CN104853662B - The valve of the suction nozzle of dust catcher - Google Patents
The valve of the suction nozzle of dust catcher Download PDFInfo
- Publication number
- CN104853662B CN104853662B CN201380064211.5A CN201380064211A CN104853662B CN 104853662 B CN104853662 B CN 104853662B CN 201380064211 A CN201380064211 A CN 201380064211A CN 104853662 B CN104853662 B CN 104853662B
- Authority
- CN
- China
- Prior art keywords
- suction nozzle
- valve
- dust catcher
- base
- intake line
- 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.)
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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
-
- 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
- A47L9/0455—Bearing means therefor
-
- 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
Abstract
The present invention relates to a kind of suction nozzle of dust catcher (1), the suction nozzle includes base (14), the base includes at least one intake line (10), at least one intake line is opened towards ground and converged towards inlet hole (9) from the outward flange of the base (14), the inlet hole and the pneumatic connection of dust catcher, the base (14) of the suction nozzle includes dismountable valve (13), the valve includes the inlet hole (9) and at least one intake line (20), at least one intake line (20) opened towards ground and be arranged in the base (14) at least one intake line (10) opposite.
Description
Technical field
This patent disclosure relates generally to the suction nozzle of the dust catcher equipped with the valve for touching powered brush.
Background technology
Up to now, the suction nozzle of the dust catcher for example described in document FR1158711 known in the state of the art, wherein
Disclosed suction nozzle includes lower bottom base, and the lower bottom base includes at least one intake line, at least one intake line direction
Ground opens and is converged towards the inlet hole being connected with dust catcher from the outward flange of base.Disclosed suction nozzle is triangle
, and the suction nozzle may include powered brush in a modified example.However, the system is had the drawback that without any powered brush
Protection element, the powered brush directly contacts with ground.In the case of accompanying drawing, can be observed, when suction nozzle is in special construction
When using, powered brush is damaged when element is contacted with the rotary shaft of brush.
Document GB2413942 discloses a kind of suction nozzle of the valve equipped with for touching powered brush.Powered brush is in the work
Inserted behind door, and the valve allows to protect powered brush to a certain extent when using suction nozzle.The advantage of the structure
It is that the axle of the brush is protected by valve, and the danger for damaging is limited.However, the shortcoming of the system is to obtain the peace of powered brush
The suction quality of suction nozzle is lowered during full property.In fact, in the publication, the base of valve is about flat, it means that institute
Having the air being inhaled into is inhaled into by the inlet hole being integrated in valve.In this case, not to air towards suction
The control of the speed of the inside of head.
The content of the invention
The purpose of the present invention is the shortcoming of the document for overcoming prior art mentioned above, and provides one first in particular
The suction nozzle of kind of dust catcher, wherein dismountable powered brush is protected and can touched by user, and sucks quality and is not dropped
It is low.
Therefore, the first aspect of the present invention is related to a kind of suction nozzle of dust catcher, the suction nozzle includes base.The base bag
Include at least one intake line, at least one intake line is opened towards ground, and the intake line is from the bottom
The outward flange of seat is converged towards inlet hole, the inlet hole and the pneumatic connection of dust catcher.According to the present invention, the base includes can
The valve of dismounting, the valve includes the inlet hole and at least one intake line, at least one intake line direction
Ground open and be arranged in the base at least one intake line opposite.So, the liftable suction nozzle of user
Valve and be placed back into, and the conduit being thusly-formed by the way that the pipeline of the pipeline of base and valve is combined is defined
The path of the air-flow for being guided towards the inlet hole.So, suction efficiency is not reduced and dust is effectively inhaled into.
Advantageously, the suction nozzle of the dust catcher includes the cavity opened towards ground, and the valve be arranged in it is described
On cavity, it means that the valve can at least in part cover the cavity.
An especially significant implementation is that the valve intactly covers the cavity.In the situation of accompanying drawing,
The area of the valve is equal to the area of the cavity towards the surface orientation.
Advantageously, the valve of the suction nozzle of the dust catcher includes the hook for being maintained at the valve on the base
Device.
Advantageously, the hook of the valve is Cardholder system.The hook this have the advantage that quick manipulation is lived
Door.Therefore user can quickly lift valve to enter cavity, or valve is rapidly put back to for isolating cavity.
