CN100459921C

CN100459921C - Suction cleaners

Info

Publication number: CN100459921C
Application number: CNB2003801092814A
Authority: CN
Inventors: 克里斯托弗·T·埃尔斯沃西; 鲁本·普劳德; 本特·I·A·伊瓦尔斯森
Original assignee: Vax Ltd
Current assignee: Vax Ltd
Priority date: 2002-12-03
Filing date: 2003-12-02
Publication date: 2009-02-11
Anticipated expiration: 2023-12-02
Also published as: AU2003285552A1; GB0228153D0; RU2301614C2; JP2006508724A; CN1744840A; AU2003285552B2; EP1583449A1; MXPA05006025A; WO2004049887A1; US20060137128A1; RU2005120733A

Abstract

A suction cleaner of the cylinder type comprising a main unit (10) including a source of suction and a dust separating/collecting means; a flexible hose; a wand (17); and a cleaning head (19); wherein the main unit (10) is able to be stood on its end and there is releasable catch means providing for the wand (17) with cleaning head (19) attached to be releasably connected to the main unit (10).

Description

Dust catcher

Technical field

The present invention relates to a kind of cartridge type (sometimes also being referred to as pot type (canister type)) dust catcher (vacuum cleaner) because modern this dust catcher seldom is a cartridge type.

Background technology

A kind of cylinder cleaner comprises main unit and separator, the body of main unit comprises source of suction, be motor and the impeller that forms inspiratory airflow, separator will be collected and be entrained in dust, dirt and other floating thing in the air-flow (all referred to herein as dust) and separate from air-flow, subsequently they be disposed.Separator comprises one or more cyclone type separating members, and dust is separated from air-flow by centrifugal force and/or one or more filter in separating member.The flexible hose that use is used to suck air-flow is connected to cleaning head with main unit, and the cleaning head of any type all is suitable for the surface that is cleaned.A kind of dust catcher is provided with a plurality of different cleaning head/instruments, is used for different cleanings.The floor cleaning head for example characteristics of carpet or hard place plate cleaning head is: its mid portion by hard tubular elongate bar (its length can by telescopic adjustment) is connected on the flexible hose, and this can allow the upright user who is standing that cleaning head is operated on floor or other surface.Be used for other cleaning purpose other instrument can use with extension rod.

Can know from top content and to find out: cylinder cleaner comprises several parts, particularly flexible hose, extension rod and one or more cleaning head, and their volumes are big comparatively speaking, therefore some storage problem can occur when not using dust catcher.If the design of main unit is that it is mainly worked on the substantial horizontal direction, so, main unit can be erected at a side usually to reduce its area coverage, be its area that occupies floor space, but still will seek the parking space that is used for flexible pipe, extension rod and one or more cleaning heads.

For example, in EP0887040A and US5836047, propose dust catcher and can erect (Upright) and the use of pot type (Canister) pattern.Traditional erect-type dust catcher comprises: first main part that can move and constitute or be provided with cleaning head on floor surface; With second main part, it is connected on first main part and holds motor and the fan unit and the separator/dust-collector of dust catcher usually.Common two main parts link together pivotly, so that second main part is on the perpendicular direction or favour surface to be cleaned and extend.In aforementioned disclosed double mode dust catcher, the main unit of cylinder cleaner can be used on vertical or well azimuth, and wherein extension rod is fixed on the dust catcher to form handle, and cleaning head is connected on the main unit independently with removable on floor surface.But when using dust catcher with this pattern, the area coverage of dust catcher is still bigger comparatively speaking, thereby the compact storage problem is not solved.

Summary of the invention

Therefore, an object of the present invention is to provide a kind of cylinder cleaner, solved the compact storage problem.

