EP1808113A2 - Aspirateur - Google Patents

Aspirateur Download PDF

Info

Publication number
EP1808113A2
EP1808113A2 EP06008559A EP06008559A EP1808113A2 EP 1808113 A2 EP1808113 A2 EP 1808113A2 EP 06008559 A EP06008559 A EP 06008559A EP 06008559 A EP06008559 A EP 06008559A EP 1808113 A2 EP1808113 A2 EP 1808113A2
Authority
EP
European Patent Office
Prior art keywords
suction unit
connecting rod
wheels
suction
vacuum cleaner
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
Application number
EP06008559A
Other languages
German (de)
English (en)
Other versions
EP1808113B1 (fr
EP1808113A3 (fr
Inventor
Tae Seok Yoon
Jae Man Joo
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1808113A2 publication Critical patent/EP1808113A2/fr
Publication of EP1808113A3 publication Critical patent/EP1808113A3/fr
Application granted granted Critical
Publication of EP1808113B1 publication Critical patent/EP1808113B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed
    • E01D2101/285—Composite prestressed concrete-metal

Definitions

  • the present invention relates to a vacuum cleaner, and, more particularly, to a vacuum cleaner, which comprises a suction unit optimally structured to reduce noise, and can maneuver the suction unit with a small maneuvering force.
  • a vacuum cleaner is an apparatus, which cleans a room in such a manner that foreign matter such as dust is drawn into a suction unit by a strong suction force generated by a body connected with the suction unit.
  • the suction unit can be classified into a floor type and a carpet type according to its utility.
  • the carpet type suction unit generates a great negative pressure to remove dust soiled between fibers constituting a carpet.
  • the carpet type suction unit is adapted to allow a base plate constituting a bottom surface of the suction unit to be brought into contact with the carpet as close as possible.
  • a vacuum cleaner which comprises a suction unit optimally structured to reduce noise.
  • a vacuum cleaner comprising a body to generate suction force, and a suction unit connected with the body to suck dust, wherein, when being supported on a floor, the suction unit has an arch-shaped suction space defined in at least one of a front side and a rear side of the suction unit, the suction space being gradually enlarged towards a central region of the suction unit.
  • the suction unit may comprise a case defining an outer appearance, a base plate constituting a bottom surface of the suction unit and being formed with a suction port through which the dust is sucked into the suction unit, and a plurality of wheels attached to at least one of front opposite sides and rear opposite sides of the suction unit to allow the suction unit to roll on a floor.
  • the wheels attached to at least one of the front opposite sides and the rear opposite sides of the suction unit with respect to the suction port may be connected with each other by a connecting rod.
  • the connecting rod may be integrally formed with the wheels.
  • the connecting rod may have a smaller diameter than that of each wheel, and have a reversed arch-shaped outer periphery gradually decreased in diameter towards a center of the connecting rod.
  • the connecting rod may have a symmetrical shape with respect to an axis of the connecting rod such that, when the wheels are rotated on the floor, the connecting rod is maintained a constant distance from the floor supporting the wheels.
  • a lowermost portion of the connecting rod where the connecting rod has the smallest diameter may be separated a distance of 1.5 ⁇ 2.2 mm from the floor supporting the wheels.
  • the base plate may have a lowermost surface coplanar with or above the lowermost portion of the connecting rod where the connecting rod has the smallest diameter.
  • a vacuum cleaner comprises a body to generate suction force, and a suction unit connected with the body to suck dust
  • the suction unit comprises a case defining an outer appearance, a base plate constituting a bottom surface of the suction unit and being formed with a suction port through which the dust is sucked into the suction unit, a plurality of wheels attached to at least one of front opposite sides and rear opposite sides of the suction unit to allow the suction unit to roll on a floor, and a connecting rod connecting the wheels with each other and having a reversed arch-shaped outer periphery gradually decreased in diameter towards a center of the connecting rod.
  • a vacuum cleaner according to a preferred embodiment of the present invention comprises a suction unit 10 to suck foreign matter such as dust together with air via suction force, and a body 11 to generate the suction force and collect dust suctioned by the suction unit 10.
  • the body 11 and the suction unit 10 are connected via a connection hose 12 and a connection pipe 13 such that the suction force generated from the body 11 is transferred to the suction unit 10 therethrough.
  • the vacuum cleaner is further provided with a handle 14 between the connection hose 12 and the connection pipe 13 so as to be gripped by a user when using the vacuum cleaner.
  • connection hose 12 is made of a stretchable corrugated pipe and the like.
  • the connection hose 12 is connected at one end with the body 11, and at the other end with the handle 14 such that the suction unit 10 can be freely moved in a predetermined radius around the body 11.
