electrical connector 18, when the connection nozzle 17 provided on the suction accessory 4 is mechanically connected to the suction nozzle 6
  • the first electrical connector 18 is a male electrical connector and the second electrical connector 19 is a female electrical connector.
  • the first electrical connector 18 more particularly comprises a connector body 21 comprising a first body part 21.1 and a second body part 21.2 which are distinct from one another and which are fixed to one another, for example by snap-fastening.
  • the second electrical connector 19 comprises an insertion part 25 provided with two passage orifices 26 opening into an end face 25.1 of the insertion part 25, and two female connection pins 27 which are arranged in the insertion part 25 and located opposite the two passage orifices 26 respectively.
  • the insertion part 25 and the protective cavity 22 have generally complementary shapes.
  • the first electrical connector 18 further comprises a protective member 28, such as a protective slide, which is arranged in the connector body 21.
  • the protective member 28 is movable in translation, in a direction of movement D1 which is substantially parallel to the male connection pins 24, between a deployed position (visible on the figures 4 And 5 ) and a retracted position (visible on the figures 6 And 7 ), and the end face 25.1 of the insertion portion 25 is configured to move the protection member 28 from the deployed position to the retracted position when the insertion portion 25 is inserted into the protection cavity 22, and therefore when the connection tip 17 is connected to the suction tip 6.
  • the protective member 28 more particularly comprises a protective portion 29 which is configured to extend, for example exclusively, between the two male connection pins 24 when the protective member 28 is in the deployed position, and therefore to prevent or at least limit the risks of introduction of an object or waste between the male connection pins 24 when the suction accessory 4 is not connected to the main body 5, which could hinder a subsequent connection of the suction accessory 4 to the main body 5.
  • the protective portion 29 is substantially flat and extends in the median longitudinal plane of the first electrical connector 18.
  • the protective part 29 more particularly comprises a free end face 29.1 which is configured to be substantially flush with the free ends of the male connection pins 24, and therefore to be located set back from the access opening 23, when the protection member 28 is in the deployed position.
  • the protective portion 29 has a cross-section which is substantially identical to the passage section of the passage opening 32, and the protective member 28 is configured to be fully retracted out of the protective cavity 22 when the protective member 28 is in the retracted position, and therefore to be located substantially entirely in the internal housing 31.
  • the first electrical connector 18 further comprises a biasing member 34, such as a biasing spring, configured to bias the protective member 28 toward the deployed position.
  • a biasing member 34 such as a biasing spring
  • the end face 25.1 of the insertion portion 25 is more particularly configured to push the protection member 28 towards the retracted position and against the thrust force exerted by the biasing member 34 when the insertion portion 25 is inserted into the protection cavity 22.
  • the stressing member 34 comprises a first end portion bearing against, and by example fixed, to the second body part 21.2, and a second end portion bearing against, and for example fixed, to the protection member 28, and for example to a rear part of the protection member 28.
  • the first electrical connector 18 further comprises a guide device configured to guide the protection member 28 in translation along the direction of movement D1 during its movements between the deployed position and the retracted position.
  • the guide device comprises a guide groove 35 which extends into the protective cavity 22, and which is therefore provided on an internal face of a side wall delimiting the protective cavity 22.
  • the guide groove 35 extends parallel to the direction of movement D1, and is more particularly configured to cooperate with a longitudinal portion, for example a lower longitudinal portion, of the protective part 29 during movements of the protective member 28 between the deployed position and the retracted position.
  • the guide device also comprises an additional guide groove 36 which extends in the internal housing 31 and which also extends parallel to the direction of movement D1, the additional guide groove 36 being configured to cooperate with the aforementioned longitudinal portion of the protective part 29 during movements of the protective member 28 between the deployed position and the retracted position.
  • the guide groove 35 and the additional guide groove 36 are more particularly provided on the first body part 21.1.
  • the guide device further comprises two lateral guide walls 37 which partly delimit the internal housing 31 and which are configured to be arranged on either side of the protective portion 29 when the protective member 28 occupies the retracted position.
  • the two lateral guide walls 37 extend substantially parallel to the median longitudinal plane of the first electrical connector 18, and are more particularly configured to laterally guide the protective portion 29 during movements of the protective member 28 between the deployed position and the retracted position.
  • the two lateral guide walls 37 are provided on the second body portion 21.2.
  • the guide device further comprises a guide slot 38 extending parallel to the direction of movement D1 and opening into the internal housing 31, and the protection member 28 comprises a guide finger 39 provided in a rear part of the protection member 28 and slidably mounted in the guide slot 38.
  • the guide slot 38 is provided on the second body part 21.2, and the guide finger 39 is oriented opposite the guide groove 35, and therefore upwards.
  • the passage opening 32 partly forms the guide device since it advantageously has a passage section which is substantially identical to the cross section of the protective part 29.
  • the suction accessory 4 could be a suction head 20 of the aforementioned type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
EP24198260.2A 2023-09-06 2024-09-03 Staubsauger mit einem elektrischen stecker mit einem schutzelement Pending EP4520234A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2309353A FR3152369B1 (fr) 2023-09-06 2023-09-06 Aspirateur comprenant un connecteur électrique mâle équipé d’un organe de protection

Publications (1)

Publication Number Publication Date
EP4520234A1 true EP4520234A1 (de) 2025-03-12

Family

ID=88839391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24198260.2A Pending EP4520234A1 (de) 2023-09-06 2024-09-03 Staubsauger mit einem elektrischen stecker mit einem schutzelement

Country Status (3)

Country Link
EP (1) EP4520234A1 (de)
CN (1) CN120477625A (de)
FR (1) FR3152369B1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473923A (en) * 1982-05-10 1984-10-02 Dayco Corporation Vacuum cleaning tool adapter with electrical control means
WO2022035041A1 (ko) * 2020-08-11 2022-02-17 삼성전자주식회사 청소기

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473923A (en) * 1982-05-10 1984-10-02 Dayco Corporation Vacuum cleaning tool adapter with electrical control means
WO2022035041A1 (ko) * 2020-08-11 2022-02-17 삼성전자주식회사 청소기

Also Published As

Publication number Publication date
FR3152369A1 (fr) 2025-03-07
CN120477625A (zh) 2025-08-15
FR3152369B1 (fr) 2025-08-01

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