WO2016050207A1 - 一种干湿两用吸尘器 - Google Patents

一种干湿两用吸尘器 Download PDF

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Publication number
WO2016050207A1
WO2016050207A1 PCT/CN2015/091156 CN2015091156W WO2016050207A1 WO 2016050207 A1 WO2016050207 A1 WO 2016050207A1 CN 2015091156 W CN2015091156 W CN 2015091156W WO 2016050207 A1 WO2016050207 A1 WO 2016050207A1
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WO
WIPO (PCT)
Prior art keywords
baffle
frame
filter
vacuum cleaner
impeller
Prior art date
Application number
PCT/CN2015/091156
Other languages
English (en)
French (fr)
Inventor
张周新
Original Assignee
张周新
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201410518440.6A external-priority patent/CN104323741B/zh
Priority claimed from CN201410518438.9A external-priority patent/CN104433957B/zh
Priority claimed from CN201410518439.3A external-priority patent/CN104323740B/zh
Application filed by 张周新 filed Critical 张周新
Publication of WO2016050207A1 publication Critical patent/WO2016050207A1/zh

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    • 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
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers

Definitions

  • the invention relates to a wet and dry vacuum cleaner, which is mainly used for improving the airflow efficiency of a wet and dry vacuum cleaner by providing a shieldable position (with a driving device), and is particularly suitable for a low power dry and wet cleaning robot.
  • the existing cleaning robot mainly refers to the intelligent vacuum cleaner, and there are many kinds of intelligent vacuum cleaners involved in the commodity, and only two kinds of intelligent mopping machines as commodities are currently available, see http://www.bblqs.com/article/399.htm
  • the inventor has newly designed a brush tray, see ZL201210446511.7, which enables mopping (washing) and vacuuming.
  • Cleaning robots have become possible.
  • the control mechanism, the sensor, and the driving components of the cleaning and washing the ground are basically the same, if one cleaning robot has the same drag
  • the function of the ground and the vacuum is the icing on the cake.
  • it means “the function of mopping and vacuuming at the same time”, which means that the cleaning robot can be used both as an automatic vacuum cleaner and as an automatic washing (dragging) grounder. It does not mean that it can cope with both dry and wet cleaning environments. Since the cleaning robots are mostly powered by batteries, the weight of the battery is high and the cost is high. The use time of the cleaning motor is not too large. To make the cleaning robot have a good cleaning effect, it is necessary to consider improving the efficiency of the vacuuming motor.
  • the purpose of the invention is to adopt different cleaning mechanisms for two different use situations, dry suction and scrubbing (wet suction), and to ensure the highest possible efficiency of the air flow driven by the vacuum motor in both dry and wet conditions.
  • the invention is designed in such a way that:
  • a cover device with a driving device facing the suction passage is arranged under the impeller base of the vacuum cleaner providing the impeller inlet passage.
  • the obstruction has three settings:
  • the first type the obstruction is a filter frame for setting the filter, that is, the filter frame and the filter are active.
  • the impeller inlet passage When the filter frame is moved in by the driving device, the impeller inlet passage is blocked by the filter frame and enters the vacuum working mode; when the filter frame is removed by the driving device, the impeller inlet passage is opened and enters the mopping working mode.
  • the filter frame When washing the ground, the filter frame is moved to the side by the driving device, the impeller inlet passage is open, and the airflow mixed with the water droplets enters the suction passage and directly enters the impeller driven by the suction motor through the impeller inlet passage, and is centrifugally impeller. Spilled to the sewage collection tank on the periphery of the impeller, the heavier liquid is left in the sewage collection tank, and the airflow is discharged outside the machine through the air discharge passage.
  • the filter frame When vacuuming, the filter frame is moved by the driving device to cover the impeller inlet passage. After the airflow enters the suction passage, the garbage is left in the garbage bin when the filter mesh on the filter frame is permeable, and the clean airflow enters the impeller inlet passage.
  • the impeller driven by the vacuum motor is discharged out of the machine through the air discharge passage, which is consistent with the airflow operation of the ordinary vacuum cleaner, and is not subject to additional blocking.
  • the airflow efficiency is obviously improved because the filter is not passed through the screen. .
  • the bottom of the filter frame has a window at the bottom, and the bottom of the filter frame is provided with a flow-oriented cross section.
  • the airflow is diverted by the baffle to the filter screen behind the baffle, leaving the garbage in the garbage bin.
  • the airflow passes through the filter mesh and enters the impeller and is discharged outside the machine; when wet suction, the baffle is removed by the driving device and filtered.
  • the bottom window of the grid is open, the airflow directly enters the filter frame, does not pass through the filter into the impeller, and is sprinkled on the sewage collection tank at the periphery of the impeller.
  • the separated airflow is directly discharged outside the machine, and the water droplets remain in the sewage collection tank.
  • the driving device can be one of a rotating rod, a push rod, a lever, and a drawstring.
  • the second type the obstruction is a baffle with a driving device disposed at the bottom of the filter frame of the vacuum cleaner.
  • the bottom of the filter frame has a window.
  • the bottom of the filter frame is provided with a streamlined drive with a drive section.
  • the plate, the cross-section is a streamline type, which means that the baffle has a conical curve such as a conical curve toward the suction passage, such as a conical fairing under the baffle.
  • the baffle When washing the ground, the baffle is moved to the side by the driving device, the filter frame is not blocked by the baffle, and the air flow mixed with the water drops enters the suction passage, passes through the bottom window of the filter net, and directly enters the vacuum through the impeller inlet passage.
  • the motor-driven impeller is sprinkled by the centrifugal impeller onto the sewage collection tank at the periphery of the impeller. The heavier liquid is left in the sewage collection tank, and the airflow is discharged outside the machine through the airflow discharge passage.
  • the baffle When vacuuming, the baffle is moved by the driving device to block the bottom window of the filter frame. After the airflow enters the suction channel, it is diverted to the surrounding of the filter through the conical fairing under the baffle. When the filter passes through the filter, the garbage remains in the garbage bin. The clean airflow enters the impeller inlet passage, and the impeller driven by the vacuum motor is discharged out of the machine through the airflow discharge passage.
  • the airflow operation mode is the same as that of the ordinary vacuum cleaner, and there is no additional blocking, but when the washing method is used, since there is no Through the filter screen, the airflow efficiency is significantly improved.
  • a tapered fairing is not a necessity, but a machine with a fairing has a relatively low wind resistance.
  • the driving device in the above two modes may be one of a rotating rod or a push rod, a lever, and a drawstring (of course, other driving methods may also be used).
  • the third type the covering is a belt-driven baffle disposed between the suction passage of the cleaner and the screen frame 6.
  • the filter mesh can be placed at the bottom of the filter rack, or can be placed around the filter frame, and can be vacuumed through the impeller inlet passage.
  • the motor-driven impeller is finally discharged outside the machine.
  • the baffle When vacuuming, the baffle is removed by the driving device, and after the airflow enters the suction passage, it is directly opposite to the filter net.
  • the filter passes through the impeller inlet passage to enter the impeller driven by the vacuum motor, and finally exits the machine, and the garbage is retained in the garbage. Inside the box. Because there is no barrier to the baffle, the airflow is more efficient.
  • the airflow will be filtered through the filter and then into the impeller.
  • the general vacuum cleaner can be a rotating rod or One of the push rod, the lever, and the drawstring (of course, other drive methods are also available).
  • Fig. 1 (a, b) is a schematic view showing the position change of the filter frame of the first mode of the present invention (the dust collecting motor is laterally disposed therein), wherein a is a washing (drag) working state and b is a vacuum working state.
  • Figure 2 is a schematic diagram showing the position conversion of the filter frame under the impeller inlet passage.
  • Figure 3 ⁇ 5 shows some of the available conversion mechanisms for the filter frame (the left side is the transformation (washing work mode), and the right side is before the change (vacuum working mode)).
  • Figure 6 is a plan view of the sewage collection tank.
  • Fig. 7 is a schematic view showing a structural section (a) and a sewage collecting tank (b) of a wet and dry vacuum cleaner in which the impeller is vertically disposed according to the first mode of the present invention.
  • Fig. 8 (a, b) is a schematic view showing the positional change of the baffle of the second mode of the present invention (the lateral arrangement of the impeller), wherein a is a washing work state and b is a dust suction working state.
  • Fig. 9 is a perspective view showing the position change of the lower baffle of the bottom window of the filter frame.
  • Figure 10 is a schematic view showing the change of the position of the baffle when the baffle is larger than the bottom of the filter frame.
  • 11 to 14 are schematic views of some available conversion mechanisms of the second mode baffle of the present invention (the left side is the transformed (washing operation mode), and the right side is the pre-transformation (vacuum working mode)).
  • Figure 15 is a schematic view showing a structural section (a) and a sewage collection tank (b) of a wet and dry vacuum cleaner in which the impeller is vertically disposed in the second mode of the present invention.
  • Fig. 16 (a) and (b) are schematic views showing changes in the position of the shutter of the third mode of the present invention.
  • Figure 17 is a top plan view of the baffle structure of Figure 16.
  • Figure 19 is a schematic view showing the shape of a baffle plate of a third mode of the present invention.
  • Figure 20 is a cross-sectional view showing the transverse (a) and longitudinal (b) directions of another baffle structure according to a third mode of the present invention.
  • a cover device for the belt drive device facing the suction passage 1 is provided under the impeller base 28 of the vacuum cleaner provided with the impeller inlet passage 2, and the obstruction is provided in three ways:
  • the first type the covering is a screen frame 6 for setting the screen 5, that is, the screen frame 6 with the screen 5 is movable.
