EP2987444A1 - Bodendüse - Google Patents

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Info

Publication number: EP2987444A1
Authority: EP; European Patent Office
Prior art keywords: brush; floor brush; primary duct; duct; auxiliary
Prior art date: 2014-08-22
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

EP14192755.8A

Other languages

English (en)

French (fr)

Other versions

EP2987444B1 (de

Inventor

Xiaoquan LIN

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.)

Suzhou Grand Electric Co Ltd

Original Assignee

Suzhou Grand Electric 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.)

2014-08-22

Filing date

2014-11-12

Publication date

2016-02-24

2014-11-12 Application filed by Suzhou Grand Electric Co Ltd filed Critical Suzhou Grand Electric Co Ltd

2016-02-24 Publication of EP2987444A1 publication Critical patent/EP2987444A1/de

2018-01-03 Application granted granted Critical

2018-01-03 Publication of EP2987444B1 publication Critical patent/EP2987444B1/de

Status Active legal-status Critical Current

2034-11-12 Anticipated expiration legal-status Critical

Links

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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

Definitions

the present invention relates to the field of cleaning products, specifically to an efficient floor brush that can be used in a vacuum cleaner.
the floor brush currently sold on the market has a brush underplate that is of a faceplate structure of a plate or a plane plus an incline.
a floor brush When such a floor brush is used on a carpet, the flat lower surface of the brush underplate will be completely fit with the carpet, making the exterior air current hard to enter the brush duct, with the floor brush inhaling dust totally depending on the degree of vacuum without taking full advantage of the air-volume vacuum function; besides, the large-particle dust hidden in the carpet wool cannot enter the brush duct so as to be taken away because the carpet wool is pressed down tightly, which results in the worse vacuum effect.
a purpose of the present invention is as follows:
the present invention provides an efficient floor brush of a new structure, which can increase the air volume of the floor brush without substantially decreasing the degree of vacuum of the floor brush, thus improving the vacuum efficiency of the brush, with the movement resistance of the floor brush on the carpet reduced as well.
the efficient floor brush comprises a brush body, a brush underplate mounted on the bottom of the brush body, and a primary duct disposed in the brush body, the primary duct being provided with a primary duct opening located at the brush underplate, some groove-type auxiliary ducts being formed on the front and rear sides of the primary duct opening on the bottom of the brush underplate, a separation rib being disposed at a junction of the primary duct with the auxiliary duct.
the present invention further includes the following preferred solution:
the present invention has the following advantages: When this efficient floor brush of the present invention is in use, the groove-type auxiliary duct on the bottom of the floor brush reduces the region where the brush underplate compresses the carpet, correspondingly reducing resistance of the air current in the carpet, thus increasing the air volume when the floor brush is vacuuming the carpet, which is conducive to the use of air volume to take away the dust on the carpet, improvement of the vacuum capability of the floor brush, and reduction of the movement resistance of the floor brush on the carpet as well.
the convex rib on the bottom of the floor brush will also poke aside the carpet wool on the carpet, comb the compact carpet wool loose, and make the particulates hidden in carpet wool taken by the air current into the primary duct and then into a dust-collecting device, further improving the dust removal capability of the floor brush.
the separation rib disposed at the junction of the primary duct with the auxiliary duct plays a role in sealing the primary duct opening, and ensuring a negative air pressure at the primary duct opening when the floor brush is in operation; besides, when the floor brush is working on the carpet, the separation rib can go deeper into the carpet, thus achieving the improved vacuum efficiency for the carpet.
Figs. 1 and 2 show a specific example of this efficient floor brush of the present invention that, to be the same with the traditional floor brush, also comprises a brush body 1, a brush underplate 2 mounted on the bottom of the brush body, and a primary duct 3 disposed in the brush body 1, the primary duct 3 being provided with a primary duct opening 3a located at the brush underplate 2.