According to the present invention, the suction head of suction cleaner is have a generally triangular shape, and the triangle has the movement for pointing to the suction nozzle
The tip in direction.When user operates suction nozzle, it can move suction nozzle in any direction on ground, and there is preferential movement side
To the preferential moving direction is generally given by the structure taken turns.Within the scope of the invention, preferential moving direction by by
Suction nozzle formed triangle bisector and give.So, the moving direction of suction nozzle is pointed at the tip of suction nozzle.
Advantageously, the longitudinal axis of the valve is approximately perpendicular to the moving direction of the suction nozzle.
Advantageously, the suction nozzle of the dust catcher includes dismountable powered brush.The powered brush can be removed by the user for
The need for being used for the need for the replacing maintenance of brush or even the cleaning brushed.According to different implementation modified examples, the brush can have
Different shapes and different rotation modes.
Advantageously, the suction nozzle of the dust catcher includes wheel, and the wheel limits the minimum ground clearance of the base.In other words
Say, the lower bottom base of the suction nozzle and the suction nozzle is positioned by the wheel and ground separation predetermined altitude.Steamboat can be added
In base position below to suction nozzle.
The second aspect of the present invention is related to a kind of dust catcher, and the dust catcher includes at least one of the invention first
Suction nozzle described in aspect.
Brief description of the drawings
It is being given with non-limiting way of example and by the detailed of embodiments of the present invention shown in the drawings by studying
Describe in detail bright, be better understood with other features and advantages of the present invention, in the accompanying drawings：
- Fig. 1 shows the top perspective view of suction nozzle of the invention；
- Fig. 2 shows the upward view of the suction nozzle of Fig. 1；
- Fig. 3 shows the face upwarding stereogram of the suction nozzle of dust catcher；
What-Fig. 4 showed suction nozzle looks up three-dimensional exploded view.
Specific embodiment
Fig. 1 shows the suction nozzle 1 of dust catcher, and the suction nozzle includes base 14 and wheel 2, and the profile of the scrolling bands 15 of the wheel is in roller
Form, and when suction nozzle 1 is placed on smooth earth the wheel limit base 14 minimum ground clearance.At least two steamboats
3 are further placed in below base 14.The overall shape triangular in shape of suction nozzle 1, and triangle the shifting that is positioned at suction nozzle 1 of tip 30
In dynamic direction.
In a specific implementation method, sealed lip or sealing skirt 4 are arranged around base 14.The sealing skirt 4
The leakage between smooth ground and base 14 is eliminated, and for good suction efficiency, sealing skirt 4 to be the bottom of at
The opposite of pipeline 10 of seat 14 is perforate so that the air being inhaled into below base 14 is only directly entered the pipeline 10 of base 14
In.Because because all air being inhaled into are all by pipeline, the air velocity in the pipeline 10 of base 14 is maximum, institute
The good suction of the foul on ground is caused with this.
Wheel 2 orientates suction nozzle 1 as has a height relative to ground.Sealing skirt 4 scrapes ground, to eliminate on ground
And the air between base 14 is revealed, and the opening 5 of the sealing skirt 4 on the opposite of pipeline 10 is directly arranged at so that air passes through
In the pipeline, to take away the foul resting on the ground.
Fig. 2 allows to see base 14 have multiple intake lines 10 on the base, and the intake line is opened towards ground
Put, and intake line 10 is converged from the outward flange of base 14 towards inlet hole 9, inlet hole and the pneumatic company of dust catcher (not shown)
Connect.What the air-flow that pneumatic connection refers to converging in inlet hole 9 was connected then across the suction and filtration system with dust catcher
Flexible pipe (not shown) and be inhaled into.In the case of the present invention, at least one of pipeline pipeline 10 leads to the tip of suction nozzle 1
In 30.
Within the scope of the invention, suction nozzle 1 include valve 13, valve be located substantially at in the identical plane of base 14.Should
Valve 13 includes inlet hole 9 and the intake line 20 opened towards ground.The intake line of these intake lines 20 and base 14
It is relatively arranged, to keep suction airflow.In other words, the pipeline 10 of the pipeline 20 of valve 13 and base 14 has profile big
Cause similar coupling part.In the case of shown in Fig. 2, in addition to the coupling part substantially similar with them, valve 13
Pipeline 20 and base 14 pipeline 10 over their entire lengths have roughly the same diameter.This purpose having is to produce
Raw rule by pipeline, its allow by drastically change of the air-flow without its flow.Therefore, from the pipeline 10 of base 14
Outer end is no more than 5% until the inner end of the pipeline 20 of the valve 13 at inlet hole 9, the change of diameter.Due to the device,
Suction quality is kept.