  • the impeller inlet passage 2 When the filter frame 6 is moved in by the driving device, the impeller inlet passage 2 is blocked by the filter frame 6 and enters the vacuum working mode; when the filter frame 6 is removed by the driving device, the impeller inlet passage 2 is opened and enters the mopping operation. mode.
  • the screen frame 6 When washing (dragging) the ground, as shown in Fig. 1(a), the screen frame 6 is moved to one side by the driving device, the impeller inlet passage 2 is opened, and the air flow mixed with the water droplets enters the suction passage 1 and passes through the impeller inlet passage 2
  • the impeller 9 driven directly into the suction motor is sprinkled by the centrifugal impeller 9 to the sewage collection tank 10 at the periphery of the impeller 9, the heavier liquid is left in the sewage collection tank 10, and the airflow is discharged outside the machine through the airflow discharge passage 12.
  • washing means that the vacuum cleaner also has an automatic water spray (cleaning liquid) device, which mainly includes a clean water tank 18, a water pump 19, a water outlet pipe and a water outlet 20, and the wet and dry vacuum cleaner generally has no water spray device, and can be used.
  • an automatic water spray (cleaning liquid) device which mainly includes a clean water tank 18, a water pump 19, a water outlet pipe and a water outlet 20, and the wet and dry vacuum cleaner generally has no water spray device, and can be used.
  • the present invention is applicable regardless of whether there is an automatic water spray device.
  • the screen frame 6 When vacuuming, as shown in Fig. 1(b), the screen frame 6 is moved by the driving device to cover the impeller inlet passage 2, and after the airflow enters the suction passage, the garbage is left in the garbage bin when the filter screen 5 on the filter frame 6 is permeable. 21, the cleaner airflow enters the impeller inlet passage 2, and the impeller 9 driven by the vacuum motor is discharged out of the machine through the airflow discharge passage 12, which is consistent with the airflow operation mode of the ordinary vacuum cleaner, without additional blocking, but in the scrubbing When the mode is working, since the airflow efficiency is not improved by the filter 5, the pollution of the filter 5 by the sewage is greatly improved.
  • a fairing 8 is disposed under the grid 6, and the cross section of the fairing 8 is a streamline type with a small wind resistance such as a conical curve.
  • the tapered fairing 8 is not a necessity, but the wind resistance of the fairing 8 is relatively small.
  • a rail-shaped conversion frame 13 may be disposed under the impeller base 28, as shown in FIG. 2, a baffle handle 43 suitable for the conversion frame 13 may be disposed on the screen frame 6, and the baffle handle 43 may be provided with a roller that rotates within the conversion frame or Bearings, both ends of the conversion frame 13 can be provided with a limit baffle 42 for restricting the position of the baffle handle 43 (the front and rear of the change position are relative, and the two positions can be reversed, converted, and transformed.
  • the position of the filter frame 6 in the vacuum cleaning mode is defined as the change before the change, and the washing work mode is defined as the change after the change).
  • some elastic protruding spring pieces or rubber pads may be provided on the inner end surface of the conversion frame 13.
  • the conversion frame 13 can also be a recess 44 recessed in the impeller base 28, and one end of the baffle handle 43 or the screen frame 6 is embedded in the recess 44 by the suspension device 45 and can slide in the recess 44, as shown in FIG. .
  • the driving device can be one of the rotating rod 3, the push rod 3-2, the lever 3-3, and the pull cord 3-4 (of course, other driving methods can also be used).
  • Manually, the lever 3, the push rod 3-2, the lever 3-3, the pull cord 3-4 drive device are directly or converted (such as through a bevel gear) to bend or extend to the top or bottom of the machine or around (the outer casing) , by hand to turn back or push or push; electric is driven by the motor (acceleration and acceleration mechanism) output drive shaft.
  • the motor can drive the lead screw, the push rod moves in the manner of a nut, or the motor and the push rod are driven by a gear or a rack; the motor can directly drive the rotating shaft of the lever or the motor drives the lever to move the lever, which belongs to Mechanically used methods of reciprocating or linear motion of motor rotation are not listed.
  • the filter frame 6 is connected to a rotating rod 3, and the impeller inlet passage 2 is opened before the rotating rod 3 rotates, and faces the suction passage 1. After the rotating rod 3 rotates, the filter frame 6 is connected with the filter screen 5 to cover the impeller inlet passage 2, and
  • the rod 3 can be in the following three forms:
  • the rotating rod 3 is extended through the impeller base 28 as shown in Fig. 1 (a, b).
  • the rotating rod 3 driving device is composed of a motor, a speed reducing mechanism, a driving shaft and a screw.
  • the motor drives the driving shaft through a speed reducing mechanism, and the driving shaft is driven by a screw insertion (or other screw driver and screw contact) to be screwed into the impeller.
  • the lower side of the base of the air passage 2, the other end of the screw is placed with the screen frame 6 (such as by a key connection).
  • the rotating rod 3 is lifted and lowered by a fixed nut manner, and the filter frame 6 blocks the impeller inlet passage 2 when rising, and the filter frame 6 is rotated through an angle to open the impeller inlet passage 2.
  • the advantage of this driving method is The screen frame 6 can tighten the gap with the base of the impeller inlet passage 2 (the end of the impeller inlet passage 2 away from the rotating rod can also be slightly inclined downward or the end of the screen frame 6 away from the rotating rod can be slightly inclined upward ).
  • the rotating rod may not exist as a screw (no need for a small range of lifting), and it is a rotating shaft fixed to the screen frame 6 (such as a shaft end milling drive) The shaft) is opened before the rotating rod 3 rotates, and the impeller inlet passage 2 is opened toward the suction passage 1, and the filter frame 6 blocks the impeller inlet passage 2 after the rotating rod 3 rotates.
  • the rotating rod 3 is placed on the extension rod of the filter frame 6, as shown in Fig. 3 (a, b), and this way can also be regarded as the lever of the extension end of the extension rod (the middle shaft is only rotated) axis).
  • the filter frame 6 is connected with a push rod 3-2, and the push rod 3-2 pushes the front impeller inlet passage 2 to open, toward the suction passage 1, and the push rod 3-2 pushes the filter frame 6 with the filter screen 5 to block the impeller.
  • the filter frame 6 is connected with a shifting rod 3-3, and the front rod impeller inlet passage 2 is opened by the shifting rod 3-3, facing the suction passage 1, and the shifting rod frame 3-3 is moved, and the filter net frame 6 is connected with the filter screen 5 Impeller inlet passage 2, as shown in Figure 4 (c, d).
  • the filter frame 6 is connected with a pull cord 3-4, and the front impeller inlet passage 2 is opened before the drawstring 3-4 is pulled, toward the suction passage 1, and after the pull cord 3-4 is pulled, the filter net frame 6 is connected with the filter screen 5 to block the impeller.
  • Air passage 2 as shown in Figure 5 (a, b).
  • the drawstring is generally made of steel wire rope, made of stainless steel or treated with anti-rust treatment. It can also be used for anti-corrosion treatment (such as waxing). It is easy to break the nylon wire rope or belt.
  • the advantage of the drawstring is that it is compact and has many components.
  • the periphery of the filter frame 6 has a groove for restricting the drawstring.
  • a part of the rope can be fixed to the filter frame 6 or the drive shaft by means of embedding or squeezing (or On the wheel), in order to control the angle of movement, it is generally necessary to set a passive shaft (wheel).
  • the above structure (for example, under the impeller base 28) is for the vacuum cleaner horizontally disposed on the impeller 9, and the structure of the present invention can also be rotated through a certain angle, as shown in Fig. 7(a), the wet and dry of the impeller 9 is vertically disposed.
  • the schematic diagram of the vacuum cleaner is horizontally arranged with respect to the impeller 9, and the vertical arrangement can make the structure of the whole machine lower, but the suction passage 1 needs to be bent, which reduces the efficiency of the airflow to some extent.
  • the sewage collection tank 11 used for the wet and dry vacuum cleaner provided vertically in the impeller 9 is different from the lateral arrangement, as shown in Fig. 7(b), as described in the specification of zl201410308576.4 (a wall cleaning device), In this setting, a window can be placed on the side of the vacuum cleaner, dumping the trash when it is opened, or removing the drawer-type water tank.
  • the second type the obstruction is a baffle plate 4 with a driving device disposed at the bottom of the filter frame 6 of the vacuum cleaner.
  • the baffle plate 4 having a streamlined belt drive device has a streamline type, and the flow path type refers to a streamline type in which the baffle plate 4 has a small wind resistance such as a conical curve toward the suction passage.
  • the baffle 4 is a conical fairing 8 under the baffle plate 4.
  • the bottom window 7 of the filter frame 6 is blocked by the baffle and enters the vacuum working mode; when the baffle 4 is removed by the driving device, the bottom window 7 of the filter frame 6 is opened to enter the water absorbing work. mode.
  • the baffle 4 When washing the ground, as shown in Fig. 8(a), the baffle 4 is moved to the side by the driving device, the screen frame 6 is not blocked by the baffle 4, and the air flow mixed with the water drops enters the suction channel 1 and passes through the bottom window of the filter net frame.
  • the impeller inlet passage 2 directly enters the impeller 9 driven by the suction motor, and is sprayed by the centrifugal impeller 9 to the sewage collection tank 10 at the periphery of the impeller 9, the heavier liquid is left in the sewage collection tank 10, and the airflow is discharged through the airflow.
