CN1781438B - Telescopic wand for vacuum cleaner - Google Patents
Telescopic wand for vacuum cleaner Download PDFInfo
- Publication number
- CN1781438B CN1781438B CN 200510124891 CN200510124891A CN1781438B CN 1781438 B CN1781438 B CN 1781438B CN 200510124891 CN200510124891 CN 200510124891 CN 200510124891 A CN200510124891 A CN 200510124891A CN 1781438 B CN1781438 B CN 1781438B
- Authority
- CN
- China
- Prior art keywords
- pipe
- extension rod
- drive unit
- handle
- burnisher
- 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.)
- Expired - Fee Related
Links
Images
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
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/242—Hose or pipe couplings
- A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
A wand for a vacuum cleaner comprises a handle (15) and an elongate, telescopic tube assembly (16,17)extending from the handle and, in use, having a cleaning tool (18) fitted to distal end. Drive means (19) connected between the two tubes (16,17) are arranged to increase the extension of the tubes in response to the cleaning tool being urged forwardly, by the user gripping the wand by its handle and urging it forwardly, and to reduce the extension of the tubes in response to the cleaning tool being urged rearwardly.
Description
Technical field
The present invention relates to be used for the method for the extension rod and the vacuum cleaner that use is provided with this extension rod of vacuum cleaner.
Background technology
So-called drum type brake or canister type vacuum cleaner are known.This dust catcher comprises the main body that is combined with motor-fan unit and filter bag or separation and collection dust usefulness cyclone separator.In use, the air that is entrained with dust is inhaled into vacuum cleaner main body by motor/fan unit along the tubular elongate bar, and wherein said tubular elongate bar is connected to vacuum cleaner main body by flexible hose.The burnisher on cooperation floor is connected to the far-end away from flexible hose of extension rod.The end away from burnisher of extension rod is equipped with handle, and the user grasps described handle with repeatedly mobile back and forth extension rod and relevant burnisher thereof on the surface that is cleaned.
In use, extension rod should be with 30 to the miter angle surface tilt that is cleaned relatively, and burnisher has correct attitude on the floor like this.Yet the angle dependence that extension rod kept is in user's height and the posture of being liked.The length of many extension rods is fixed, perhaps can only be by adding or removing the length that the prolongation pipe of elongation is regulated extension rod.Thus, such danger is arranged, promptly extension rod may not can be tilted to the surface that is cleaned with correct angle, and perhaps the user may be tired in attempting the maintenance extension rod with the angle that is unsuitable for its height or preferred posture.
In order to overcome this problem, a kind of extension rod has been proposed, this extension rod comprises the pipe assembly, described pipe assembly comprises a pair of rigid pipe that telescopically each other links together, described paired rigid pipe is provided with locking mechanism, described locking mechanism is included in a hook on the pipe, is used for engaging selectively any of a series of transverse grooves of longitudinally being formed on another pipe, makes that described pipe can be locked mutually at the place, selected location that longitudinally prolongs.A kind of this class component is disclosed in European patent EP 0293518.
In use, the user can activate locking mechanism, to set the extension rod expanded range of the most comfortable that is fit to its height or preferred posture.The extension of extension rod can also be conditioned, below help cleaning desk or other furniture.
The problem of this telescopic extension rod is that the user may have to use the length of two hand adjustment joint extension rods.Especially in cleaning, be difficult to regulate the whole length of extension rod for the user.And, owing to the minimum interval of the lock slots that is had on the pipe, the feasible accurate adjusting that can not realize to the length of extension rod.
Provide solution for this problem by the flexible extension rod that discloses in the International Patent Application WO 01/65992, wherein the tooth bar of longitudinal extension is arranged on down on the pipe, and motor-driven (motorized) worm gear is arranged on the pipe.Switch is arranged on the handle portion of extension rod, is used for the extension of actuation motor with the adjusting extension rod, and does not need the user to grasp pipe.Extension can be set at any position between complete extended position and the complete punctured position.Also can in cleaning, regulate extend, for example make extension rod can more easily arrive furniture below.
The shortcoming of known extension rod is that cleaning back and forth moves and makes people's fatigue easily repeatedly, especially for the user of modest physique or the wider zone of cleaning surperficial the time.In addition, when burnisher being moved to some zones on the surface that is cleaned, can have any problem.
