CN104323741A - Dry-and-wet dual-purpose vacuum cleaner - Google Patents
Dry-and-wet dual-purpose vacuum cleaner Download PDFInfo
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- CN104323741A CN104323741A CN201410518440.6A CN201410518440A CN104323741A CN 104323741 A CN104323741 A CN 104323741A CN 201410518440 A CN201410518440 A CN 201410518440A CN 104323741 A CN104323741 A CN 104323741A
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- impeller
- screen holder
- filter screen
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- dry
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Abstract
The invention relates to a dry-and-wet dual-purpose vacuum cleaner. A filter screen holder with a driver, which aims at a suction passage and is used for arranging a filter screen, is arranged under an impeller base with an impeller intake passage in the dry-and-wet dual-purpose vacuum cleaner, i.e., the filter screen holder and the filter screen are movable, and when the filter screen holder is moved in by the driver, the impeller intake passage is covered by the filter screen holder, so that the dry-and-wet dual-purpose vacuum cleaner enters a dust suction mode like the airflow operation mode of an ordinary vacuum cleaner; when the filter screen holder is moved out by the driver, the impeller intake passage is open, so that the dry-and-wet dual-purpose vacuum cleaner enters a floor-mopping mode, airflow carrying water drops directly enters an impeller driven by a dust suction motor after entering a suction passage, and is sprayed into a dirty water collection trough around the impeller by the centrifugal impeller, the heavy liquid stays in the dirty water collection trough, the airflow is exhausted out of the dry-and-wet dual-purpose vacuum cleaner through an airflow exhaust passage, and because the airflow does not pass through the filter screen, the airflow efficiency is increased remarkably.
Description
Technical field
The present invention relates to a kind of Wet-dry dust catcher, mainly through arranging the baffle plate of position changeable (band drive unit) for improving the airflow efficiency of Wet-dry dust catcher, being particularly useful for low power Wet-dry clean robot.
Background technology
[0002] existing clean robot mainly refers to intellective dust collector, the intellective dust collector relating to commodity has multiple, and as commodity intelligent floor cleaning machine only visible two kinds at present, see http://www.bblqs.com/article/399.htm, also can not mop floor (washing ground), the clean robot of dust suction unification occurs, the present inventor newly devises a kind of brush, see ZL201210446511.7, make can mop floor (washing ground), the clean robot of dust suction unification occurs becoming possibility, although there is the dust catcher of non intelligent Wet-dry at present, mostly have employed the air-flow that baffle plate hinders carrying liqs, make gas-liquid separation, the efficiency comparison of this structure air-flow is low, so mostly adopt powerful dust sucting motor.For miniaturized, battery-powered small-power intelligent robot, it can be mopped floor and addle is taken away some and undertake to do what is apparently beyond one's ability.Chinese family is preferred to mop floor comparatively speaking, and dust catcher is used fewer, and therefore floor cleaning machine should be more welcome in China.Current with dragging (washing) machine (washing ground dryer) is common in the large area such as market, office place, the floor-cleaning machine that can meet family expenses or crowded place is rarely seen a, for power strange advanced Small Washing ground dryer SC350(copys type not very), need manual operation, power is 450 watts.Because it is more expensive that the relevant parts of robot comprise the relative costs such as controller, sensor, driving mechanism, and for clean robot, dust suction, the control mechanism washing ground, sensor, driver part are substantially identical, if it is the thing of making something perfect even more perfect that a clean robot possesses the function mopped floor with dust suction simultaneously, " possessing the function mopped floor with dust suction " of referring to here simultaneously, refer to that clean robot can use as automatic cleaner, also machine uses with can be used as automatic washing (dragging), does not refer to that it can deal with dry, wet cleaning environment simultaneously.Because clean robot mostly uses powered battery, the heavy cost of battery weight is high, and a service time is short, and dust sucting motor power used can not be too large, make the cleaning effect that clean robot has had, and needs the service efficiency considering to improve dust sucting motor.