  • the passage 12 is exhausted from the outside of the machine.
  • the baffle 4 When vacuuming, as shown in Fig. 8(b), the baffle 4 is moved by the driving device to block the bottom window 7 of the screen frame 6, and after the airflow enters the suction passage, it is branched to the periphery of the filter 5 through the tapered fairing 8 under the baffle 4.
  • the filter 5 When the filter 5 is permeable, the garbage remains in the garbage bin 21, and the clean airflow enters the impeller inlet passage 2, and is driven by the impeller 9 driven by the vacuum motor, and then discharged out of the machine through the airflow discharge passage 12, and the airflow operation mode with the ordinary vacuum cleaner Consistently, there is no additional blockage, but when working in the scrubbing mode, the airflow efficiency is significantly improved because the filter 5 is not passed.
  • the tapered fairing 8 is not a necessity, but the machine wind resistance of the fairing 8 is relatively small.
  • the projection of the remaining part is the same as the projection shape of the bottom of the filter frame 6.
  • the size of the baffle 4 is similar, and can be appropriately larger, as shown in Figure 10, to ensure that after long-term use, block
  • the sag of the plate 4 due to wear or fatigue deformation of the driving device makes the sealing performance of the bottom of the filter frame 6 worse, which can make the driving shaft rotate a little more, as shown in Fig. 10 (ii, iii), or move a little more.
  • the larger baffle can also provide good aerodynamic performance when the baffle change position is in place.
  • a rail-type conversion frame 13 may be disposed at the bottom of the screen frame 6, as shown in FIG. 9, a limit baffle 42 for limiting the switching position of the baffle 4 may be disposed on the side of the conversion frame 13.
  • a baffle groove 41 suitable for the conversion frame 13 may be disposed on the baffle 4, and the baffle groove 41 is completely inside the conversion frame 13 before the baffle 4 is changed position, and the baffle 4 is partially rotated in the conversion frame 13 after the position is changed. (Before and after the change position is relative, the two positions can be reversed after the change and before the change.
  • the position of the baffle in the vacuum method is defined as before the change, and the work mode of the scrubbing is defined as After the transformation).
  • some elastic protruding spring pieces or rubber pads may be disposed on the side of the conversion frame 13 facing the filter frame, and the rubber pad may also be disposed on the baffle 4.
  • the driving device can be one of the rotating rod 3, the push rod 3-2, the lever 3-3, and the pull cord 3-4 (of course, other driving methods can also be used).
  • Manually, the lever 3, the push rod 3-2, the lever 3-3, the pull cord 3-4 drive device are directly or converted (such as through a bevel gear) to bend or extend to the top or bottom of the machine or around (the outer casing) , by hand to turn back or push or push; electric is driven by the motor (acceleration and acceleration mechanism) output drive shaft.
  • the motor can drive the lead screw, the push rod moves in the manner of a nut, or the motor and the push rod are driven by a gear or a rack; the motor can directly drive the rotating shaft of the lever or the motor drives the lever to move the lever, which belongs to Mechanically used methods of reciprocating or linear motion of motor rotation are not listed.
  • the baffle 4 is connected to a rotating rod 3, and the bottom frame window 7 of the screen frame 6 is opened before the rotating rod 3 rotates, and faces the suction passage 1, and the rotating rod 3 rotates the rear baffle 4 to block and close the bottom frame window 7 of the filter frame 6.
  • the rotating rod 3 can be in the following four forms:
  • the rotating rod 3 is placed on the outer edge of the filter screen outside the filter frame, as shown in Fig. 11 (a, b).
  • the rotating rod 3 driving device is composed of a motor, a speed reducing mechanism, a driving shaft and a screw.
  • the motor drives the driving shaft through a speed reducing mechanism, and the driving shaft is driven by a screw insertion (or other screw driver and screw contact) to be screwed into the impeller.
  • a screw insertion or other screw driver and screw contact
  • One end of the screw on the base of the air passage 2 or the bottom of the filter tray, the other end of the screw is disposed with the baffle 4 (for example, by a key connection).
  • the rotating rod 3 is lifted and lowered by the fixing nut manner, and the baffle 4 blocks the bottom of the filter frame barrel when rising, and the baffle 4 rotates through an angle to open the lower window of the filter frame, as shown in Fig. 8.
  • the advantage is that the baffle can tighten the gap with the bottom of the bucket (the end of the bucket away from the swivel can also be slightly inclined downwards or the end of the baffle away from the swivel
  • the rotating rod may not exist as a screw (no need for a small range of lifting), and it is a rotating shaft fixed with the baffle (such as a shaft-flattened driving shaft), Before the rotating rod 3 rotates, the bottom frame window 7 of the screen frame 6 is opened, facing the suction passage 1, and the rotating rod 3 rotates the rear baffle 4 to block and close the filter frame 6.
  • the drive motor is generally disposed above the baffle 4, and may of course be disposed below the baffle 4, but the water droplets easily penetrate into the motor and the drive mechanism.
  • the rotating rod 3 is placed on the extension rod outside the filter screen outside the filter frame, as shown in Fig. 12 (a, b), this way can also be regarded as the lever of the outer end of the extension rod (the middle shaft Just turn the axis).
  • the rotating rod 3 is parallel to the plane of the bottom of the screen frame 6, as shown in Fig. 12 (c, d), the driving baffle is rotated in a "flip" manner.
  • the baffle 4 is not necessarily a flat plate, and may be in the shape of a fairing 8.
  • the baffle 4 is connected to a push rod 3-2, and the push rod 3-2 pushes the front filter frame 6 to open the bottom window 7 toward the suction passage 1, and the push rod 3-2 pushes the tailgate 4 to block and close the filter frame. 6, as shown in Figure 13 (a, b).
  • the baffle 4 is connected to a lever 3-3, and the lever 3-3 is moved to move the front filter frame 6 to the bottom of the window 7 to open, facing the suction passage 1, the lever 3-3 is moved by the rear baffle 4 to block and close the filter The grid 6, as shown in Figure 13 (c, d).
  • the baffle 4 is connected to a drawstring 3-4, and the puller 3-4 pulls the front filter net frame 6 the bottom window 7 is open, facing the suction passage 1, the pull cord 3-4 pulls the rear baffle 4 to block and close the filter net frame 6, as shown in Figure 14 (a, b).
  • Fig. 15(a) is a schematic structural view of the wet and dry vacuum cleaner in which the impeller 9 is vertically disposed.
  • a sewage tank 11 may be disposed below the sewage collection tank 10, and the sewage of the sewage collection tank 10 flows into the sewage tank 11 (if the sewage tank 11 is not installed, the sewage collection tank 10 is also a sewage tank) .
  • the air stream simultaneously ejected by the impeller can be sent out of the body through a separate air discharge passage 12, and there are two ways of discharging, one for direct discharge and the other for discharge to the bottom of the body (blowing to the suction port).
  • a second filter 15 (such as FIG. 8) may also be disposed on the discharge passage 12 to filter the dirty airflow.
  • the sewage collection tank 10 may be provided with a splash-proof mesh 16 (such as a sponge) toward the impeller 9, or may be disposed on the groove wall.
  • a spiral or oblique downward groove 17 allows the water droplets to collect without being carried away by the air stream.
  • the sewage collection tank 11 can be multi-section trapezoidal as shown in Fig. 6 (I, II, III) (the advantage of multi-section setting is that it is easy to take out and clean, and the installation is also convenient), and is inclined from the inside to the outside, from high to low, and is convenient.
  • the sewage flows out; or it may be an integral annular groove. As shown in Fig.
  • the impeller and the impeller drive motor and the sewage collection tank 11 may be sequentially extracted from top to bottom, and the bottom plate of the sewage collection tank 11 is inclined from high to low.
  • the water outlet is at the lowest point.
  • the sewage collection tank 11 can be large or small, large or small (the wall of the tank is inclined upward or downward), or a straight barrel or a drum.
  • the integrated sewage collection tank 11 can be arranged as described in the specification of zl201410308561.8 (a scrubber dryer), and the present invention focuses on describing the switching portion of the baffle 4, and the sewage collection tank 11 is not focused.
  • the lifting mechanism (one of the peripheral poles) is a common gear rack or a screw nut with a self-locking function.
  • the barrel filter frame 6 is just an image name. It is not necessary to set the filter frame 6 (filter screen) into the shape of a barrel.
  • a rectangular plate-shaped filter frame (filter) can also be called a flat plate. Rectangular barrel.
  • the third type the covering is a belt-driven baffle 4 disposed between the suction passage 1 of the cleaner and the screen frame 6.
  • Fig. 16 (a) As shown in Fig. 16 (a), at the time of washing (water absorption), after entering the suction passage 1 by the air flow mixed with the water droplets, a part of the heavier water droplets hit the baffle 4, and dripped into the dustbin through the lower edge of the baffle 4.
  • the filter net 5 the filter mesh can be disposed at the bottom of the filter rack 6 or can be set around the screen frame 6, in Fig. 16(a), the functioning screen is mainly the surrounding screen) through the impeller inlet passage into the impeller 9 driven by the suction motor, and finally discharged outside the machine.
  • the baffle 4 When vacuuming, as shown in Fig. 16(b), the baffle 4 is removed by the driving device, and after the airflow enters the suction passage 1, it is directed to the filter screen 5 (the filter that mainly acts on the bottom of the filter rack 6).