Summary of the invention
According to the present invention, a kind of extension rod (wand) that is used for vacuum cleaner is provided, described extension rod comprises handle and prolongs the pipe assembly, described prolongation pipe assembly extends and establishes for the burnisher that will be set on its far-end from described handle, described pipe assembly comprises that first and second of telescopically interconnection prolongs pipe, and drive unit, described drive unit is connected between the described pipe, be used to change the extension of described pipe, described drive unit is configured to: when described burnisher was pushed forward through when surface to be cleaned, described drive unit responds and the extension that increases described pipe; When described burnisher is pulled rearward movingly during through surface to be cleaned, described drive unit responds and reduces the extension of described pipe.
And according to the present invention, provide a kind of method of clean surface, described method comprises step:
A kind of vacuum cleaner is provided, described vacuum cleaner comprises extension rod, burnisher on prolongation pipe assembly that described extension rod has handle, extend from described handle and the far-end that is arranged on described pipe assembly, described pipe assembly comprises: first and second of telescopically interconnection prolongs pipe and drive unit, described drive unit is connected between the described pipe, is used to change the extension of described pipe;
Make described burnisher and surface engagement to be cleaned;
Promote described burnisher forward and make it, and make described drive unit increase the extension of described pipe through surface to be cleaned; And
Pull back described burnisher and make it, and make described drive unit reduce the extension of described pipe through surface to be cleaned.
In use, in moving process forward and backward, with user's hand move extension rod the distance of process compare, burnisher can move through bigger distance on the surface that is cleaned.Like this, for the user, clean operation causes littler fatigue.
In the process of moving forward, that burnisher can extend into the surface that is cleaned otherwise the zone that will be difficult to arrive.
Preferably, forward and mobile being continuously repeated backward, so that little by little on whole surface to be cleaned, move the burnisher that cooperates the floor.The scalable extension rod that discloses in the International Patent Application WO 01/65992 is not suitable for the method according to this invention, and is very little because the tooth pitch of tooth bar needs, and providing required limited control, and prevents that motor from stopping up.Thus, worm gear is advanced time of being spent considerably beyond time that the user advances extension rod forward or backward and spent along the length of the present invention that is suitable for of tooth bar.
Another shortcoming is, the providing of motor with abundant power is very expensive, and needs cable with the motor of power supply to the extension rod.This cable is damaged easily, and therefore needs the low voltage of carrier band, to prevent to injure the user.Low-voltage is merely able to produce low power and does not have excessive electric current, so motor will not have sufficient power and extend and the indentation pipe in mode fast and effectively.And the use of low-voltage cable need provide expensive power supply.
In extension rod of the present invention, preferably, drive unit is provided for applying power, with the antagonism bias effect first and second pipes is relatively moved along a direction, and when stopping to apply power, first and second pipes is relatively moved along opposite direction.Preferred drive unit applied force is used to make the first and second pipe antagonism bias voltages and indentation when power stops, under bias effect, is extended described pipe then.Optionally, pipe antagonism bias voltage is extended by the drive unit applied force, then under bias effect, when power stops, the described pipe of indentation.Instead, drive unit second power that can be provided for applying first power that makes the relative indentation of pipe and pipe is extended.
Preferably, the operating parts that is used for drive unit is arranged on handle, and is arranged to be grasped by the user, so that when burnisher is pushed ahead, be moved along a direction with respect to handle, and be pulled rearward when moving, be moved along opposite direction at burnisher.Preferably, operating parts comprises sleeve pipe, and described sleeve pipe is slidably mounted on the handle, so that move along extending to the line of managing the assembly longitudinal axis with 30 to miter angle: therefore, in use, operating parts can be moved along the line that is roughly parallel to the surface that is cleaned.
Preferably, drive unit comprises pneumatic actuator, and described pneumatic actuator is configured to be activated by the air pressure that vacuum cleaner produces, and wherein extension rod is used in the described vacuum cleaner.This air pressure can be from the upstream side and/or the downstream of the motor/fan unit of vacuum cleaner.Be that pneumatic actuator is present in the ducted negative pressure actuating of longitudinal air flow in the extension rod in the time of can being configured to by use easily.
And, according to the present invention, a kind of extension tubing that is used for vacuum cleaner is provided, described extension rod comprises handle and prolongs manages assembly, and described prolongation pipe assembly extends from described handle, and described pipe assembly comprises that first and second of telescopically interconnection prolongs pipe and drive units, described drive unit is connected between the described pipe, be used to change the extension of described pipe, described drive unit comprises pneumatic actuator, and described pneumatic actuator is configured to by the pneumatic actuation from vacuum cleaner.