  • the connection pipe 13 has a predetermined length, and is connected at one end with the suction unit 10 while being connected at the other end with the handle 14 to allow the user to clean the floor using the vacuum cleaner while standing on the floor.
  • the suction unit 10 serves to suck air and dust thereto, and, as shown in FIG. 2, comprises a case 20 defining an outer appearance, a base plate 30 constituting a bottom surface of the suction unit 10 and being formed with a suction port 31 through which the dust is sucked into the suction unit 10, and front and rear wheels 40a and 40b attached to lower portions of front and rear sides of the suction unit 10 to allow the suction unit 10 to roll on a floor.
  • the case 20 of the suction unit 10 has a guide flow path 21 formed therein to guide the air and dust suctioned into the suction unit 10 towards the connection pipe 13 connected with the suction unit 10.
  • the base plate 30 is coupled to a lower side of the suction unit 10, and has a lower surface 30a, which is formed at the center thereof with a suction port 31.
  • the suction port 31 of the lower surface 30a is depressed a predetermined depth from the lower surface 30a of the base plate 30, and communicated with the guide flow path 21 formed in the case 20.
  • the lower surface 30a of the base plate 30 is formed with a trench 32, which extends from both sides 30b of the base plate 30 to the suction port 31, while being gradually depressed from both sides 30b towards the suction port 31 such that the air suctioned through both sides 30b is guided towards the suction port 31 therethrough.
  • the lower surface 30a of the base plate 30 has planar surfaces formed at front and rear sides thereof centered on the trench 32.
  • the planar surfaces are formed with first and second openings 33a and 33b such that the wheels 40a and 40b, and connecting rods 41 a and 41 b connecting the wheels 40a and 40b with each other are partially protruded from the planar surfaces.
  • the base plate 30 is formed by machining a material such as stainless steel with press work and the like, and is fastened to the case 20 via fastening members 35 such as screws.
  • the front wheels 40a are mounted to opposite front lower sides of the suction unit 10. As such, with the front wheels 40a mounted to the opposite front lower sides of the suction unit 10, the suction unit 10 can be moved by a small maneuvering force.
  • the rear wheels 40b are mounted to opposite rear lower sides of the suction unit 10, so that the suction unit 10 can be moved by a small maneuvering force.
  • the front wheels 40a or the rear wheels 40b comprises two wheels mounted to the lower side of the suction unit 10 in which the two wheels constituting the front wheels 40a are connected with each other by a first connecting rod 41 a, and the two wheels constituting the rear wheels 40b are connected with each other by a second connecting rod 41 b.
  • the first connecting rod 41 a is integrally formed with the front wheels 40a
  • the second connecting rod 41 b is integrally formed with the rear wheels 40b.
  • This structure is devised for the purpose of preventing tolerance from being created when assembling the connecting rods 41 a and 41 b to the wheels 40a and 40b after separately manufacturing the connecting rods 41a and 41b with respect to the wheels 40a and 40b.
  • Each of the front wheels 40a connected by the first connecting rod 41 a has a first shaft 42a such that the front wheels 40a are secured to both sides 30b from the front side of the base plate 30, and each of the rear wheels 40b connected by the second connecting rod 41 b has a second shaft 42b such that the rear wheels 40b are secured to both sides 30b from the rear side of the base plate 30.
  • the base plate 30 has first and second receipt holes 34a and 34b formed at both sides 30b thereof to receive the first and second shafts 42a and 42b, respectively.
  • the first receipt holes 34a are formed at the front side with respect to the trench 32, and the second receipt holes 34b are formed at the rear side with respect to the trench 32, so that the first connecting rod 41 a is disposed at the front side with respect to the trench 32 and connects the front wheels 40a with each other, and the second connecting rod 41 b is disposed at the rear side with respect to the trench 32 and connects the rear wheels 40b with each other.
  • the front and rear wheels 40a and 40b With the first and second shafts 42a and 42b of the front and rear wheels 40a and 40b fitted into the respective receipt holes 34a and 34b, the front and rear wheels 40a and 40b are rotated about the respective shafts 42a and 42b. At this time, the front wheels 40a and the first connecting rod 41a are positioned in the first opening 33a to be partially exposed from the first opening 33a, and the rear wheels 40b and the second connecting rod 41 b are positioned in the second opening 33b to be partially exposed from the second opening 33b.
  • the front and rear wheels 40a and 40b With the front and rear wheels 40a and 40b partially exposed from the first and second openings 33a and 33b, respectively, the front and rear wheels 40a and 40b are rotated on the floor. At this time, since the two wheels constituting the front wheels 40a are integrally formed with the first connecting rod 41 a, and the two wheels constituting the rear wheels 40b are integrally formed with the second connecting rod 41 b, the front wheels 40a rotate together with the first connecting rod 41 a, and the rear wheels 40b rotate together with the second connecting rod 41 b.