  • the through-filter enters the impeller 9 driven by the suction motor through the impeller inlet passage 2, and finally exits the machine, and the garbage is retained in the garbage tank 21. Since there is no barrier of the baffle 4, the airflow efficiency is higher. In this way, whether it is dry vacuum or wet water absorption (washing), the air flow will be filtered through the filter and then into the impeller 9.
  • the driving device can be one of the rotating rod 3 or the push rod and the lever (of course, other driving methods can also be used).
  • the so-called rotating rod 3 is a rotating shaft fixed with the baffle 4 (or the attachment of the baffle 4). Before the rotating rod 3 rotates, the bottom of the filter net frame 6 is opened, and faces the suction passage 1 (dusting method).
  • the lever 3 rotates the tailgate 4 to block the direction of the screen frame 6 toward the suction passage 1 (water absorption mode).
  • the push rod refers to a fixed rod that can move the baffle 4 in a push-pull manner, and the push rod refers to a driving device that can move the end of the fixed rod to move (turn) the baffle 4 at the other end of the fixed rod.
  • the drive can be manual or electric.
  • Manually the rotary rod 3, the push rod and the lever drive device are directly or converted (for example, through a bevel gear) to the top or bottom of the machine or around the outer casing (the outer casing), and the hand is rotated or pushed or pushed by hand; the electric motor is passed through the motor.
  • the drive shaft drive acceleration-accelerating mechanism output.
  • the motor can drive the lead screw, the push rod moves in the manner of a nut, or the motor and the push rod are driven by a gear or a rack; the motor can directly drive the rotating shaft of the lever or the motor drives the lever to move the lever, which belongs to Mechanically used methods of reciprocating or linear motion of motor rotation are not listed.
  • the cross section of the baffle 4 is substantially streamlined, and the cross-section is a streamline type in which the baffle 4 has a small wind resistance such as a "umbrella” (or “herringbone”) or a parabolic curve toward the suction passage.
  • the cross-section is generally streamlined, and “substantially” means that the streamlined curve is not necessarily smooth, and groove-shaped grooves 17 may be provided at both side edges of the baffle 4 to facilitate deposition of water droplets without being blown away by the airflow.
  • the whole of the baffle 4 may be arc-shaped (for easy rotation). As shown in FIG. 16, the rotation of the rotating rod 3 causes the baffle 4 to change its position as a whole. As shown in FIG. 2, the motor acceleration/deceleration mechanism 30 drives and rotates the rod 3.
  • the tooth-engaging gear 31 provided at one end drives the rotating rod 3 to drive the driving arm 32 of the supporting baffle to rotate, and the connecting baffle 4 rotates through the slit 41 of the baffle setting frame 40 (that is, the upper cover of the garbage can).
  • the plate setting frame 40 has a fixing ring 47 for enclosing the rotating rod 3, and a sliding ring (such as a copper ring) or a bearing for rotating the rotating rod 3 between the fixing ring 47 and the rotating rod 3, and the baffle driving motor acceleration/deceleration mechanism 30 It is also disposed on the baffle setting frame 40 (Fig. 17 is a plan view of the baffle structure in the casing). Since there is a slit 41 in the baffle setting frame 40, a sealing casing 48 is required to be installed on the entire baffle 4 and the driving device to prevent the airflow from entering the slit 41 when the impeller 9 is in operation.
  • An end stop 46 for preventing detachment may be disposed at both ends of the baffle 4, and a limit baffle 42 is disposed on the frame 40 provided by the baffle, and the limit baffle 42 blocks the end stops of the two ends of the baffle 4 of the belt drive device
  • the plate 46 is such that the baffle 4 of the belt drive device is defined in a changed position.
  • the rotating rod 3 can be a worm (or a slant with a certain self-locking function).
  • the gear is driven by a gear or a relatively large spur gear.
  • the baffle 4 as a whole may also be a straight line (for easy lifting).
  • a rack may be provided on one side edge of the baffle 4 to be driven by a rack and pinion, and the drive gear (and its extension rod) is equivalent to a rotating rod. 3.
  • No teeth are provided at both ends of the rack for limiting position.
  • a thick pair of fixing blocks 49 may be arranged on the baffle setting frame, and the pair of fixing blocks may have a “sliding up and down (tilt) between the fixing blocks.
  • the herringbone "slot 41 (corresponding to the track in which the baffle 4 moves up and down).
  • the baffle 4 as a whole may also be in the form of a fairing 8.
  • the fairing 8 is connected to a fixing rod, and the curved edge of the other end of the fixing rod is provided with teeth, and the fixing rod is like a rotating rod (or a lever), and is driven.
  • the motor-driven gear drives the baffle 4 to move integrally in a rotating (toggle) manner, and a hole is provided in the fixing rod, and a rotating shaft disposed on the baffle setting frame 40 (that is, the upper cover of the garbage can) is worn.
  • the fixing rod is a rotating rod (as shown in the driving mode of FIG. 20); or
  • the other end edge of the fixed rod is provided with a rack-shaped tooth (straight line setting), which is driven by a rack and pinion.
  • the fixed rod is like a push rod, and the gear driven by the driving motor is moved in a push-pull manner to drive the whole movement of the baffle 4, and In the manner of FIG.
  • a return pipe 27 leading to the sewage container may be provided at the straight pipe toward the suction port, and the water droplets on the suction passage 1 are collected while collecting water, and collected into the sewage container, as shown in FIG.
  • the baffle 1 of the belt driving device preferably tends to an angle, that is, the lowest point of the baffle does not face the suction passage 1, otherwise the liquid Will drop to the suction channel 1, if it is tilted, it will move to the lowest end of the baffle.
  • the groove 17 provided on the baffle 4 extends from the height of the baffle side to the edge of the other side, and penetrates the groove 17 provided on the side edge of the baffle plate 4 in the up and down direction to ensure the collection of water droplets. It is dropped from the lowest point of the baffle 4 in the groove 17 without being blown away by the air flow.
  • the rotating rod 3 can also be arranged parallel to the plane of the bottom of the screen frame 6, and the driving shutter 4 is rotated in a "flip" manner.
  • a sewage tank (or sewage container) 11 may be further disposed below the garbage tank 21, and a belt is provided between the garbage tank and the garbage tank.
  • the hole or mesh partition 23, or the bottom of the waste bin, is inclined, and at the lowest point there is a drain hole leading to the sewage tank 11 below.
  • a window may be provided on the side of the vacuum cleaner, and when the drawer is opened, the drawer type sewage tank 11 may be taken out or the garbage in the garbage tank 21 may be dumped, or a water pipe connected to the drain valve may be disposed at the lowest point of the sewage container.
  • the filter frame 6 refers to a frame in which the vacuum cleaner is provided with the filter screen 5, and the part is a reinforced baffle plate, a frame or a grid which is partially supported, or even a frame clip or a filter screen 5 is embedded.
  • the screen 5 forms a barrel-like (similar) structure around the impeller inlet passage 2 around the screen frame 6 in a fence manner, and the aforementioned bottom position is the position of the screen frame 6 facing the impeller inlet passage 2.
  • the impeller drive motor of the wet and dry vacuum cleaner needs to be waterproofed.
  • the motor has a separate passage for heat dissipation, and a seal ring between the drive shaft and the motor.
  • the position detecting switch can be a micro switch or a light guide pair. Tube or magnetic sensor switch, or set the color on the obstruction, detect the position by color reflection; or use the stepper motor, servo motor, or the common DC motor setting code to detect the angle of the motor rotation without using the switch . If you manually, you can constrain the distance of movement by means of a limit column (baffle).
  • the brush disk 14 for the vacuum cleaner is used in different dry and wet environments, and the brush disk 14 or the roller brush (referring to the current cleaning robot such as the roomba type roller brush) can use the composite brush (each bristles, brush (scraping) pieces) Or brush strips are mixed), or a single brush, with bristles for dry suction, with a brush (scraping) or brush strip for washing, for a single brush, the brush is required for easy replacement, for the brush 14 described in ZL201210446511.7
  • the brush tray 14 can be replaced as a whole, which requires the brush tray 14 to be easily disassembled, and the thread can be arranged at the lower end of the drive shaft of the brush disc 14, and the whole brush disc can be disassembled and assembled by the nut.
  • the nut can be easily installed.
  • the direction of rotation is the same as the direction of rotation when the brush disk is in operation;
  • the brush disk can also be fixed on the drive shaft by a nut that is easy to screw (such as a plum nut), in order to prevent the brush disk from slipping on the drive shaft, in contact with the drive
  • the groove can be arranged (the protruding tooth on the drive shaft cooperates with the tooth);
  • the brush plate and the drive shaft can also be fixed by the buckle and the snap spring, and the common wheel and the drive shaft are different.
  • One enumeration The connection between the current scrubber disc brush and the drive shaft is available.
  • the brush bristles, the brush strips, and the brush slabs may be placed on the curved spokes on the brush disc in an embedded manner, and the old ones may be pulled out when replaced, and the new ones may be re-embedded.
  • the horizontal setting and vertical setting of the impeller 9 will change the directional terminology of other parts of the vacuum cleaner. This change has little effect on the actual use of the component (except the sewage collection tank).
  • the directional word is only for description and cannot be regarded as It is a limitation of the invention.
  • the present invention exemplifies a part of the invention and cannot be considered as limiting the scope of the patent protection of the present invention.
  • various modifications such as replacement, simple combination, and the like of the driving device, the filter frame 6, and the baffle 4 can be made without departing from the scope of the present invention.