Description of drawings
By with reference to the accompanying drawings, describe embodiments of the invention, wherein in the mode of example:
Fig. 1 is the side view of traditional canister type vacuum cleaner;
Fig. 2 is the concise and to the point side view according to the extension rod of vacuum cleaner of the present invention;
Fig. 3 is the concise and to the point cutaway view by the control valve of extension rod shown in Figure 2, and described valve is illustrated in the structure that wherein extension rod is shortened; And
Fig. 4 is the concise and to the point cutaway view by control valve shown in Figure 3, and described valve is illustrated in the structure that wherein extension rod is extended.
The specific embodiment
With reference to figure 1, traditional canister type vacuum cleaner comprises the main body 10 of holding motor/fan unit 11 and dust separator 12.Extension rod 13 is connected to main body 10 by prolonging flexible hose 14.In use, dust separator 12 is used for separating dust and dust from air-flow, and wherein said air communication is crossed motor/fan unit 11 and is drawn through and in the main body 10 along extension rod 13.
In use, handle 15 persons of being operated grasp, and be used to promote burnisher 18, and burnisher 18 is moved on surface to be cleaned, normally reciprocally moves around.
With reference to figure 2, show according to extension rod of the present invention, wherein with Fig. 1 in the similar parts of extension rod represent with identical Reference numeral.Manage sealing of 17 upper end and telescopically down and be installed in the lower end of pipe 16, be used between the position of extending fully and being fully retracted mobile.Pneumatic actuator 19 is arranged on the outside of extension rod, and is included in cylinder 20 and slide block or piston 21 that its upper end is mounted to pipe 16, and described slide block or piston are slidably mounted in the cylinder 20 and at its lower end and are fixed to pipe 17 down.Compression spring 22 also is arranged on the outside of extension rod, and is connected to upper and lower pipe 16,17 respectively with lower end thereon.
The inside of cylinder 20 is connected to valve module 23 by flexible duct 24, described valve module 23 be arranged on handle 15 on rear section 26, describedly extend to pipe 16,17 longitudinal axis with 30 to miter angle along the direction that is roughly parallel to the surface that is cleaned in use to rear section 26.
With reference to figure 3 and 4, valve module 23 comprises sleeve pipe 25, and described sleeve pipe 25 is slidably mounted on the part 26 of handle 15, is used for moving between position (Fig. 3) and the forward facing position (Fig. 4) backward.Moving forward and backward by 28,29 restrictions of each annular stop element of sleeve pipe 25, wherein each annular actuation element 28,29 is arranged on the separate part office on the part 26 of handle 15.
In use, extend fully when extension rod is initial as shown in Figure 2, the user keeps handle by the sleeve pipe 25 that grasps valve 23, and to the vacuum cleaner energising, so that air communication is crossed extension rod.When extension rod is pushed rearward when moving along direction A, sleeve pipe 25 slides backwards on the position of Fig. 3, thereby aliging (registerwith) in the hole 30 in the wall of the inner that makes the passage 27 in the sleeve pipe and the part 26 of handle 15, and the secondary air pressure in the extension rod is connected to the inside of pneumatic cylinder 20 by pipeline 24.In its position backward, the near-end of sleeve pipe 25 is back stopping element 29 and sealing relatively, closing pipeline 31, and prevents any suction loss in the passage 27.
The bias voltage of the pressure antagonism spring 22 that is reduced in the cylinder 20 is the slide block 21 of air-breathing moving actuator 19 inwardly, draws in pipe 16 will descend pipe 17, thereby shortens extension rod.
When the user who still grasps sleeve pipe 25 when the B direction promotes extension rod forward, sleeve pipe 25 slides into position shown in Figure 4 forward, do not align thereby move the inner that makes the passage 27 in the sleeve pipe 25, and the secondary air pressure in the extension rod and the internal insulation of pneumatic cylinder 20 are left with the hole 30 in the wall of the part 26 of handle 15.In its forward facing position, the near-end of sleeve pipe 25 is arranged to away from back stopping element 29 with opening conduits 31, thereby allows the inside of pneumatic cylinder 20 to pass to atmosphere, and allows spring 22 will descend pipe 17 to release to go up pipe 16, thereby extends extension rod.
Aforementioned mobile effect is: during cleaning, be extended when extension rod is pushed forward, when extension rod is pulled rearward when moving by indentation.Thus, cooperate the reciprocating haul distance of the cleaning head 18 on floor to be far longer than haul distance under the situation that user's hand just moves.Like this, the user can clean bigger zone in each stroke, and clean operation is difficult for making people's fatigue as a result.