auxiliary ducts 5 are formed on the front and rear sides of the primary duct opening 3a on the bottom of the brush underplate 2, and a separation rib 6 for preventing air leakage is disposed at the junction of the primary duct 3 with the auxiliary duct 5.
the auxiliary duct 5 and the primary duct 3 are not in direct communication with each other, but have a separation rib 6 disposed therebetween to separate them, which is advantageous to ensure the degree of vacuum at the primary duct opening; besides, the separation rib 6 plays a role in sealing the primary duct opening 3a, which ensures a negative air pressure at the primary duct opening 3a when the floor brush is in operation; moreover, when the floor brush is working on the carpet, the separation rib 6 can go deeper into the carpet, thus achieving the improved vacuum efficiency for the carpet.
the auxiliary duct 5 will be in direct communication with the primary duct 3, which will greatly increase the ventilation area of the primary duct opening 3a with the external world, and result in an air leakage problem at the primary duct opening 3a, thus significantly decreasing the suction of the primary duct 3 and reducing the dust removal capability of the floor brush.
this floor brush While in use, this floor brush is connected to a vacuum cleaner that is then powered on, and then the floor brush is placed on the carpet in a position and state as shown in Fig.
the auxiliary duct 5 on the bottom of the floor brush reduces the region where the brush underplate 2 compresses the carpet, which correspondingly reduces resistance of the air current in the carpet, and thus increases the air volume when the floor brush is vacuuming the carpet;
the separation rib 6 disposed between the primary duct 3 and the auxiliary duct 5 can prevent air leakage at the primary duct opening, which well guarantees the degree of vacuum at the primary duct opening and the vacuum capacity of the primary duct, conducive to the use of air volume to take away the dust on the carpet and improvement of the vacuum capability of the floor brush.
the convex rib 4 on the bottom of the floor brush will also poke aside the carpet wool on the carpet, comb the compact carpet wool loose, and make the particulates hidden in the carpet wool taken by the air current into the primary duct 3, which further improves the dust removal capability of the floor brush.
the lower surface of the separation rib 6 is flush with the lower surface of the convex rib 4; that is, at a junction of the separation rib 6 with the convex rib 4, the separation rib 6 and the convex rib 4 have a lower surface with the same height.
the lower surface of the convex rib 4 is gradually elevated into a certain slope in a direction from being close to the separation rib 6 to being away from the separation rib 6; such an arrangement is also made for further ensuring a negative air pressure at the primary duct opening, so as to improve the dust removal capability of the floor brush.
the height relation between the lower surfaces of the separation rib 6 and convex rib 4 can also be set into other forms.
the number of the separation rib 6 can be set to be more than one, and the separation rib 6 can be of a linear structure or a curvilinear structure. It is of a linear structure in this example.
these groove-type auxiliary ducts 5 are of a linear structure, and correspondingly each of the convex ribs 4 is also of a linear structure; certainly, an auxiliary duct 5 of a curvilinear structure can also be used, and achieve the same effects as above. It can be seen from Fig. 1 that the respective convex ribs 4 are arranged on the brush underplate 2 in a comb-teeth form.
the primary duct opening 3a is of a prolate structure, and the auxiliary duct 5 is disposed vertically to the primary duct opening 3a; that is, there is an angle of 0-90° between the length direction of the auxiliary duct 5 and the length direction of the primary duct opening 3a, with the length of the auxiliary duct 5 extending in the front and rear direction.
the angle between the length direction of the auxiliary duct 5 and the length direction of the primary duct opening 3a can also be set to have any degree of angle within the range of 0-90°(inclined, vertical, or horizontal), which can also achieve the same effects as above.
auxiliary duct 5 is disposed on the front and rear sides at the center of the primary duct opening 3a. If no electrostatic strip 7 is disposed at the primary duct opening 3a, the auxiliary ducts 5 can be disposed all over on the front and rear sides of the primary duct opening 3a on the brush underplate 2, as shown in Fig. 3 .