According to the present invention, a kind of cylinder cleaner is provided, comprise main unit, main unit comprises source of suction and dust separation/gathering-device; Flexible hose; Extension rod; And cleaning head; Wherein, main unit can be erect with the one end, and have and to discharge locking structure, the extension rod that is used for being connected with cleaning head is releasably connected to main unit, it is characterized in that: when extension rod is connected on the main unit, the local at least groove that is arranged on the main unit that is arranged in of the part of extension rod, locking structure comprise first lock piece that is meshing with each other, be separately positioned on the main unit and on the cleaning head or near the extension rod the cleaning head partly on; With second lock piece that is meshing with each other, be separately positioned on the main unit and with cleaning head extension rod separated by a distance on; And when main unit is erect with its end, consider the orientation of main unit, the second locking structure spare that is meshing with each other can mesh with respect to moving upward of main unit by extension rod, comprise that at the lock piece that is meshing with each other of first on the main unit supine lock piece is with complementary elements or member on engagement extension rod or the cleaning head, comprise that also one is subjected to the spring of bias voltage, this spring bias voltage extension rod, thus make second the be meshing with each other lock piece engagement.

According to an aspect of the present invention, we provide a kind of cylinder cleaner, and it comprises main unit, and described main unit comprises source of suction and dust separation/gathering-device; Flexible hose; Extension rod and cleaning head; Wherein, main unit can be erect and have releasable locking system with its end, and the extension rod that is used to be connected with cleaning head is releasably connected to main unit.

Preferably, when extension rod was connected on the main unit, extension rod can be used as the handle that lifts with mobile agent.For this purpose, can discharge lock piece and must have enough big intensity and come from extension rod supportive body unit, extension rod can be connected on the main unit by the described lock piece that discharges.

When being connected to extension rod on the main unit like that as described above, the part of extension rod is arranged in or the local groove that is arranged on the main unit that is positioned at.This groove is positioned at the main unit downside, when standing in described surface in normal the main consuming body unit towards floor surface (although when main unit with its end stations immediately, when for example cleaning stair, main unit also can be used).

Lock piece comprises engagement locking structure in first, is separately positioned on the main unit of dust catcher and on the cleaning head (or near the part of the extension rod the cleaning head); With second locking structure, be separately positioned on the main unit and and separate on the extension rod of certain distance with cleaning head.First and second locking structures are suitable to be separated extension rod very securely is connected on the main unit, with can be as described above like that used as being handle.

Second locking structure can mesh by move upward (direction of when main unit with its end erect considering main unit) of extension rod with respect to main unit.Second locking structure is included in ventricumbent one or more grooves on the main unit of dust catcher and the one or more complementary projection on extension rod.First locking structure on the main unit of dust catcher comprises that ventricumbent lock piece is with the complementary member on engagement extension rod or the head; And spring, it is resiliently biased with bias voltage extension rod upwards and make the second locking structure secure engagement.

This engagement of first and second locking structures must make each first lock piece be meshing with each other, downward then pressure stretch stock is to move down the lock piece on the main part, the projection of second lock piece on constituting extension rod is on the correct position to enter in the groove second lock piece on the wherein said groove formation main part.Extension rod is moved upward by the spring biased lock piece on the main part then.Certainly, extension rod is opposite with said process from the main part dismounting.

Second lock piece on the main part of dust catcher is configured to combine with castor assembly under the main part, under normal operating condition, main unit can move on floor surface by castor assembly and the wheel that is arranged on an end place of main unit or is close in this end place, and wherein main unit can be stood with its described end.

Description of drawings

To describe these and other feature of the present invention by example referring to accompanying drawing now, accompanying drawing is as follows:

Fig. 1 is a perspective schematic view, has shown the extension rod and the cleaning head that are positioned on the cylinder cleaner main unit according to the present invention;

Fig. 2 is the zoomed-in view that is similar to Fig. 1, has shown the locking structure on extension rod/cleaning head and the deduster main unit respectively;

Fig. 3 a, 3b and 3c have shown the engagement of locking structure;

Fig. 4 is a side view, has shown the main unit of deduster, has the extension rod and the cleaning head that are connected thereto.

The specific embodiment

At first referring to the Fig. 1 in the accompanying drawing, Fig. 1 has shown the cartridge type deduster, and it comprises the main unit 10 with main body 11.Main body 11 accommodates source of suction, i.e. motor and the impeller that is used to form inspiratory airflow; And separator, be used for the dust that is collected and is entrained in air-flow is separated from inspiratory airflow, and preserve for removing subsequently.Separator comprises one or more whirlwind separators, and dust is separated from air-flow by centrifugal force and/or one or more filter therein.The Cyclonic separating apparatus components list is shown 12.