Abstract

一种干湿两用吸尘器，该吸尘器具有设置叶轮进气通道（2）的叶轮底座（28），在该叶轮底座（28）下设置一个朝向吸入通道（1）的带驱动装置的遮挡物。该遮挡物有三种设置方式：①遮挡物是用于设置滤网（5）的滤网架（6）；②遮挡物是设置在滤网架（6）底部，截面呈流线型的挡板（4）；③遮挡物是设置滤网架（6）下方，截面大致呈流线型的挡板（4）。前两种方式中，遮挡物被驱动装置移开时，气流不通过滤网（5），为吸水模式；遮挡物被驱动装置移入时，为吸尘模式。第③种方式中，遮挡物被驱动装置移开时为吸尘模式，遮挡物被移入时为吸水模式。吸尘或吸水模式中的其中一种模式中，气流效率可以提高。

Description

一种干湿两用吸尘器 一种干湿两用吸尘器
本发明涉及一种干湿两用吸尘器，主要通过设置可变换位置（带驱动装置）的遮挡物用于提高干湿两用吸尘器的气流效率，尤其适用于小功率的干湿两用清洁机器人。
现有的清洁机器人主要指智能吸尘器，涉及商品的智能吸尘器有多种，而作为商品的的智能拖地机目前仅可见两种，见http://www.bblqs.com/article/399.htm，还没有能拖地（洗地）、吸尘合一的清洁机器人出现，本发明人新设计了一种刷盘，见ZL201210446511.7，使得能拖地（洗地）、吸尘合一的清洁机器人出现成为可能，目前虽然有非智能的干湿两用的吸尘器，大多采用了挡板阻碍带液体的气流，使气液分离，这种结构气流的效率比较低，所以大都采用大功率的吸尘电机。对于小型化、用电池供电的小功率智能机器人来说，让它能够拖地并把脏水带走有些勉为其难。相对而言中国家庭比较喜欢拖地，吸尘器用得比较少，因此拖地机在中国应该更受欢迎。目前的拖（洗）地机（洗地吸干机）常见于商场、办公等大面积场地，能满足家用或拥挤场所的洗地机仅见一款，为力奇先进的小型洗地吸干机SC350（仿造机型不算），需要人工操作，功率为450瓦。因为机器人有关的部件包括控制器、传感器、驱动机构等相对成本较贵，而且对于清洁机器人而言，吸尘、洗地的控制机理、传感器、驱动部件基本相同，如果一台清洁机器人同时具备拖地和吸尘的功能那是锦上添花的事情，这儿指的“同时具备拖地和吸尘的功能”，指清洁机器人既可以作为自动吸尘器使用，又可作为自动洗（拖）地机使用，并不是指它能同时应付干、湿的清扫环境。由于清洁机器人大都使用电池供电，电池重量重成本高，一次使用时间短，所用的吸尘电机功率不能太大，要使清洁机器人有好的清洁效果，需要考虑提高吸尘电机的使用效率。
本发明的目的就是为了针对干吸和洗地（湿吸）两种不同的使用场合采取不同的清洁机制，在干、湿两种情况下保证吸尘电机驱动的气流尽可能高的使用效率。
本发明是这样设计的：
在吸尘器设置叶轮进气通道的叶轮底座下设置一个朝向吸入通道的带驱动装置的遮挡物，此遮挡物有三种设置方式：
第一种：遮挡物是用于设置滤网的滤网架，即滤网架连带滤网是活动的。
滤网架被驱动装置移入时，叶轮进气通道被滤网架遮住，进入吸尘工作模式；滤网架被驱动装置移出时，叶轮进气通道敞开，进入拖地工作模式。
在洗地时，滤网架被驱动装置移到一边，叶轮进气通道敞开，夹杂着水滴的气流在进入吸入通道后，通过叶轮进气通道直接进入吸尘电机驱动的叶轮，被离心式叶轮洒向叶轮外围的污水收集槽，较重的液体被留在污水收集槽，气流则通过气流排出通道排出机外。
在吸尘时，滤网架被驱动装置移动遮住叶轮进气通道，气流进入吸入通道后，透过滤网架上的滤网时垃圾留在垃圾箱内，较干净气流进入叶轮进气通道，通过吸尘电机驱动的叶轮，再通过气流排出通道排出机外，与普通吸尘器的气流运行方式一致，没有受到额外的阻挡，但在洗地方式工作时，由于没有通过滤网，气流效率明显提高。
在干湿两用吸尘器的吸入通道与叶轮进气通道之间存在设置滤网的桶状滤网架，滤网架桶底有窗口，滤网架底部设置一个朝向吸入通道的，截面呈流线型的带驱动装置的挡板，挡板被驱动装置移入时，滤网架桶底窗口被挡板挡住；挡板被驱动装置移出时，滤网架桶底窗口敞开。
干吸时，气流被挡板分流到挡板后的滤网周围，将垃圾留在垃圾箱内，气流透过滤网进入叶轮并排出机外；湿吸时，挡板被驱动装置移去，滤网架底部窗口敞开，气流直接进入滤网架内，不通过滤网进入叶轮，洒向叶轮外围的污水收集槽，分离的气流直接排出机外，水滴留在污水收集槽内。
吸尘方式时与普通吸尘器的气流运行方式一致，没有受到额外的阻挡，但在洗地方式工作时，由于没有通过滤网，气流效率明显提高。
驱动装置可为转杆、推杆、拨杆、拉绳中的一个。
第二种：遮挡物是设置在吸尘器的滤网架底部，截面呈流线型的带驱动装置的挡板。
吸尘器的吸入通道与叶轮进气通道之间存在设置滤网的桶状滤网架，滤网架桶底有窗口，滤网架底部设置一个朝向吸入通道的，截面呈流线型的带驱动装置的挡板，所谓截面呈流线型指挡板朝向吸入通道方向呈锥形曲线等风阻较小的流线型，比如挡板下为一锥形整流罩。挡板被驱动装置移入时，滤网架桶底窗口被挡板挡住，进入吸尘工作模式；挡板被驱动装置移出时，滤网架桶底窗口敞开，进入吸水工作模式。
在洗地时，挡板被驱动装置移到一边，滤网架没有被挡板挡住，夹杂着水滴的气流在进入吸入通道后，穿过滤网架底部窗口、通过叶轮进气通道直接进入吸尘电机驱动的叶轮，被离心式叶轮洒向叶轮外围的污水收集槽，较重的液体被留在污水收集槽，气流则通过气流排出通道排出机外。
在吸尘时，挡板被驱动装置移动挡住滤网架底部窗口，气流进入吸入通道后，通过挡板下的锥形整流罩分流到滤网周围，透过滤网时垃圾留在垃圾箱，较干净气流进入叶轮进气通道，通过吸尘电机驱动的叶轮，再通过气流排出通道排出机外，与普通吸尘器的气流运行方式一致，没有受到额外的阻挡，但在洗地方式工作时，由于没有通过滤网，气流效率明显提高。锥形整流罩并非是必需品，但有整流罩的机器风阻相对较小。
上述两种方式中的驱动装置可为转杆或推杆、拨杆、拉绳中的一个（当然也可用其它驱动方式）。
第三种：遮挡物是设置在吸尘器的吸入通道与滤网架6之间的带驱动装置的挡板。
在洗地（吸水）时，夹杂着水滴的气流在进入吸入通道后，一部分较重的水滴打在挡板上，通过挡板的下缘滴入垃圾箱内，气流中的另一部分水滴则依靠惯性撞击在垃圾箱体并滴入垃圾箱内，气流则透过滤网（滤网可设置在滤网架的桶底位置，也可设置在滤网架的周围，通过叶轮进气通道进入吸尘电机驱动的叶轮，最后排出机外。
在吸尘时，挡板被驱动装置移开，气流进入吸入通道后，直对滤网，透过滤网通过叶轮进气通道进入吸尘电机驱动的叶轮，最后排出机外，垃圾则滞留在垃圾箱内。因为没有挡板的阻隔，气流效率更高。
第三种方式下无论是干的吸尘还是湿的吸水（洗地），气流均会通过滤网过滤再进叶轮，叶轮外围无污水收集槽，如普通吸尘器一般，驱动装置可为转杆或推杆、拨杆、拉绳中的一个（当然也可用其它驱动方式）。
附图说明
图1（a、b）为本发明的第一种方式滤网架位置变换示意图（吸尘电机横向设置其中），其中a为洗（拖）地工作状态、b为吸尘工作状态。
图2为叶轮进气通道下滤网架位置转换示意图。
图3~5为滤网架一些可用的转换机构示意图（左侧为变换后（洗地工作方式），右侧为变换前（吸尘工作方式））。
图6为污水收集槽的俯视图。
图7为本发明的第一种方式叶轮竖向设置的干湿两用吸尘器结构剖面（a）及污水收集槽（b）示意图。
图8（a、b）为本发明的第二种方式挡板位置变换示意图（叶轮横向设置），其中a为洗地工作状态、b为吸尘工作状态。
图9滤网架底部窗口下挡板位置变换立体示意图。
图10为挡板大于滤网架底部状况下的挡板位置变化示意图。
图11~14为本发明的第二种方式挡板的一些可用的转换机构示意图（左侧为变换后（洗地工作方式），右侧为变换前（吸尘工作方式））。
图15为本发明的第二种方式叶轮竖向设置的干湿两用吸尘器结构剖面（a）及污水收集槽（b）示意图。
图16（a）、（b）为本发明的第三种方式挡板位置变化示意图。
图17为图16的挡板结构俯视图。
图18（a）、（b）为本发明的第三种方式另一种挡板位置变化示意图。