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Nozzles For Electric Vacuum Cleaners (AREA)
Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

EP14192755.8A 2014-08-22 2014-11-12 Bodendüse Active EP2987444B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CN201410417942.XA CN104146658B (zh)	2014-08-22	2014-08-22	一种地刷

Publications (2)

Publication Number	Publication Date
EP2987444A1 true EP2987444A1 (de)	2016-02-24
EP2987444B1 EP2987444B1 (de)	2018-01-03

Family

ID=51872451

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14192755.8A Active EP2987444B1 (de)	2014-08-22	2014-11-12	Bodendüse

Country Status (2)

Country	Link
EP (1)	EP2987444B1 (de)
CN (1)	CN104146658B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN108888179A (zh) *	2018-09-28	2018-11-27	天佑电器（苏州）有限公司	一种吸尘器梳齿结构及吸尘器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN105361808B (zh) *	2015-09-25	2018-10-19	江苏美的清洁电器股份有限公司	吸尘器地刷以及具有其的吸尘器
CN107374504A (zh) *	2017-08-18	2017-11-24	江苏美的清洁电器股份有限公司	地刷以及吸尘器

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GB543133A (en) *	1939-09-25	1942-02-11	Electrolux Ltd	Improvements in nozzles for vacuum cleaners
EP2060219A2 (de) *	2007-11-16	2009-05-20	Samsung Electronics Co., Ltd.	Staubsauger
GB2470407A (en) *	2009-05-22	2010-11-24	Dyson Technology Ltd	Attachment for a vacuum cleaning appliance

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JP2001231723A (ja) *	2000-02-22	2001-08-28	Toshiba Tec Corp	吸込口体およびこの吸込口体を用いた循環式電気掃除機
JP2002223992A (ja) *	2001-01-31	2002-08-13	Yukio Uekatano	空気噴射口付き掃除機
DE202005020507U1 (de) *	2005-12-20	2006-04-13	Alfred Kärcher Gmbh & Co. Kg	Bodendüse für Staubsauger
DE102006024439A1 (de) *	2006-05-24	2007-11-29	BSH Bosch und Siemens Hausgeräte GmbH	Mehrkanaldüse für Bodenpflegegeräte
JP2010207467A (ja) *	2009-03-11	2010-09-24	Sanyo Electric Co Ltd	電気掃除機用吸込具
EP2453780B1 (de) *	2009-07-16	2013-11-13	Dyson Technology Limited	Kopf zur oberflächenbehandlung
CN201564417U (zh) *	2009-11-19	2010-09-01	苏州莱尔特清洁器具有限公司	一种吸尘器用的地刷
CN103082948A (zh) *	2011-11-03	2013-05-08	张善菊	一种改进的吸尘器地刷
CN202801479U (zh) *	2012-09-17	2013-03-20	莱克电气股份有限公司	一种具有双吸口的吸尘器地刷
CN103654621B (zh) *	2012-09-17	2016-03-23	莱克电气股份有限公司	具有双吸口的吸尘器地刷
CN203506607U (zh) *	2013-08-13	2014-04-02	莱克电气股份有限公司	改进型吸尘器地刷
CN203564182U (zh) *	2013-10-24	2014-04-30	科沃斯机器人科技(苏州)有限公司	吸尘器用地刷及其吸尘器
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2014
- 2014-08-22 CN CN201410417942.XA patent/CN104146658B/zh active Active
- 2014-11-12 EP EP14192755.8A patent/EP2987444B1/de active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT117295B (de) *	1927-07-12	1930-04-10	Fisker & Nielsen As	Staubsauger.
GB543133A (en) *	1939-09-25	1942-02-11	Electrolux Ltd	Improvements in nozzles for vacuum cleaners
EP2060219A2 (de) *	2007-11-16	2009-05-20	Samsung Electronics Co., Ltd.	Staubsauger
GB2470407A (en) *	2009-05-22	2010-11-24	Dyson Technology Ltd	Attachment for a vacuum cleaning appliance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN108888179A (zh) *	2018-09-28	2018-11-27	天佑电器（苏州）有限公司	一种吸尘器梳齿结构及吸尘器
CN108888179B (zh) *	2018-09-28	2024-05-17	天佑电器（苏州）有限公司	一种吸尘器梳齿结构及吸尘器

Also Published As

Publication number	Publication date
EP2987444B1 (de)	2018-01-03
CN104146658B (zh)	2017-01-11
CN104146658A (zh)	2014-11-19

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