Summary of the invention
Object of the present invention be exactly in order to for dry suction and wash (wet inhale) two kinds of different use occasions take different clean mechanism, in dry, wet two kinds of situations, ensure the service efficiency that air-flow that dust sucting motor drives is high as far as possible.
The present invention is design like this:
Under the impeller base arranging impeller inlet channel of Wet-dry dust catcher, arrange the screen holder for arranging filter screen of a band drive unit towards suction passage, namely the related filter screen of screen holder is movable.
When screen holder driven device moves into, impeller inlet channel is covered by screen holder, enters dust suction mode of operation; When screen holder driven device shifts out, impeller inlet channel opens wide, and enters the mode of operation that mops floor.
When washing ground, screen holder driven device moves on on one side, impeller inlet channel opens wide, be mingled with the air-flow of water droplet after entering suction passage, the impeller of dust sucting motor driving is directly entered by impeller inlet channel, the formula impeller of being centrifuged spills the sewage collecting tank to impeller periphery, and heavier liquid is left on sewage collecting tank, and air-flow is then by outside airflow emissions channel discharge machine.
When dust suction, screen holder driven device moves and covers impeller inlet channel, after air-flow enters suction passage, stays rubbish chamber through rubbish during filter screen on screen holder, comparatively clean gas enters impeller inlet channel, by the impeller that dust sucting motor drives, then by outside airflow emissions channel discharge machine, consistent with the air-flow method of operation of standard vacuum, be not subject to extra stop, but when washing ground mode and working, owing to not passing through filter screen, airflow efficiency significantly improves.
Drive unit can be one in bull stick, push rod, driving lever, stay cord.
Accompanying drawing explanation
(a, b) be a kind of screen holder evolution schematic diagram (dust sucting motor horizontally set wherein) of the present invention, wherein a is for duty, b are dust suction duty with washing (dragging) for Fig. 1.
Fig. 2 is impeller inlet channel lower filter screen rack position transition diagram.
Fig. 3 ~ 5 are some available switching mechanism schematic diagrames of screen holder (for (washing ground working method) after conversion, right side is for before conversion (dust suction working method) in left side).
Fig. 6 is the top view of sewage collecting tank.
Fig. 7 is Wet-dry structure of dust collector section (a) that vertically arranges of impeller and sewage collecting tank (b) schematic diagram.
Specific embodiment
The impeller base arranging impeller inlet channel 2 at dust catcher arranges the screen holder 6 for arranging filter screen 5 of a band drive unit towards suction passage 1 for 28 times, and namely the related filter screen of screen holder 6 is movable.
When screen holder 6 driven device moves into, impeller inlet channel 2 is covered by screen holder 6, enters dust suction mode of operation; When screen holder 6 driven device shifts out, impeller inlet channel 2 opens wide, and enters the mode of operation that mops floor.
When washing ground as Fig. 1 (a), screen holder 6 driven device moves on on one side, impeller inlet channel 2 opens wide, be mingled with the air-flow of water droplet after entering suction passage 1, the impeller 9 of dust sucting motor driving is directly entered by impeller inlet channel 2, be centrifuged formula impeller 9 and spill sewage collecting tank 10 to impeller 9 periphery, heavier liquid is left on sewage collecting tank 10, and air-flow is then discharged outside machine by airflow emissions channel 12.What is called is washed (dragging) refers to dust catcher also with automatic water jetting (cleaning fluid) device, mainly comprise filtered water tank 18, water pump 19, outlet conduit and delivery port 20, and Wet-dry dust catcher is general without water injector, can be used for blotting the water stain of ground, no matter all applicable with or without automatic sprinkler the present invention is.
When dust suction as Fig. 1 (b), screen holder 6 driven device moves and covers impeller inlet channel 2, after air-flow enters suction passage, rubbish chamber 21 is stayed through rubbish during filter screen 5 on screen holder 6, comparatively clean gas enters impeller inlet channel 2, the impeller 9 driven by dust sucting motor, discharge outside machine by airflow emissions channel 12 again, consistent with the air-flow method of operation of standard vacuum, be not subject to extra stop, but when washing ground mode and working, owing to not passing through filter screen 5, airflow efficiency significantly improves.