  • the first connecting rod 41 a connecting the front wheels 40a with each other has a smaller diameter than that of the front wheels 40a
  • the second connecting rod 41 b connecting the rear wheels 40b with each other has a smaller diameter than that of the rear wheels 40b.
  • Each of the connecting rods 41 a and 42b has a reversed arch-shaped outer periphery with a diameter of the connecting rod gradually decreased towards the center of the connecting rod.
  • each of the connecting rods 41 a and 41 b has a symmetrical shape with respect to an axis of the connecting rod 41 a or 41 b such that, when the front and rear wheels 40a and 40b are rotated on the floor 50, the connecting rods 41 a and 41 b are maintained at a constant distance from the floor 50 supporting the wheels 40a and 40b.
  • FIGS. 3 and 4 are a front view and a side sectional view illustrating the suction unit 10 after the base plate 30, the wheels 40a and 40b, and the case 20 shown in FIG. 2 are assembled thereto, respectively.
  • an arch-shaped suction space 51 is defined in the front of the lower side of the suction unit 10 when the suction unit 10 is supported on the floor 50, and gradually enlarges towards the center of the suction unit 10.
  • Such a suction space 51 is also defined by the second connecting rod 41 b connecting the rear wheels 40b positioned in the rear of the lower side of the suction unit 10.
  • the suction unit 10 has the arch-shaped suction space 51 gradually enlarged towards the center of the suction unit 10 when the suction unit 10 is supported on the floor 50, and this structure is devised to secure a large area of an air flow path at the center of the suction unit 10 in consideration of the fact that suction force becomes the maximum value at the center of the suction unit 10 where the suction port 31 is formed, and suctioning speed of air becomes the highest value thereat.
  • the lowermost surface of the base plate 30 is coplanar with or above a lowermost portion 45 of each of the connecting rods 41 a and 41 b where each of the connecting rods 41 a and 41 b has the smallest diameter.
  • FIG. 5 is a graph depicting variation in noise reduction effect according to a distance "h" (which will hereinafter referred to as a "gap h") between the floor 50 supporting the wheels 40a and 40b and the lowermost portion 45 of each of the connecting rods 41 a and 41 b where each of the connecting rods 41 a and 41 b has the smallest diameter.
  • h a distance between the floor 50 supporting the wheels 40a and 40b and the lowermost portion 45 of each of the connecting rods 41 a and 41 b where each of the connecting rods 41 a and 41 b has the smallest diameter.
  • the gap h is preferably in the range of 1.5 ⁇ 2 mm.
  • the base plate 30 constituting the lower surface of the suction unit 10 since the base plate 30 constituting the lower surface of the suction unit 10 has a complicated structure, it is difficult to form the base plate 30 such that the gap h of about 1.8 mm is defined between the floor 50 and the lowermost portion 45 of each connecting rod.
  • this gap can be secured by the structure wherein the connecting rods 41 a and 41 b are formed to have the reversed arch-shaped outer periphery gradually decreased in diameter to define the suction space 51 between the connecting rods 41 a and 41 b and the floor 50.
  • the base plate 30 is likely to deform when the thin base plate 30 is fastened to the case 20 by the fastening members 35, and thus it is difficult to maintain the gap of about 1.8 mm with respect to the floor.
  • the reversed arch-shaped outer periphery of the connecting rods can overcome such a difficulty.
  • first and second connecting rods 41 a and 41 b are integrally formed with the front and rear wheels 40a and 40b, respectively, and have the symmetrical shape with respect to the axis thereof, so that, when the suction unit 10 is moved, and the respective wheels 40a and 40b are rotated with respect to the shafts 42a and 42b, the respective connecting rods 41 a and 41 b can maintain a constant gap h from the floor 50.
  • the front wheels 40a and the first connecting rod 41a connecting the front wheels 40a with each other are disposed at the front side of the suction unit 10
  • the rear wheels 40b and the second connecting rod 41 b connecting the rear wheels 40b with each other are disposed at the rear side of the suction unit 10.
  • the connecting rods and wheels are not necessarily disposed at both front and rear sides of the suction unit.
  • a pair of wheels and a connecting rod to connect the wheels may be disposed at one side of the front side and the rear side of the suction unit.
  • the vacuum cleaner according to the present invention has a suction space formed between the floor and the connecting rod to connect the wheels of the suction unit to define an air flow path through which air is suctioned into the suction unit, so that noise generated from the suction unit is significantly reduced.
  • the suction unit is provided at a lower side with the wheels, it is possible to maneuver the suction unit with a small maneuvering force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Suction Cleaners (AREA)
EP06008559.4A 2006-01-13 2006-04-25 Aspirateur Expired - Fee Related EP1808113B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060004025A KR101211497B1 (ko) 2006-01-13 2006-01-13 진공청소기