As shown in figure 3, the valve 13 is dismountable, and can be removed from base 14.The valve 13 is substantially rectangular simultaneously
And including hook.In this case, the hook is made up of mechanical clip, and the mechanical clip is by pin 7 and the structure of groove 6
Into.This device allows user to remove the valve 13 without handling instrument, such as screwdriver or hexagonal public affairs spanner.Cause
This, this device this have the advantage that and rapidly remove valve 13.In order to be operated, user applies simply at pin 7
Mechanical pressure, this has the effect that the release pin from retaining groove 6, and therefore liftable valve 13.Opposite operation
Speed quickly, because in only needing user that pin 7 slides into the groove 6 configured for this, and apply on valve 13 at pin 7
Small pressure, so that valve 13 is kept by these clips.
When user discharge suction nozzle 1 valve 13 when, the accessible cavity 21 of user, the cavity behind the valve 13 simultaneously
And in suction nozzle 1.Within the scope of the invention, the cavity 21 has the shape of approximately parallelepiped body and with its longitudinal axis,
The longitudinal axis is approximately perpendicular to the moving direction of suction nozzle 1.The longitudinal axis of valve 13 is corresponding with an axis, and the axis is from valve
Set out to the other end and extend in the direction of its length in 13 one end.The moving direction of suction nozzle 1 represents a direction, in the party
Suction nozzle 1 is used with normal occupation mode on the ground to middle user.Therefore, as previously mentioned, when normally making
When using suction nozzle with mode, the tip 30 of the suction nozzle 1 of triangle orients in the moving direction of suction nozzle 1.
Brush 8 is visible on Fig. 4, and within the scope of the invention, the brush 8 is electronic and is dismountable.The brush
Kept in the cavities in insertion cavity 21 and by hook.The hook can be different type, and in this hair
In bright scope, on the one hand the hook is made up of on the first side of brush groove 12, on the other hand on the opposite side of brush
It is made up of bayonet system 11.When the system (not shown) for driving brush rotation is started, the bayonet system 11 allows to revolve brush 8
Turn.
Therefore, in an embodiment of the invention, dust catcher produces air-flow, the air-flow to be inhaled into towards inlet hole 9
In pipeline 10.In this case, suction nozzle 1 includes the powered brush 8 protected by foregoing valve 13, and air-flow is first by pipe
Then road 10 passes through pipeline 20, to reach inlet hole 9.The addition of the protection valve 13 of brush 8 is allowed due to the pipeline of valve 13
20 and maintain constant suck stream and allow not reduce suction quality.
It should be understood that in the case of without departing from the scope of the present invention being defined by the claims appended hereto, to this
Various obvious changes and/or improvement can be considered in the present note described reality of the invention for art personnel
Apply mode.
Claims (9)
1. a kind of suction nozzle of dust catcher (1), the suction nozzle includes base (14), and the base includes at least one intake line
(10), at least one intake line is opened and from the outward flange of the base (14) towards inlet hole (9) towards ground
Convergence, the inlet hole and the pneumatic connection of dust catcher, it is characterised in that the base (14) includes dismountable valve (13),
The valve includes the inlet hole (9) and at least one intake line (20), at least one suction line of the valve
Road (20) opened towards ground and be arranged in the base (14) at least one intake line (10) opposite.
2. the suction nozzle (1) of dust catcher according to claim 1, it is characterised in that the suction nozzle includes being opened towards ground
Cavity (21), and the valve (13) is arranged on the cavity (21).
3. the suction nozzle (1) of dust catcher according to claim 2, it is characterised in that the valve (13) intactly covers institute
State cavity (21).
4. the suction nozzle (1) of the dust catcher according to any one of the claims, it is characterised in that valve (13) bag
Include the hook for the valve (13) being maintained on the base (14).
5. the suction nozzle (1) of the dust catcher according to a upper claim, it is characterised in that the hook is clip system
System.