Main body 11 is forms of lengthwise a little, shows that in the accompanying drawings main body 11 erectilities stand with the one end.Main body 11 is provided with at this end place a pair ofly takes turns 13, and when wanting with the cardinal principle level towards with its downside 14 during towards described surface, in use main body 11 can move on floor or other surface by taking turns 13.Main body be provided with wheel 13 opposite other end place, end, the lower surface of main body is provided with and is labeled as 15 castor assembly and moves from the teeth outwards with help agent.

Fig. 1 also shown and has been labeled as 16 extension rod assembly, and it comprises hard tubular elongate bar 17, and Handleset 18 is connected an end place of extension rod 17, and cleaning head 19 is connected the other end place of extension rod.Extension rod telescopically elongation, and can under required length, fix to allow the user can hold handle 18 easily cleaning head is worked on floor surface.Handle 18 provides at 19 places and pivot to have connected, and is used for connecting the flexible suction hose (not shown) and extends into main unit 10.For example, at the front end place of main body 11 (it is labeled as 21), inhaling hose is connected on the main part 10 in the mode of removably connecting, or inhaling hose can launch from the flexible pipe storage reel being combined in main body 11 or be withdrawn into wherein as required.

Referring now to the Fig. 2 in the accompanying drawing,, this figure shows the lower portion and the cleaning head 19 that is assembled on it of extension rod 17 in greater detail.Cleaning head has by inserting the part 25 that connected mode is assembled to the coupling part 24 on the extension rod and can comprises rotatable brush/stirring bar driver, driver drives by motor or impeller unit, and impeller unit is driven by the inspiratory airflow that passes cleaning head.Under situation by electrically driven (operated) brush/stirring bar, will require handle 18, extension rod 17 and coupling part 24 with power delivery to cleaning head.Part 25 is connected on the part 24 and can moves pivotally around lateral shaft.When using extension rod, roughly under connecting, the pivot between the

parts

24,25 of cleaning head has wheel 26, and cleaning head can be taken turns 26 with this and be moved on the surface that just is being cleaned, and has cross bar 27 at the rear portion of wheel 26, will describe the purposes of cross bar 27 below.

Castor assembly 15 comprises main body 29, main body 29 has a pair of castor that is spaced laterally apart mutually 30, take turns 13,30 by it when dust catcher and be supported on when being in normal operating state on floor or other surface, main body 29 can pivot around the main body 11 of a vertical axis with respect to dust catcher.Castor body 29 defines the recess 31 that can hold extension rod 17 between two-wheeled 30, have locking structure in the both sides of recess 31, its (when castor body is in illustrated orientation) groove 32 forms that are ventricumbent.

When main body of dust collector 11 is erected at its end as shown in the figure like that, under castor assembly 15, has supine, as to be roughly hook-type lock piece 34.Described lock piece 34 is by the elasticity bias voltage that makes progress, and it can move down on the direction of arrow 35 in the time can obeying the suction spring bias.

Partial cylindrical connected in star 39 is arranged on the downside 14 of the main body 11 of cleaner main unit, extends and just over castor assembly 15 to castor assembly 15 from lock piece 34.When castor assembly was in orientation shown in the figure, groove 39 was aimed at the recess 31 on the castor body 29.When the main body 11 of dust catcher is erect when at one end going up as shown in the figure like that, near lock piece 34, towards the place, two opposite sides of lock piece 34 with a little thereunder have groove 36, can hold the wheel 26 of cleaning head 19.

Upwards keep at a certain distance away from the extension rod end that is connected on the cleaning head 19, extension rod has member 37, and member 37 is provided with towards the laterally outwards outstanding locking structure of two opposite sides, and it can be the form of pin, and one of them is represented with mark 38.Member 34 and transverse bar 27 have constituted the first adaptive locking structure, and groove 32 and pin 38 have constituted the second adaptive locking structure, and the extension rod that they will be connected with cleaning head together is connected on the main body of main part.This connection as shown in Figure 3.