Publications (3)

Publication Number Publication Date
EP1808113A2 true EP1808113A2 (fr) 2007-07-18
EP1808113A3 EP1808113A3 (fr) 2009-08-19
EP1808113B1 EP1808113B1 (fr) 2014-09-24

Family

ID=37908217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06008559.4A Expired - Fee Related EP1808113B1 (fr) 2006-01-13 2006-04-25 Aspirateur

Country Status (3)

Country Link
EP (1) EP1808113B1 (fr)
KR (1) KR101211497B1 (fr)
RU (1) RU2319435C1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2989952A3 (fr) * 2014-08-29 2016-09-14 Samsung Electronics Co., Ltd. Buse d'aspiration et aspirateur équipé de celui-ci
DE102015104436A1 (de) * 2015-03-24 2016-09-29 Wessel-Werk Gmbh Gleitsohle für eine Staubsaugerdüse
CN106166045A (zh) * 2015-05-21 2016-11-30 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的吸嘴
CN106166044A (zh) * 2015-05-21 2016-11-30 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的吸嘴
CN106166046A (zh) * 2015-05-21 2016-11-30 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的硬质地板吸嘴

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560400A (en) 1921-02-24 1925-11-03 Wise Mcclung Company Ltd Suction cleaner
US1654186A (en) 1921-06-06 1927-12-27 Hoover Co Suction sweeper
US2620506A (en) 1947-04-25 1952-12-09 Hoover Co Suction cleaning tool with adjustable brush
US4238870A (en) 1977-04-29 1980-12-16 Aktiebolaget Electrolux Brush-beater roller for a vacuum cleaner
EP1488726A1 (fr) 2003-06-20 2004-12-22 Seb S.A. Suceur d'aspirateur
US20060005350A1 (en) 2004-07-09 2006-01-12 Sumsung Gwangju Electronics Co., Ltd. Suction brush for vacuum cleaner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560400A (en) 1921-02-24 1925-11-03 Wise Mcclung Company Ltd Suction cleaner
US1654186A (en) 1921-06-06 1927-12-27 Hoover Co Suction sweeper
US2620506A (en) 1947-04-25 1952-12-09 Hoover Co Suction cleaning tool with adjustable brush
US4238870A (en) 1977-04-29 1980-12-16 Aktiebolaget Electrolux Brush-beater roller for a vacuum cleaner
EP1488726A1 (fr) 2003-06-20 2004-12-22 Seb S.A. Suceur d'aspirateur
US20060005350A1 (en) 2004-07-09 2006-01-12 Sumsung Gwangju Electronics Co., Ltd. Suction brush for vacuum cleaner

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2989952A3 (fr) * 2014-08-29 2016-09-14 Samsung Electronics Co., Ltd. Buse d'aspiration et aspirateur équipé de celui-ci
US9737184B2 (en) 2014-08-29 2017-08-22 Samsung Electronics Co., Ltd. Suction nozzle and vacuum cleaner having the same
DE102015104436A1 (de) * 2015-03-24 2016-09-29 Wessel-Werk Gmbh Gleitsohle für eine Staubsaugerdüse
CN106166045A (zh) * 2015-05-21 2016-11-30 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的吸嘴
CN106166044A (zh) * 2015-05-21 2016-11-30 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的吸嘴
CN106166046A (zh) * 2015-05-21 2016-11-30 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的硬质地板吸嘴
CN106166046B (zh) * 2015-05-21 2020-09-18 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的硬质地板吸嘴
CN106166045B (zh) * 2015-05-21 2021-07-16 沃维克股份有限公司 用于吸收粗颗粒和细粉尘的吸嘴

Also Published As

Publication number Publication date
RU2319435C1 (ru) 2008-03-20
EP1808113B1 (fr) 2014-09-24
KR20070075598A (ko) 2007-07-24
EP1808113A3 (fr) 2009-08-19
KR101211497B1 (ko) 2012-12-12

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