Be appreciated that in the actual implementation process of aforementioned structure pneumatic cylinder 20 and compression spring 22 preferably are integrated in the tubular elongate bar structure, rather than form the separate part on the outside that is installed in flexible suction tube.It is contemplated that pneumatic cylinder 20 and compression spring 22 can be installed into pipe 16,17 concentric.
Preferably, extension rod comprises and is used for pipe 16,17 is locked in one or more select locations, wherein said one or more select location be its extend fully and the position that is fully retracted between the position: then, the user can use extension rod in a conventional manner, and extension rod is locked in required extended position place.
Claims (13)
1. extension rod that is used for vacuum cleaner, described extension rod comprises handle and prolongs the pipe assembly, described prolongation pipe assembly extends from described handle, described pipe assembly comprises that first and second of telescopically interconnection prolongs pipe and drive unit, described drive unit is connected between the described pipe, be used to change the extension of described pipe, described drive unit comprises pneumatic actuator, described pneumatic actuator is configured to be activated by the air pressure from vacuum cleaner, and wherein said pneumatic actuator comprises valve module, cylinder and piston;
Described pipe assembly will be set for the burnisher on its far-end, and described drive unit is configured to: respond described burnisher and be pushed forward the extension that increases described pipe through the described drive unit in surface to be cleaned; Respond described burnisher and be pushed rearward moving process surface to be cleaned, described drive unit reduces the extension of described pipe.
2. extension rod according to claim 1, wherein said pneumatic actuator are configured to by being activated from the upstream side of the motor/fan unit of vacuum cleaner and/or the air pressure in downstream.
3. extension rod according to claim 2, wherein said pneumatic actuator are configured to be activated by the ducted negative pressure of longitudinal air flow from described extension rod.
4. extension rod according to claim 1, wherein, described drive unit is provided for applying power, with the antagonism bias effect the described first and second prolongation pipes are relatively moved along a direction, and when stopping described power, described bias effect makes the described first and second prolongation pipes relatively move along opposite direction.
5. extension rod according to claim 4, wherein, described drive unit is arranged to apply described power makes described pipe resist described bias voltage and indentation, and when described power stops, extending described pipe under described bias effect.
6. extension rod according to claim 4, wherein, described drive unit is arranged to apply described power and makes described pipe resist described bias voltage and extend, and when described power stops, the described pipe of indentation under described bias effect.
7. extension rod according to claim 1, wherein said drive unit are provided for applying first power that described pipe relatively moves along a direction and second power that described pipe is relatively moved in opposite direction of making.
8. according to each described extension rod in the aforementioned claim, the operating parts that wherein is used for described drive unit is arranged on described handle, and be arranged to grasp by the user, so that when described burnisher is pushed ahead, be moved along a direction with respect to described handle, and be pushed rearward when moving at described burnisher, along opposite direction by dislocation.
9. extension rod according to claim 8, wherein said operating parts is slidably mounted on the described handle.
10. extension rod according to claim 9, wherein said operating parts is slidably mounted on the described handle, so that along moving with 30 lines that extend to described pipe assembly longitudinal axis to miter angle.
11. the method for a clean surface, described method comprises step:
A kind of vacuum cleaner is provided, described vacuum cleaner comprises extension rod, burnisher on prolongation pipe assembly that described extension rod has handle, extend from described handle and the far-end that is arranged on described pipe assembly, described pipe assembly comprises: first and second of telescopically interconnection prolongs pipe and drive unit, described drive unit is connected between the described pipe, is used to change the extension of described pipe; Wherein said drive unit comprises pneumatic actuator, and described pneumatic actuator is configured to be activated by the air pressure from vacuum cleaner, and wherein said pneumatic actuator comprises valve module, cylinder and piston;
Make described burnisher and surface engagement to be cleaned, promote described burnisher process surface to be cleaned forward and make described drive unit increase the extension of described pipe; And
Promote described burnisher backward and make it, and make described drive unit reduce the extension of described pipe through surface to be cleaned.
12. method according to claim 11, wherein burnisher forward and mobile being continuously repeated backward.