6. the suction nozzle (1) of the dust catcher according to any one of claim 1-3, it is characterised in that the suction nozzle is substantially
Triangle, the triangle has the tip (30) of the moving direction for pointing to the suction nozzle (1).
7. the suction nozzle (1) of the dust catcher according to a upper claim, it is characterised in that the longitudinal axis of the valve (13)
It is approximately perpendicular to the moving direction of the suction nozzle (1).
8. the suction nozzle (1) of the dust catcher according to any one of claim 1-3, it is characterised in that the suction nozzle includes can
The powered brush (8) of dismounting.
9. the suction nozzle (1) of the dust catcher according to any one of claim 1-3, it is characterised in that the suction nozzle includes wheel
(2) and steamboat (3), the wheel limits the minimum ground clearance of the base (14), and the steamboat is positioned at the suction nozzle (1)
Below.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1262339 | 2012-12-19 | ||
| FR1262339A FR2999410B1 (en) | 2012-12-19 | 2012-12-19 | TRAPPER FOR VACUUM SUCKER |
| PCT/FR2013/053081 WO2014096646A1 (en) | 2012-12-19 | 2013-12-13 | Flap for vacuum cleaner suction head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104853662A CN104853662A (en) | 2015-08-19 |
| CN104853662B true CN104853662B (en) | 2017-06-13 |
Family
ID=47741151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380064211.5A Active CN104853662B (en) | 2012-12-19 | 2013-12-13 | The valve of the suction nozzle of dust catcher |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2934267B1 (en) |
| CN (1) | CN104853662B (en) |
| ES (1) | ES2900527T3 (en) |
| FR (1) | FR2999410B1 (en) |
| WO (1) | WO2014096646A1 (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10448794B2 (en) | 2013-04-15 | 2019-10-22 | Aktiebolaget Electrolux | Robotic vacuum cleaner |
| CN105101855A (en) | 2013-04-15 | 2015-11-25 | 伊莱克斯公司 | Robotic vacuum cleaner with protruding sidebrush |
| US9946263B2 (en) | 2013-12-19 | 2018-04-17 | Aktiebolaget Electrolux | Prioritizing cleaning areas |
| KR102137857B1 (en) | 2013-12-19 | 2020-07-24 | 에이비 엘렉트로룩스 | Robotic cleaning device and method for landmark recognition |
| US10045675B2 (en) | 2013-12-19 | 2018-08-14 | Aktiebolaget Electrolux | Robotic vacuum cleaner with side brush moving in spiral pattern |
| US10149589B2 (en) | 2013-12-19 | 2018-12-11 | Aktiebolaget Electrolux | Sensing climb of obstacle of a robotic cleaning device |
| US10433697B2 (en) | 2013-12-19 | 2019-10-08 | Aktiebolaget Electrolux | Adaptive speed control of rotating side brush |
| EP3082539B1 (en) | 2013-12-20 | 2019-02-20 | Aktiebolaget Electrolux | Dust container |
| EP3167341B1 (en) | 2014-07-10 | 2018-05-09 | Aktiebolaget Electrolux | Method for detecting a measurement error in a robotic cleaning device |
| US10499778B2 (en) | 2014-09-08 | 2019-12-10 | Aktiebolaget Electrolux | Robotic vacuum cleaner |
| EP3190938A1 (en) | 2014-09-08 | 2017-07-19 | Aktiebolaget Electrolux | Robotic vacuum cleaner |
| US10877484B2 (en) | 2014-12-10 | 2020-12-29 | Aktiebolaget Electrolux | Using laser sensor for floor type detection |
| WO2016091320A1 (en) | 2014-12-12 | 2016-06-16 | Aktiebolaget Electrolux | Side brush and robotic cleaner |
| JP6532530B2 (en) | 2014-12-16 | 2019-06-19 | アクチエボラゲット エレクトロルックス | How to clean a robot vacuum cleaner |