图19为本发明的第三种方式挡板的一种形状示意图。
图20为本发明的第三种方式另一种挡板结构横向（a）、纵向（b）剖面图。
实施例
在吸尘器设置叶轮进气通道2的叶轮底座28下设置一个朝向吸入通道1的带驱动装置的遮挡物，此遮挡物有三种设置方式：
第一种：遮挡物是用于设置滤网5的滤网架6，即滤网架6连带滤网5是活动的。
滤网架6被驱动装置移入时，叶轮进气通道2被滤网架6遮住，进入吸尘工作模式；滤网架6被驱动装置移出时，叶轮进气通道2敞开，进入拖地工作模式。
在洗（拖）地时如图1（a），滤网架6被驱动装置移到一边，叶轮进气通道2敞开，夹杂着水滴的气流在进入吸入通道1后，通过叶轮进气通道2直接进入吸尘电机驱动的叶轮9，被离心式叶轮9洒向叶轮9外围的污水收集槽10，较重的液体被留在污水收集槽10，气流则通过气流排出通道12排出机外。所谓洗（拖）地指吸尘器还带有自动喷水(清洗液)装置，主要包括清水箱18、水泵19、出水管道和出水口20，而干湿两用吸尘器一般无喷水装置，能用于吸干地面的水渍，本发明无论有无自动喷水装置均适用。
在吸尘时如图1（b），滤网架6被驱动装置移动遮住叶轮进气通道2，气流进入吸入通道后，透过滤网架6上的滤网5时垃圾留在垃圾箱内21，较干净气流进入叶轮进气通道2，通过吸尘电机驱动的叶轮9，再通过气流排出通道12排出机外，与普通吸尘器的气流运行方式一致，没有受到额外的阻挡，但在洗地方式工作时，由于没有通过滤网5，气流效率明显提高，滤网5被污水污染的情况也大大改善。
如果吸尘器的叶轮进气通道2是垂直向下朝向吸入通道1的，如图1，为了防止叶轮停止转动时吸附在滤网5下的垃圾直接掉出吸入通道，造成二次污染，可在滤网架6下设置一整流罩8，整流罩8的截面呈锥形曲线等风阻较小的流线型，锥形整流罩8并非是必需品，但有整流罩8的机器风阻相对较小。
在长久使用后，滤网架6由于驱动装置磨损或疲劳性变形引起的下垂，使得其与叶轮底座28下缘的密封性能变差，可以让驱动轴多转过一点，或多移过一点，以保证更好的密封性。可在叶轮底座28下设置轨道性质的转换框架13，如图2，滤网架6上可设置适合转换框架13的挡板柄43，挡板柄43上可设置在转换框架内转动的滚轮或轴承，转换框架13两端可设置限制挡板柄43变换位置的限位挡板42（变换位置前、后是相对而言的，也可以将两个位置反过来说变换后、变换前，美观起见，将吸尘方式中的滤网架6位置定义为变换前，洗地工作方式定义为变换后）。为了更好地保证密封性，还可在转换框架13内端面设置一些有弹性的凸起的弹簧片或橡胶垫。转换框架13也可是凹陷设置在叶轮底座28上的凹槽44，挡板柄43或滤网架6的一端通过悬挂装置45嵌入凹槽44内，并可在凹槽44内滑动，如图5。
驱动装置可为转杆3、推杆3-2、拨杆3-3、拉绳3-4中的一个（当然也可用其它驱动方式）。可为手动，也可电动。手动就是将转杆3、推杆3-2、拨杆3-3、拉绳3-4驱动装置直接或转换（比如通过锥齿轮）弯转或延伸至机器的顶端或底部或周围（外壳），用手来回转动或推动或拨动；电动就是通过电机（可加减速机构）输出的主动轴驱动。比如可通过电机驱动丝杠，推杆以螺母的方式移动，或电机与推杆以齿轮、齿条的方式驱动；电机可直接驱动拨杆的转轴或电机通过驱动凸轮拨动拨杆，这些属于机械上常用的以电机转动转换呈往复或者直线运动的方式不一一列举。
滤网架6与一转杆3相连，转杆3转动前叶轮进气通道2敞开，朝向吸入通道1，转杆3转动后滤网架6连带滤网5遮住叶轮进气通道2，转杆3可如下列三种形式：
（1）转杆3穿过叶轮底座28下延，如图1（a、b）。
转杆3驱动装置由电机、减速机构、主动轴、螺杆组成，电机通过减速机构驱动主动轴，主动轴以牙插入（或者其它类似螺丝起子与螺丝接触）的方式驱动通过螺纹旋置于叶轮进气通道2底座下侧，螺杆的另一端与滤网架6设置在一起（比如通过键连接）。以固定螺母方式让转杆3升降转动，上升时滤网架6挡住叶轮进气通道2，下降同时，滤网架6转过一个角度，敞开叶轮进气通道2，这种驱动方式的好处是滤网架6能够收紧与叶轮进气通道2底座之间的空隙（叶轮进气通道2底座远离转杆的一端还可略微向下倾斜或滤网架6远离转杆的一端可略微向上倾斜）。
如果叶轮通道2下方有转换框架13，转杆可以不以螺杆的方式存在（不需要小范围升降），它就是一根与滤网架6固定在一起的转动轴（如轴端铣平的驱动轴），转杆3转动前叶轮进气通道2敞开，朝向吸入通道1，转杆3转动后滤网架6遮住叶轮进气通道2。
（2）转杆3置于滤网架6的的延长杆上，如图3（a、b），也可将此方式认为是延长杆外端拨动的拨杆（中间转杆处只是转动轴）。
（3）转杆3平行于叶轮底座28底部所在平面，如图3（c、d），驱动滤网架6以“翻盖”的方式转动。
滤网架6与一推杆3-2相连，推杆3-2推动前叶轮进气通道2敞开，朝向吸入通道1，推杆3-2推动后滤网架6连带滤网5挡住叶轮进气通道2，如图4（a、b）。
滤网架6与一拨杆3-3相连，拨杆3-3拨动前叶轮进气通道2敞开，朝向吸入通道1，拨杆3-3拨动后滤网架6连带滤网5挡住叶轮进气通道2，如图4（c、d）。
滤网架6与一拉绳3-4相连，拉绳3-4拉动前叶轮进气通道2敞开，朝向吸入通道1，拉绳3-4拉动后滤网架6连带滤网5挡住叶轮进气通道2，如图5（a、b）。拉绳一般用钢丝绳，用不锈钢制作或经过防锈处理，也可用经过防腐处理（比如上腊）的不易断裂的尼龙丝绳或带，用拉绳的好处是结构紧凑，缺点是部件较多。滤网架6的外围有用于限制拉绳的槽，为了防止绳在滤网架6或驱动轴外围打滑，可将绳的局部通过嵌或拴等方式固定在滤网架6或驱动轴（或轮）上，为了控制移动的角度，一般还需设置一被动轴（轮）。
上述结构（比如叶轮底座28下）是针对叶轮9水平设置的吸尘器而言的，本发明的结构也可转过一定角度使用，如图7（a）就是叶轮9竖向设置的干湿两用吸尘器结构示意图，相对于叶轮9水平设置的，竖向设置可以让整机结构更低矮，但吸入通道1需要弯转，一定程度降低了气流的效率。叶轮9竖向设置的干湿两用吸尘器所用的污水收集槽11与横向设置的有所区别，如图7（b），也可如zl201410308576.4（一种墙壁清洗装置）说明书中描述的，在这种设置方式下，可在吸尘器侧面设置窗口，打开时倾倒垃圾，或取出抽屉式的水箱。
第二种：遮挡物是设置在吸尘器的滤网架6底部，截面呈流线型的带驱动装置的挡板4。
即吸尘器的吸入通道1与叶轮进气通道2之间存在设置滤网5的桶状滤网架6，滤网架6桶底有窗口7，滤网架6底部设置一个朝向吸入通道1的，截面呈流线型的带驱动装置的挡板4，所谓截面呈流线型指挡板4朝向吸入通道方向呈锥形曲线等风阻较小的流线型，比如挡板4下为一锥形整流罩8。挡板4被驱动装置移入时，滤网架6桶底窗口7被挡板挡住，进入吸尘工作模式；挡板4被驱动装置移出时，滤网架6桶底窗口7敞开，进入吸水工作模式。
在洗地时如图8（a），挡板4被驱动装置移到一边，滤网架6没有被挡板4挡住，夹杂着水滴的气流在进入吸入通道1后，穿过滤网架底部窗口、通过叶轮进气通道2直接进入吸尘电机驱动的叶轮9，被离心式叶轮9洒向叶轮9外围的污水收集槽10，较重的液体被留在污水收集槽10，气流则通过气流排出通道12排出机外。
在吸尘时如图8（b），挡板4被驱动装置移动挡住滤网架6底部窗口7，气流进入吸入通道后，通过挡板4下的锥形整流罩8分流到滤网5周围，透过滤网5时垃圾留在垃圾箱21内，较干净气流进入叶轮进气通道2，通过吸尘电机驱动的叶轮9，再通过气流排出通道12排出机外，与普通吸尘器的气流运行方式一致，没有受到额外的阻挡，但在洗地方式工作时，由于没有通过滤网5，气流效率明显提高。锥形整流罩8并非是必需品，但有整流罩8的机器风阻相对较小。