13. according to claim 11 or 12 described methods, wherein the user grasps described handle by the operating parts that is used for described drive unit, described operating parts is installed on the described handle, so that when the user promotes cleaning head forward, move along a direction with respect to described handle, and when the user promotes cleaning head backward, move in opposite direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0425626A GB0425626D0 (en) | 2004-11-22 | 2004-11-22 | Wand assemblies for vacuum cleaners |
| GB0425626.9 | 2004-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1781438A CN1781438A (en) | 2006-06-07 |
| CN1781438B true CN1781438B (en) | 2011-08-10 |
Family
ID=33548638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510124891 Expired - Fee Related CN1781438B (en) | 2004-11-22 | 2005-11-22 | Telescopic wand for vacuum cleaner |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1661502B1 (en) |
| CN (1) | CN1781438B (en) |
| GB (1) | GB0425626D0 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2440503A (en) * | 2006-07-31 | 2008-02-06 | Husqvarna Uk Ltd | Debris collector |
| US20100206336A1 (en) * | 2009-02-18 | 2010-08-19 | Sami Souid | Extendable vacuum cleaner |
| CN109310253B (en) * | 2016-05-30 | 2021-02-05 | 阿尔弗雷德·卡赫欧洲两合公司 | Vacuum cleaner and method for operating a vacuum cleaner |
| DE102016117850A1 (en) | 2016-09-22 | 2018-03-22 | Miele & Cie. Kg | Telescopic tube device for a vacuum cleaner, vacuum cleaner and method for extending a telescopic tube device |
| CN106419748B (en) * | 2016-12-06 | 2018-01-19 | 宁波柏瑞电器有限公司 | A kind of vacuum cleaner |
| CN109909209B (en) * | 2019-04-15 | 2024-08-23 | 广西职业技术学院 | Portable full-automatic moss cleaning device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0293518A1 (en) * | 1987-06-03 | 1988-12-07 | Carl Froh Röhrenwerk GmbH & Co | Telescopic vacuum cleaner suction hose |
| EP0664988A1 (en) * | 1994-01-31 | 1995-08-02 | AEG Hausgeräte GmbH | Telescopic suction tube with a helical electric conductor |
| CN1356088A (en) * | 2000-11-28 | 2002-07-03 | 弗罗豪斯技术两合公司 | Telescopic sleeve pipe type sucking pipe of duster |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200200566Y1 (en) | 2000-03-07 | 2000-10-16 | 은성전자주식회사 | Inhalation pipe of vacuum cleaner |
| GB2383257B (en) * | 2001-12-21 | 2005-08-10 | Dyson Ltd | Cleaner head for a vacuum cleaner |
-
2004
- 2004-11-22 GB GB0425626A patent/GB0425626D0/en not_active Ceased
-
2005
- 2005-11-17 EP EP20050257082 patent/EP1661502B1/en not_active Not-in-force
- 2005-11-22 CN CN 200510124891 patent/CN1781438B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0293518A1 (en) * | 1987-06-03 | 1988-12-07 | Carl Froh Röhrenwerk GmbH & Co | Telescopic vacuum cleaner suction hose |
| EP0664988A1 (en) * | 1994-01-31 | 1995-08-02 | AEG Hausgeräte GmbH | Telescopic suction tube with a helical electric conductor |
| CN1356088A (en) * | 2000-11-28 | 2002-07-03 | 弗罗豪斯技术两合公司 | Telescopic sleeve pipe type sucking pipe of duster |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1781438A (en) | 2006-06-07 |
| EP1661502B1 (en) | 2012-09-12 |
| EP1661502A3 (en) | 2010-05-12 |
| GB0425626D0 (en) | 2004-12-22 |
| EP1661502A2 (en) | 2006-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1781438B (en) | Telescopic wand for vacuum cleaner | |
| AU2001232024B2 (en) | Hose and wand assembly | |
| US8108967B2 (en) | Handle assembly for a cleaning appliance | |
| AU2007283503C1 (en) | Handle assembly for a cleaning appliance | |
| JP4031436B2 (en) | Vacuum cleaner head for vacuum cleaner | |
| EP1733673B2 (en) | Vacuum cleaner | |
| US20080282495A1 (en) | Vacuum Cleaner Apparatus | |
| US20070157425A1 (en) | Vacuum cleaner apparatus with a retractable hoses | |
| CN101273862B (en) | Hand-operated adjustable vacuum nozzle | |
| JP4167219B2 (en) | Vacuum cleaner | |
| US7343640B1 (en) | Automatic festooned hose apparatus for public transit vacuuming systems and methods for using same | |
| EP1505900A1 (en) | Handle assembly for suction cleaner | |
| CN102048497B (en) | Electric vacuum cleaner | |
| MXPA06008803A (en) | Vacuum cleaners and hoses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20171122 |