Fig. 3 a, each of these three views of 3b and 3c has been represented hook component 34, its be pivotally mounted and by biasing spring 34a by the elasticity bias voltage that makes progress.These figure have also shown the castor body 31 with groove 32.These figure have also shown the cross bar 27 on laterally stretch out pin 38 and the cleaning head 19 on the extension rod 17.For extension rod being connected on the main unit that is erected at the one end, on the cleaning head guide body so that cross bar 27 engagement lock pieces 34.The power that acts on the downward pressure opposing biasing spring on the extension rod moves down lock piece 34, up to pin 38 enter in the groove 32 on the castor body 31 and with its engagement.When the power on acting on extension rod stopped, spring 34a made progress biased element 34 so that sell 38 and enter fully in the groove 32 to be fixed on wherein.Thereby extension rod firmly is assembled on the main unit of dust catcher and can lifts main unit.

Fig. 4 in the accompanying drawing has shown dust catcher, and it has the extension rod that is assembled to as described above on the main unit.Extension rod 17 parts are arranged in the recess 31 of groove 39 and castor assembly.Please note: the main body 11 of the parts 25 closely adjacent main unit of cleaning head 19, thus the advantage of this structure of dust catcher is: can not only use extension rod to come mobile dust catcher, and have little storage area as handle.As required, flexible suction hose can be dismantled or be connected from the left side, and wherein this flexible hose is connected to extension rod on the main unit when using dust catcher.When using dust catcher, extension rod is opposite with above-mentioned Connection Step from the main unit dismounting.

In specification of the present invention, the meaning of " comprising " be " comprise or by ... constitute ".

In the aforementioned description disclosed feature or following claims or the accompanying drawing of representing with concrete form or according to the means that realize disclosed effect or the method that obtains disclosed result or process can be as required separately or be used in combination, realizing the present invention with various forms.

Claims

1. a cylinder cleaner comprises main unit (10); Flexible hose; Extension rod (17); And cleaning head (19); Wherein, main unit (10) comprises source of suction and dust separation/gathering-device, main unit (10) can be erect with the one end, and have and to discharge locking structure, the extension rod (17) that is used for being connected with cleaning head is releasably connected to main unit (10), when extension rod is connected on the main unit (10), the part of extension rod (17) part at least is arranged in a groove (31) that is arranged on the main unit (10), locking structure comprises first lock piece (34) that is meshing with each other, be separately positioned on that main unit (10) goes up and cleaning head (19) is gone up or near the extension rod the cleaning head partly on; With second lock piece (32) that is meshing with each other, be separately positioned on that main unit (10) goes up and with cleaning head (19) extension rod (17) separated by a distance on;

And when main unit is erect with its end, consider the orientation of main unit, second lock piece (32) that is meshing with each other can mesh with respect to moving upward of main unit (10) by extension rod (17), comprise that at the lock piece (34) that is meshing with each other of first on the main unit (10) supine lock piece is with complementary elements or member (27) on engagement extension rod (17) or the cleaning head (19), comprise that also one is subjected to the spring of bias voltage, this spring bias voltage extension rod (17), thus make second be meshing with each other lock piece (32) engagement.

2. dust catcher according to claim 1, it is characterized in that: second lock piece (32) that is meshing with each other is included at least one ventricumbent groove on the main unit of dust catcher, with at least one complementary projection (38) on extension rod (17), described projection (38) can be engaged in described at least one groove.

3. dust catcher according to claim 1, it is characterized in that: the lock piece (32) that is meshing with each other of second on the main unit (10) is configured to combine with castor assembly (15), and main unit (10) can move on floor surface by this castor assembly (15).

4. dust catcher according to claim 1 is characterized in that: when extension rod (17) was connected on the main unit (10), extension rod (17) can be used to lift the handle of main unit (10).

5. dust catcher according to claim 1, it is characterized in that: when main body (11) setting of dust catcher is at one end gone up, described first be meshing with each other lock piece (34) near towards first the be meshing with each other two opposite sides place of lock piece (34) and a little thereunder be provided with first and second grooves (36), wherein, described first and second grooves (36) can hold the wheel (26) on the cleaning head (19).

6. dust catcher according to claim 1, it is characterized in that: cleaning head has the coupling part (24) that is assembled on the extension rod and is connected to another part (25) around lateral shaft pivoting action of being used for of coupling part (24), wherein, if extension rod (17) is connected on the main unit, then described another part (25) of cleaning head (19) be positioned at main unit main body (11) near.

7. dust catcher according to claim 1 is characterized in that: when main unit (10) was in its normal use orientation, described groove (31) was positioned at the downside of main unit (10).