挡板4除了驱动挡板变换位置的部分，其余部分的投影与与滤网架6桶底的投影形状一样，大小差不多，也可适当大一些，如图10，以保证在长久使用后，挡板4由于驱动装置磨损或疲劳性变形引起的下垂，使得其与滤网架6底部密封性能变差，可以让驱动轴多转过一点，如图10（ii、iii），或多移过一点，以保证更好的密封性，或者由于滤网架底部有脏物，阻碍了挡板变换位置到位时较大的挡板也能提供良好的气动性能。为了防止挡板在变换位置前后被卡，可在滤网架6的桶底设置轨道性质的转换框架13，如图9，转换框架13侧面可设置限制挡板4转换位置的限位挡板42，挡板4上可设置适合转换框架13的挡板沟槽41，挡板沟槽41在挡板4变换位置前完全在转换框架13内，挡板4变换位置后局部还在转换框架13内（变换位置前、后是相对而言的，也可以将两个位置反过来说变换后、变换前，美观起见，将吸尘方式中的挡板位置定义为变换前，洗地工作方式定义为变换后）。为了更好地保证密封性，还可在转换框架13对着滤网架的那一面设置一些有弹性的凸起的弹簧片或橡胶垫，橡胶垫也可设置在挡板4上。
驱动装置可为转杆3、推杆3-2、拨杆3-3、拉绳3-4中的一个（当然也可用其它驱动方式）。可为手动，也可电动。手动就是将转杆3、推杆3-2、拨杆3-3、拉绳3-4驱动装置直接或转换（比如通过锥齿轮）弯转或延伸至机器的顶端或底部或周围（外壳），用手来回转动或推动或拨动；电动就是通过电机（可加减速机构）输出的主动轴驱动。比如可通过电机驱动丝杠，推杆以螺母的方式移动，或电机与推杆以齿轮、齿条的方式驱动；电机可直接驱动拨杆的转轴或电机通过驱动凸轮拨动拨杆，这些属于机械上常用的以电机转动转换呈往复或者直线运动的方式不一一列举。
挡板4与一转杆3相连，转杆3转动前滤网架6桶底窗口7敞开，朝向吸入通道1，转杆3转动后挡板4挡住并封闭滤网架6桶底窗口7。转杆3可如下列四种形式：
（1）转杆3置于滤网架外部滤网外缘下延，如图11（a、b）。
转杆3驱动装置由电机、减速机构、主动轴、螺杆组成，电机通过减速机构驱动主动轴，主动轴以牙插入（或者其它类似螺丝起子与螺丝接触）的方式驱动通过螺纹旋置于叶轮进气通道2底座上或滤网架桶底的螺杆的一端，螺杆的另一端与挡板4设置在一起（比如通过键连接）。以固定螺母方式让转杆3升降转动，上升时挡板4挡住滤网架桶底，下降同时，挡板4转过一个角度，敞开滤网架下窗口，如图8，这种驱动方式的好处是挡板能够收紧与桶底之间的空隙（桶底远离转杆的一端还可略微向下倾斜或挡板远离转杆的一端可略微向上倾斜）。
如果叶轮通道下方有转换框架13，转杆可以不以螺杆的方式存在（不需要小范围升降），它就是一根与挡板固定在一起的转动轴（如轴端铣平的驱动轴），转杆3转动前滤网架6桶底窗口7敞开，朝向吸入通道1，转杆3转动后挡板4挡住并封闭滤网架6。
驱动电机一般设置于挡板4上方，当然也可设置于挡板4下方，但是水滴往下容易渗入电机及驱动机构。
（2）转杆3置于滤网架6内部，如图11（c、d）。
（3）转杆3置于滤网架外部滤网外侧的延长杆上，如图12（a、b），也可将此方式认为是延长杆外端拨动的拨杆（中间转杆处只是转动轴）。
（4）转杆3平行于滤网架6底部所在平面，如图12（c、d），驱动挡板以“翻盖”的方式转动。挡板4不一定是平板，也可以就是整流罩8形状。
挡板4与一推杆3-2相连，推杆3-2推动前滤网架6桶底窗口7敞开，朝向吸入通道1，推杆3-2推动后挡板4挡住并封闭滤网架6，如图13（a、b）。
挡板4与一拨杆3-3相连，拨杆3-3拨动前滤网架6桶底窗口7敞开，朝向吸入通道1，拨杆3-3拨动后挡板4挡住并封闭滤网架6，如图13（c、d）。
挡板4与一拉绳3-4相连，拉绳3-4拉动前滤网架6桶底窗口7敞开，朝向吸入通道1，拉绳3-4拉动后挡板4挡住并封闭滤网架6，如图14（a、b）。
上述结构是针对叶轮9水平设置的吸尘器而言的，本发明的结构也可转过一定角度使用，如图15（a）就是叶轮9竖向设置的干湿两用吸尘器结构示意图。
在上述两种遮挡物设置方式中，在污水收集槽10下方可设置污水箱11，污水收集槽10的污水流入污水箱11内（污水箱11如果不设置，污水收集槽10同时就是污水箱）。被叶轮同时喷出的气流则可通过单独的气流排出通道12派出机体外，排出的方式有两种，一种直接排出，还有一种是排出到机体底部（吹向吸口）。排出通道12上也可设置第二过滤网15（如图8）过滤脏的气流，污水收集槽10朝向叶轮9的方向可设置防溅的网状物16（比如海绵），或者槽壁上设置螺旋或斜向下的沟槽17，让水滴汇集不被气流带走。污水收集槽11可如图6（I、II、III）的方式多节梯形（多节设置的好处是便于取出清洗，安装也比较方便）设置，由内而外、由高到低倾斜，便于污水流出；或者也可是整体的一套环形槽，如图6（IV），叶轮及叶轮驱动电机、污水收集槽11可依次从上而下提取，污水收集槽11底板呈由高到低倾斜，出水口位于最低处。污水收集槽11可上大下小或下大上小（槽壁截面向上倾斜或向下倾斜），或者是直桶或鼓状桶。一体的污水收集槽11设置方式可如zl201410308561.8（一种洗地吸干机）说明书中描述的，因本发明注重描述挡板4转换部分，污水收集槽11不作重点。
进一步的改进还可在叶轮外围的污水收集槽内设置一个可升降的开口大、底部小的内壁光滑（符合空气动力学设计的）环形挡板（挡住污水收集槽），在干吸时降下，能进一步提高干吸时的气流效率（不经过毛糙的防溅网或凹槽阻碍、气流出口更加顺滑）。升降机构（外围的几根柱子中的一根）为常用的齿轮齿条或带自锁功能的丝杠螺母等方式。
桶状滤网架6只是一种形象称呼，并不是一定要将滤网架6（滤网）设置成桶的形状，比如长方形平板状的滤网架（滤网）也可称为平置的长方形桶。
第三种：遮挡物是设置在吸尘器的吸入通道1与滤网架6之间的带驱动装置的挡板4。
如图16（a），在洗地（吸水）时，夹杂着水滴的气流在进入吸入通道1后，一部分较重的水滴打在挡板4上，通过挡板4的下缘滴入垃圾箱21内，气流中的另一部分水滴则依靠惯性撞击在垃圾箱21体并滴入垃圾箱21内，气流则透过滤网5（滤网可设置在滤网架6的桶底位置，也可设置在滤网架6的周围，在图16（a）中，起作用的滤网主要是周围的滤网）通过叶轮进气通道进入吸尘电机驱动的叶轮9，最后排出机外。
在吸尘时，如图16（b），挡板4被驱动装置移开，气流进入吸入通道1后，直对滤网5（起作用的主要是滤网架6桶底的滤网），透过滤网通过叶轮进气通道2进入吸尘电机驱动的叶轮9，最后排出机外，垃圾则滞留在垃圾箱21内。因为没有挡板4的阻隔，气流效率更高。这种方式下无论是干的吸尘还是湿的吸水（洗地），气流均会通过滤网过滤再进叶轮9。
驱动装置可为转杆3或推杆、拨杆中的一个（当然也可用其它驱动方式）。所谓转杆3就是一根与挡板4（或挡板4的附件）固定在一起的转动轴，转杆3转动前滤网架6桶底敞开，朝向吸入通道1（吸尘方式），转杆3转动后挡板4挡住滤网架6朝向吸入通道1的方向（吸水方式）。推杆是指能将挡板4以推拉方式移动的固定杆，拨杆是指能拨动固定杆的一端将固定杆另一端的挡板4移（转）动的驱动装置。
驱动装置可为手动，也可电动。手动就是将转杆3、推杆、拨杆驱动装置直接或转换（比如通过锥齿轮）延伸至机器的顶端或底部或周围（外壳），用手来回转动或推动或拨动；电动就是通过电机（可加减速机构）输出的主动轴驱动。比如可通过电机驱动丝杠，推杆以螺母的方式移动，或电机与推杆以齿轮、齿条的方式驱动；电机可直接驱动拨杆的转轴或电机通过驱动凸轮拨动拨杆，这些属于机械上常用的以电机转动转换呈往复或者直线运动的方式不一一列举。
挡板4的截面大致呈流线型，所谓截面呈流线型指挡板4朝向吸入通道方向呈“伞字形”（或“人字形”）或类似抛物线的曲线等风阻较小的流线型。所谓截面大致呈流线型，“大致”指流线型曲线并不一定是平滑的，可以在挡板4的两侧边缘设置沟形凹槽17，便于水滴沉积，不至于被气流吹走。