| JP6743828B2 (en) | 2015-04-17 | 2020-08-19 | アクチエボラゲット エレクトロルックス | Robot vacuum and method for controlling the robot vacuum |
| KR102445064B1 (en) | 2015-09-03 | 2022-09-19 | 에이비 엘렉트로룩스 | system of robot cleaning device |
| FR3041875B1 (en) * | 2015-10-05 | 2017-12-01 | Seb Sa | REMOVABLE HATCH COMPRISING A DEVICE FOR CLEANING A VACUUM SQUEEGEE BRUSH |
| JP7035300B2 (en) | 2016-03-15 | 2022-03-15 | アクチエボラゲット エレクトロルックス | Robot Cleaning Devices, Methods for Performing Escarpment Detection in Robot Cleaning Devices, Computer Programs, and Computer Program Products |
| WO2017194102A1 (en) | 2016-05-11 | 2017-11-16 | Aktiebolaget Electrolux | Robotic cleaning device |
| CN105996899B (en) * | 2016-07-11 | 2019-03-08 | 江苏美的清洁电器股份有限公司 | Ground brush assemblies and dust catcher |
| CN106175588B (en) * | 2016-07-11 | 2019-03-08 | 江苏美的清洁电器股份有限公司 | The bottom plate of scrubbing brush, brush assemblies and dust catcher |
| CN106175589B (en) * | 2016-07-11 | 2019-03-08 | 江苏美的清洁电器股份有限公司 | Ground brush assemblies and dust catcher |
| CN106073634B (en) * | 2016-08-15 | 2020-04-03 | 美的集团股份有限公司 | Dust collector floor brush and dust collector with same |
| DE102017208967B4 (en) * | 2017-05-29 | 2024-02-22 | BSH Hausgeräte GmbH | Suction cleaning robot |
| WO2018219473A1 (en) | 2017-06-02 | 2018-12-06 | Aktiebolaget Electrolux | Method of detecting a difference in level of a surface in front of a robotic cleaning device |
| WO2019063066A1 (en) | 2017-09-26 | 2019-04-04 | Aktiebolaget Electrolux | Controlling movement of a robotic cleaning device |
| FR3078244B1 (en) * | 2018-02-23 | 2021-02-19 | Seb Sa | VACUUM SUCKER COMBINING A FIRST AND A SECOND SUCTION HEAD CONNECTED TO BETWEEN BY A JOINT SYSTEM |
| FR3078245B1 (en) * | 2018-02-23 | 2020-02-07 | Seb S.A. | VACUUM CLEANER COMBINING A FIRST SUCTION HEAD AND A SECOND SUCTION HEAD |
| FR3080016B1 (en) * | 2018-04-17 | 2020-03-13 | Seb S.A. | VACUUM CLEANER HAVING A MAIN SUCTION CHANNEL AND A SECONDARY SUCTION CHANNEL |
| FR3089779B1 (en) * | 2018-12-17 | 2020-11-20 | Seb Sa | VACUUM SUCKER |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2969108A (en) | 1955-10-17 | 1961-01-24 | Macknight Bonna | Stabilized stool support |
| TW410593U (en) * | 1997-08-29 | 2000-11-01 | Sanyo Electric Co | Suction head for electric vacuum cleaner |
| CN2607938Y (en) * | 2001-12-27 | 2004-03-31 | 松下电器产业株式会社 | Motor-driven vacuum cleaner and nozzle of suction cleaner |
| US6799351B2 (en) * | 2002-03-29 | 2004-10-05 | Hmi Industries, Inc. | Floating nozzle |
| GB2393383B (en) * | 2002-09-24 | 2005-12-28 | Dyson Ltd | A vacuum cleaning head |
| GB2413942B (en) | 2004-05-13 | 2007-07-18 | Dyson Ltd | Tool for a surface treating appliance |
| FR2940036B1 (en) * | 2008-12-19 | 2011-02-18 | Seb Sa | VACUUM SUCKER |
-
2012
- 2012-12-19 FR FR1262339A patent/FR2999410B1/en active Active
-
2013
- 2013-12-13 CN CN201380064211.5A patent/CN104853662B/en active Active
- 2013-12-13 WO PCT/FR2013/053081 patent/WO2014096646A1/en active Application Filing
- 2013-12-13 ES ES13824606T patent/ES2900527T3/en active Active
- 2013-12-13 EP EP13824606.1A patent/EP2934267B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2999410B1 (en) | 2015-11-06 |
| FR2999410A1 (en) | 2014-06-20 |
| CN104853662A (en) | 2015-08-19 |
| ES2900527T3 (en) | 2022-03-17 |
| EP2934267B1 (en) | 2021-11-10 |
| EP2934267A1 (en) | 2015-10-28 |
| WO2014096646A1 (en) | 2014-06-26 |
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