If the impeller inlet channel 2 of dust catcher is vertically downward towards suction passage 1, as Fig. 1, the rubbish be adsorbed on when stopping operating to prevent impeller under filter screen 5 directly drops out suction passage, cause secondary pollution, one radome fairing 8 can be set at screen holder for 6 times, less streamlined of the windages such as the tapered curve in cross section of radome fairing 8, taper fairing 8 is not necessity, but has the machine windage of radome fairing 8 relatively little.
After permanent use, screen holder 6 due to drive unit wearing and tearing or fatigability distortion cause sagging, the sealing property of itself and impeller base 28 lower edge is deteriorated, driving shaft can be allowed more to turn over a bit, or move past a bit more, to ensure better sealing.The transfer framework 13 of Path Properties can be set for 28 times at impeller base, as Fig. 2, screen holder 6 can be arranged the baffle plate handle 43 of applicable transfer framework 13, baffle plate handle 43 can be arranged on the roller or bearing that rotate in transfer framework, transfer framework 13 two ends can arrange postive stop baffle 42(that defining baffle handle 43 shifts one's position, and to shift one's position forward and backward be comparatively speaking, also can by behind two positions on the contrary conversion, before conversion, for the purpose of attractive in appearance, before screen holder 6 position in dust suction mode is defined as conversion, washes ground working method and be defined as conversion afterwards).In order to ensure sealing better, spring leaf or the rubber blanket of some resilient projections also can be set at transfer framework 13 inner face.Transfer framework 13 may also be the groove 44 caving in and be arranged on impeller base 28, and one end of baffle plate handle 43 or screen holder 6 is embedded in groove 44 by suspension arrangement 45, and can slide in groove 44, as Fig. 5.
Drive unit can be one (certainly also can use other type of drive) in bull stick 3, push rod 3-2, driving lever 3-3, stay cord 3-4.Can be manually, also can be electronic.Be exactly manually by bull stick 3, push rod 3-2, driving lever 3-3, stay cord 3-4 drive unit directly or conversion (as by bevel gear) curve or extend to the top of machine or bottom or (shell) around, come back rotation or promotion with hand or stir; Electronic is exactly driven by the driving shaft that motor (can acceleration and deceleration mechanism) exports.Such as drive leading screw by motor, push rod moves in the mode of nut, or motor and push rod drive in the mode of gear, tooth bar; Motor the rotating shaft of Direct driver driving lever or motor can stir driving lever by driving cam, these belong to mechanically conventional with electric machine rotation conversion in back and forth or the mode of rectilinear motion do not enumerate.
Screen holder 6 is connected with a bull stick 3, and bull stick 3 rotates front impeller inlet channel 2 and opens wide, and towards suction passage 1, bull stick 3 rotates the related filter screen 5 of rear screen holder 6 and covers impeller inlet channel 2, and bull stick 3 can as following three kinds of forms:
(1) bull stick 3 is downward through impeller base 28, as Fig. 1 (a, b).
Bull stick 3 drive unit is made up of motor, reducing gear, driving shaft, screw rod, motor via reducer structure drives driving shaft, driving shaft is driven through screw thread in the mode that eye cutting enters (or other similar screwdriver contacts with screw) and is spun on impeller inlet channel 2 Its lower side, and the other end of screw rod is set together with screen holder 6 (being connected as by key).Allow bull stick 3 be elevated in hold-down nut mode rotate, during rising, screen holder 6 blocks impeller inlet channel 2, decline simultaneously, gear screen holder 6 turns over an angle, open wide impeller inlet channel 2, the benefit of this type of drive is that screen holder 6 can tighten up space between impeller inlet channel 2 base (impeller inlet channel 2 base also can tilt away from one end of bull stick or screen holder can tilt away from one end of bull stick) slightly downward slightly upward.