挡板4的整体可以是弧线状（便于旋转），如图16，通过转杆3的转动，导致挡板4整体可变换位置，如图中2，电机加减速机构30驱动与转杆3一端设置的齿啮合的齿轮31，驱动转杆3带动支撑挡板的驱动臂32转动，连带挡板4透过挡板设置框架40（也就是垃圾箱的上盖板）的缝隙41转动，挡板设置框架40上有套住转杆3的固定环47，固定环47与转杆3之间有便于转杆3转动的滑环（比如铜环）或轴承，挡板驱动电机加减速机构30也设置在挡板设置框架40上（图17即为罩壳内的挡板结构俯视图）。因为在挡板设置框架40上有缝隙41，需在整个挡板4与驱动装置上安装一个密封罩壳48，以防止叶轮9工作时气流从缝隙41中进入。可在挡板4的两头设置防脱离的端挡板46，在挡板设置的框架40上设置限位挡板42，限位挡板42挡住带驱动装置的的挡板4的两端的端挡板46，使得带驱动装置的的挡板4被限定变换的位置，为了保证挡板位置的稳定（不至于在重力作用下回转），转杆3可以以蜗杆（或有一定自锁功能的斜齿轮或减速比较大的直齿轮）的方式驱动。
挡板4整体也可是直线（便于升降），如图18，可以在挡板4的一侧边缘设置齿条，以齿轮齿条的方式驱动，驱动齿轮（及其延长杆）就相当于转杆3，齿条的两端不设置齿，用于限位，可在挡板设置框架上设置较厚的一对固定块49，这对固定块之间有便于挡板上下（倾斜）滑动的“人字形”缝隙41（相当于挡板4上下移动的轨道）。
挡板4整体也可如整流罩8的形式，如图19，整流罩8与一固定杆连接，固定杆的另一端弧形边缘设置齿，固定杆犹如转杆（或者拨杆），与驱动电机驱动的齿轮以转动（拨动）的方式驱动挡板4整体移动，在固定杆上设置一孔，一根设置在挡板设置框架40（也就是垃圾箱的上盖板）上的转轴穿过此孔作为转动轴及挡板4的（悬挂）固定装置；或者固定杆上的孔直接与驱动电机的减速输出轴固定在一起，固定杆就是转杆（如图20的驱动方式）；或者固定杆的另一端边缘设置齿条形齿（直线设置），以齿轮齿条的方式驱动，固定杆犹如推杆，与驱动电机驱动的齿轮以推拉的方式平移驱动挡板4整体移动，可在如图18的方式在挡板设置框架40上设置较厚的一对固定块，这对固定块之间有便于挡板4左右（对于图19是前后）滑动的缝隙（相当于挡板4移动的轨道），这种方式也需要安装一个密封罩壳。
如果吸入通道1有弯转，可在朝向吸口的直管处设置一通向污水容器的回水管27，在吸水时收集吸入通道1上的水滴，并汇集到污水容器中，如图18。
如果滤网架6与吸入通道1是上下布置的，如图20（a、b），带驱动装置的挡板1最好倾向一个角度，即挡板的最低处不对着吸入通道1，否则液体会滴向吸入通道1，如果倾斜了，会移向挡板的最低端滴下。在挡板4上设置的沟槽17最好从挡板一侧高处一直延伸到另一侧的边缘，并贯通设置在挡板4上下方向的侧边沿上设置的沟槽17，保证水滴汇集在沟槽17中从挡板4的最低处滴落而不被气流吹走。
除了附图中转杆的设置方式外，转杆3也可平行于滤网架6底部所在平面设置，驱动挡板4以“翻盖”的方式转动。
除了既在吸尘时收集垃圾，又在吸水时收集污水的垃圾箱设置方式外，也可在垃圾箱21的下方另设置一污水箱（或称污水容器）11，与垃圾箱之间有一带孔或网状隔板23，或者垃圾箱底板倾斜，在最低处有泄水孔通往下方的污水箱11。可在吸尘器侧面设置窗口，打开时取出抽屉式的污水箱11或倾倒垃圾箱21中的垃圾，也可在污水容器最低处设置一连接放水阀的水管。
上述三种设置方式中滤网架6是指吸尘器设置滤网5的框架，局部是加固的挡板、局部是起支撑作用的框架或栅格，甚至只有边框夹或嵌住滤网5。滤网5以围栏的方式在滤网架6的周围围绕叶轮进气通道2形成一个桶状（类似）结构，前述的桶底位置就是滤网架6正对叶轮进气通道2的位置。
干湿两用吸尘器的叶轮驱动电机需进行防水处理，比如电机散热有单独的通道、驱动轴与电机之间有密封环。
驱动装置驱动滤网架6或挡板4变换位置是否到位在自动方式下可通过设置一个（一端）或两个（装在两端）位置检测开关，位置检测开关可以是微动开关、光导对管或磁感应开关，或在遮挡物上设置颜色，通过颜色反射检测位置；或者不使用开关，驱动电机使用步进电机、伺服电机，或通过普通直流电机设置码盘的方式检测电机转过的角度。如果手动就可通过限位柱子（挡板）一类的东西约束转（移）动的距离
针对吸尘器的刷盘14在干、湿不同的环境下使用，所用的刷盘14或滚刷（指目前清洁机器人如roomba类的滚刷）可使用复合刷（每条刷毛、刷（刮）片或刷条混合设置），或单一刷，干吸时用刷毛，洗地时用刷（刮）片或刷条，对于单一刷，要求刷子便于更换，对于ZL201210446511.7描述的刷盘14来说，可用整体更换刷盘14的方式，这就要求刷盘14易于拆装，可在刷盘14驱动轴的下端设置螺纹，将刷盘整体通过螺母以旋转的方式拆装，螺母可采用便于安装时旋转的方向因与刷盘工作时旋转的方向一致；也可通过易于手拧的螺母（比如梅花螺母）将刷盘固定在驱动轴上，为防止刷盘在驱动轴上打滑，与驱动接触的地方可设置凹槽（驱动轴上有凸出的牙与之配合）；刷盘与驱动轴之间也可通过卡扣与卡簧固定，常用的轮子与驱动轴之间诸如此类的方式不一一列举，现在的洗地机盘刷与驱动轴之间的连接方式均可用。也可不换刷盘14，将条状刷毛、刷条、刷片采用嵌入方式设置在刷盘上的曲线状盘辐上，更换时拉出旧的，把新的重新嵌入即可。
叶轮9水平设置、垂直设置会对吸尘器其他部件的方向性用词发生变化，这种变化对部件的实际的使用影响不大（污水收集槽除外），方向性用词只是为了描述，不能看作是对本发明的限制。
由于遮挡物（滤网架6或挡板4）所用驱动装置的方式有很多种，本发明所列举了一些，不能因此而认为是对本发明专利保护范围的限制，本领域的普通技术人员在本发明的启示下，在不脱离本发明权利要求所保护的范围情况下，还可以对驱动装置及滤网架6、挡板4做出替换、简单组合等多种变形，这些均落入本发明的保护范围之内。

Claims (10)

  1. 一种干湿两用吸尘器，其特征是在设置叶轮进气通道(2)的叶轮底座(28)下设置一个朝向吸入通道(1)的带驱动装置的遮挡物。
  2. 根据权利要求1所述的干湿两用吸尘器，其特征是所述的遮挡物为用于设置滤网(5)的滤网架(6),滤网架(6)被驱动装置移入时，叶轮进气通道(2)被滤网架(6)遮住；滤网架(6)被驱动装置移出时，叶轮进气通道(2)敞开，所述的滤网架(6)驱动装置为转杆(3)、推杆(3-2)、拨杆(3-3)、拉绳(3-4)中的一个。
  3. 根据权利要求2所述的干湿两用吸尘器，其特征是所述的滤网架(6)下方有一朝向吸入通道(1)的锥形整流罩(8)。
  4. 根据权利要求2所述的干湿两用吸尘器，其特征是所述的叶轮底座(28)下设置转换框架(13)或转换凹槽（45）。
  5. 根据权利要求4所述的干湿两用吸尘器，其特征是所述的滤网架(6)上设置适合转换框架(13)的挡板柄(43)，挡板柄(43)在转换框架(13)内滑动。
  6. 根据权利要求1所述的干湿两用吸尘器，其特征是所述的遮挡物为滤网架(2)底部设置一个朝向吸入通道(1)的，截面呈流线型的带驱动装置的挡板(4)，所述的挡板(4)驱动装置为转杆(3)、推杆(3-2)、拨杆(3-3)、拉绳(3-4)中的一个。
  7. 根据权利要求6所述的干湿两用吸尘器，其特征是吸入通道(1)与叶轮进气通道(2)之间存在设置滤网(5)的桶状滤网架(6)，滤网架(6)桶底有窗口(7)，挡板(4)设置于桶状滤网架(6)的桶底位置。
  8. 根据权利要求7所述的干湿两用吸尘器，其特征是所述的滤网架(6)桶底设置转换框架(13)。
  9. 根据权利要求8所述的干湿两用吸尘器，其特征是所述的挡板(4)上设置适合转换框架(13)的挡板沟槽(41)，挡板沟槽(41)在挡板(4)变换位置前完全在转换框架(13)内，挡板(4)变换位置后挡板沟槽(41)局部还在转换框架(13)内。
  10. 根据权利要求1所述的干湿两用吸尘器，其特征是所述的遮挡物为滤网架(6)与吸入通道(1)之间设置的一个朝向吸入通道(1)的，截面大致呈流线型的带驱动装置的挡板（4），所述的挡板(4)驱动装置为转杆(3)、推杆、拨杆中的一个。
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