If there is transfer framework 13 below impeller passage 2, bull stick can not exist in the mode of screw rod (not needing to be elevated among a small circle), it is exactly a turning cylinder be fixed together with screen holder 6 (driving shaft as flat in axle head milling), bull stick 3 rotates front impeller inlet channel 2 and opens wide, towards suction passage 1, bull stick 3 rotates rear screen holder 6 and covers impeller inlet channel 2.
(2) bull stick 3 is placed on the extension rod of screen holder 6, as this mode (a, b), also can be thought the driving lever (middle bull stick place is turning cylinder) stirred extension rod outer end by Fig. 3.
(3) bull stick 3 is parallel to place plane bottom impeller base 28, and as Fig. 3, (c, d) drives screen holder 6 to rotate in the mode of " renovating ".
Screen holder 6 is connected with a push rod 3-2, and before push rod 3-2 promotes, impeller inlet channel 2 opens wide, and towards suction passage 1, after push rod 3-2 promotes, the related filter screen 5 of screen holder 6 covers impeller inlet channel 2, as Fig. 4 (a, b).
Screen holder 6 is connected with a driving lever 3-3, and driving lever 3-3 stirs front impeller inlet channel 2 and opens wide, and towards suction passage 1, driving lever 3-3 stirs the related filter screen 5 of rear screen holder 6 and covers impeller inlet channel 2, as Fig. 4 (c, d).
Screen holder 6 is connected with a stay cord 3-4, and stay cord 3-4 pulls front impeller inlet channel 2 to open wide, and towards suction passage 1, stay cord 3-4 pulls the related filter screen 5 of rear screen holder 6 to cover impeller inlet channel 2, as Fig. 5 (a, b).Stay cord generally uses steel wire rope, with stainless steel making or through antirust treatment, also can by the nylon yarn rope or belt of the not easy fracture through preservative treatment (such as going up cured), and be compact conformation by the benefit of stay cord, shortcoming is that parts are more.There is the groove for limiting stay cord the periphery of screen holder 6, skid at screen holder 6 or driving shaft periphery to prevent rope, can being fixed on rope on screen holder 6 or driving shaft (or wheel) partially over the mode such as embedding or fasten, in order to control the angle of movement, generally also need to arrange a driven axle (wheel).
Can arrange foul water tank 11 10 times at sewage collecting tank, the sewage of sewage collecting tank 10 flows in foul water tank 11 (if foul water tank 11 is not arranged, sewage collecting tank 10 is exactly foul water tank simultaneously).Then sent outside body by independent airflow emissions channel 12 by the air-flow that impeller sprays simultaneously, the mode of discharge has two kinds, and one is directly discharged, and also has one to be discharged to organism bottom (blowing to suction inlet).Passing away 12 also can arrange the dirty air-flow of the second filter screen filtration, sewage collecting tank 10 can arrange the net 16(such as sponge of splashproof towards the direction of impeller 9), or cell wall is arranged spiral or groove obliquely 17, allow water droplet collect and do not taken away by air-flow.Sewage collecting tank 10 can the mode more piece trapezoidal (benefit that more piece is arranged is convenient to take out cleaning, installs also more convenient) as Fig. 1,6 (I, II, III) be arranged, and tilts from inside to outside, from high to low, is convenient to sewage and flows out; Or may also be overall a set of cannelure, as Fig. 6 (IV), impeller and impeller drive motor, sewage collecting tank 10, filtered water tank 18, foul water tank 11 and refuse container can extract (partial component also can arrange window in side and open) successively from top to down, sewage collecting tank 10 base plate is in tilting from high to low, and delivery port is positioned at lowest part.Sewage collecting tank 10 can up big and down small or lower large little (cell wall side be inclined upwardly or downward-sloping), or straight bucket or drum type bucket.Sewage collecting tank 10 set-up mode of one can as zl201410308561.8(mono-kind wash dryer) describe in description.
Said structure is for the horizontally disposed dust catcher of impeller 9 (such as impeller base 28 times), structure of the present invention also can be turned through certain angle and uses, if Fig. 7 (a) is exactly the Wet-dry structure of dust collector schematic diagram that impeller 9 is vertically arranged, horizontally disposed relative to impeller 9, vertically arrange and complete machine structure can be allowed shorter, but suction passage 1 needs to curve, and to a certain degree reduces the efficiency of air-flow.The difference to some extent of the sewage collecting tank 11 that the Wet-dry dust catcher that impeller 9 is vertically arranged is used and horizontally set, as Fig. 7 (b), also can as zl201410308576.4(wall cleaning device) describe in description, under this setup, window can be set in dust catcher side, dump rubbish when opening, or take out the water tank of drawer type.
Further improvement also can arrange one in the sewage collecting tank 10 of impeller 9 periphery, and liftable opening is large, inner wall smooth that bottom is little (meeting aerodynamic design) ring baffle (blocking sewage collecting tank), fall when dry suction, airflow efficiency when can improve dry suction further (hinder without crude splash proof network or groove, air stream outlet more smooth).Elevating mechanism (one in several peripheral pillars) is the modes such as the feed screw nut of conventional rack-and-pinion or band auto-lock function.
The impeller drive motor of Wet-dry dust catcher need carry out water-proofing treatment, and such as motor radiating has independent passage, has sealing ring between driving shaft and motor.
Whether drive unit drives screen holder 6 to shift one's position and puts in place under automated manner by arranging one (one end) or two (being contained in two ends) position detecting switch, position detecting switch can be that microswitch, photoconduction are to pipe or magnetic induction switch, or color is set on screen holder 6, detect position by color reflective; Or do not use switch, drive motors uses stepper motor, servomotor, or detect by the mode that common DC motor arranges code-disc the angle that motor turns over.If manually just turn (moving) dynamic distance by the thing constraint of spacing pillar, baffle plate (as postive stop baffle 42) or draw-in groove one class.
Brush 14 for dust catcher is being done, use under wet different environment, brush 14 used or round brush (before feeling the pulse with the finger-tip, clean robot is as the round brush of roomba class) can use compound brush (every bar bristle, brush (scraping) sheet or the mixing of brush bar are arranged), or single brush, bristle during dry suction, with brushing (scraping) sheet or brush bar when washing ground, for single brush, require that brush is convenient to change, for the brush 14 that ZL201210446511.7 describes, the mode of available integral replacing brush 14, this just requires that brush 14 is easy to dismounting, screw thread can be set in the lower end of brush 14 driving shaft, by brush entirety by nut dismounting in rotary manner, the direction that nut rotates when can adopt the direction of rotation when being convenient to install because working with brush is consistent, brush is fixed on the driving shaft by the nut (such as horned nut) of also twisting by being easy to hand, for preventing brush from skidding on the driving shaft, can arrange groove (driving shaft having the tooth of protrusion coordinate with it) with driving the ground contacted, also fix by buckle and jump ring between brush and driving shaft, mode like this between conventional wheel and driving shaft does not enumerate, and the connected mode between present floor-cleaning machine disc brush and driving shaft is all available.Also can not change brush 14, adopt embedded mode to be arranged in the curve-like plate convergence in brush strip bristle, brush bar, brushing piece, pull out old during replacing, new embedding again.
Impeller 9 is horizontally disposed with, vertically arrange meeting change to the directionality word of dust catcher miscellaneous part, this change is on the use impact little (except sewage collecting tank) of the reality of parts, directionality word, just in order to describe, can not regard limitation of the present invention as.
Because the mode of screen holder 6 drive unit used has a variety of; the present invention is more cited; therefore the restriction to scope of patent protection of the present invention can not be thought; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that the claims in the present invention protect; can also make the various deformation such as replacement, simple combination to drive unit and screen holder 6, these all fall within protection scope of the present invention.
Claims (6)
1. a Wet-dry dust catcher, it is characterized in that arranging under the impeller base (28) arranging impeller inlet channel (2) one towards suction passage (1), with the screen holder (6) for arranging filter screen (5) of drive unit, when screen holder (6) driven device moves into, impeller inlet channel (2) is covered by screen holder (6); When screen holder (6) driven device shifts out, impeller inlet channel (2) opens wide.
2. Wet-dry dust catcher according to claim 1, is characterized in that described screen holder (6) below has one towards the taper fairing (8) of suction passage (1).
3. Wet-dry dust catcher according to claim 1, arranges transfer framework (13) or conversion groove (45) under it is characterized in that described impeller base (28).
4. Wet-dry dust catcher according to claim 3, it is characterized in that the baffle plate handle (43) described screen holder (6) being arranged applicable transfer framework (13), baffle plate handle (43) slides in transfer framework (13).
5. Wet-dry dust catcher according to claim 1, is characterized in that described Baffle drive device is one in bull stick (3), push rod (3-2), driving lever (3-3), stay cord (3-4).
6. Wet-dry dust catcher according to claim 5, it is characterized in that described bull stick (3) drive unit is made up of motor, reducing gear, driving shaft, screw rod, motor via reducer structure drives driving shaft, driving shaft is driven through one end that screw thread is spun on the screw rod on impeller inlet channel (2) base (28), and the other end of screw rod and screen holder (6) are set together.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410518440.6A CN104323741B (en) | 2014-10-03 | 2014-10-03 | A kind of Wet-dry dust catcher |
| PCT/CN2015/091156 WO2016050207A1 (en) | 2014-10-03 | 2015-09-30 | Dual use wet/dry vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410518440.6A CN104323741B (en) | 2014-10-03 | 2014-10-03 | A kind of Wet-dry dust catcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323741A true CN104323741A (en) | 2015-02-04 |
| CN104323741B CN104323741B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410518440.6A Active CN104323741B (en) | 2014-10-03 | 2014-10-03 | A kind of Wet-dry dust catcher |
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| Country | Link |
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| CN (1) | CN104323741B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863933A (en) * | 2015-05-20 | 2015-08-26 | 赵士立 | Food processing workshop scrubber baffle fixing assembly |
| WO2016050207A1 (en) * | 2014-10-03 | 2016-04-07 | 张周新 | Dual use wet/dry vacuum cleaner |
| CN108143365A (en) * | 2017-12-29 | 2018-06-12 | 董浩南 | A kind of universal intelligent household cleaning machine people |
| CN110386102A (en) * | 2019-07-23 | 2019-10-29 | 山东交通学院 | A kind of novel anti-theft alarming fuel tank |
| WO2022068415A1 (en) * | 2020-09-30 | 2022-04-07 | 深圳市启为机器人技术有限公司 | Sewage tank structure for cleaning apparatus, and cleaning apparatus |
| US11969135B2 (en) | 2019-12-23 | 2024-04-30 | Versuni Holding B.V. | Wet and dry vacuum cleaner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103549920A (en) * | 2013-11-06 | 2014-02-05 | 张周新 | Brush disc for cleaning robot |
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| CN110386102A (en) * | 2019-07-23 | 2019-10-29 | 山东交通学院 | A kind of novel anti-theft alarming fuel tank |
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| GB2614182A (en) * | 2020-09-30 | 2023-06-28 | Keewoo Robotics Tech Co Ltd | Sewage tank structure for cleaning apparatus, and cleaning apparatus |
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| Publication number | Publication date |
|---|---|
| CN104323741B (en) | 2016-09-07 |
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Effective date of registration: 20180619 Address after: 215131 Room 202, 2 building, Yangchenghu international science and Technology Pioneer Park, 116 Chengyang Road, Xiangcheng District, Suzhou, Jiangsu. Patentee after: Suzhou Su robot intelligent equipment Co., Ltd. Address before: 214400 Room 202, Shoushan Road, Jiangyin, Wuxi, Jiangsu, 202 Patentee before: Zhang Zhouxin |
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