CN1045058C - Liquid recovery tank for a convertible upright carpet extractor - Google Patents

Liquid recovery tank for a convertible upright carpet extractor Download PDF

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Publication number
CN1045058C
CN1045058C CN95101162A CN95101162A CN1045058C CN 1045058 C CN1045058 C CN 1045058C CN 95101162 A CN95101162 A CN 95101162A CN 95101162 A CN95101162 A CN 95101162A CN 1045058 C CN1045058 C CN 1045058C
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CN
China
Prior art keywords
defluid
air
cleaning fluid
cleaning
pedestal
Prior art date
Application number
CN95101162A
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Chinese (zh)
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CN1120092A (en
Inventor
达尔文·S·克劳则
格雷格·A·麦卡利斯
杰弗里·A·摩根
弗雷德·S·辛德林格
戴维·G·米勒
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胡佛公司
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Publication date
Priority to US08/182,723 priority Critical patent/US5493752A/en
Priority to US08/182,760 priority patent/US5500977A/en
Priority to US18272494A priority
Priority to US182,760 priority
Priority to US182,724 priority
Priority to US182.723 priority
Application filed by 胡佛公司 filed Critical 胡佛公司
Publication of CN1120092A publication Critical patent/CN1120092A/en
Application granted granted Critical
Publication of CN1045058C publication Critical patent/CN1045058C/en

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Abstract

The present invention teaches a combined air/liquid separator and recovery tank for use on a hot water carpet extractor. The tank has a lid assembly composed of a hollow top plate 552 and a bottom plate 554 welded together to form a plenum. Dividing wall 562 separates this into an inlet chamber 558 and an exit chamber 560. In use air with entrained dirt and liquid enters chamber 558 through aperture 564 and descends via hole 566 into tank 570. After depositing its entrained matter, the air passes upwards through aperture 568 into the exit chamber 560, from where it is sucked through hole 570 through stand-pipe 572 to the fan.

Description

The convertible vertical carpet of cleaning way cleans defluid device

Disclosed hereinly the present invention relates to improved carpet and clean defluid device, relate more specifically to a kind of vertical hot water carpet and clean defluid device, it can be transformed into cleaning way more than the floor from the floor cleaning way, is used for stair and/or cushion interplanting hot water drawing-in type are cleaned.Air/liquid separator that the present invention also relates to make up and liquid recovery tank, it is particularly useful for hot water drawing-in type carpet and cleans.In addition, the invention still further relates to improved carpet hot water and clean defluid device, and especially construct to such an extent that be convenient to operate and the carpet that has with the similar physical demands of the vertical vacuum cleaner of typical home cleans defluid device.

For doing the vertical carpet cleaning defluid device that floor carpet cleans rationally and effectively, its size and configuration must not be suitable for the cleaning of stair and/or furniture cushion cover.Need use a kind of conversion equipment when therefore, vertical carpet cleaning defluid device being used for stair or furniture cushion cover cleaning way.

Therefore an object of the present invention is to provide a kind of vertical carpet and clean defluid device, it can be transformed into furniture cushion cover and/or stair cleaning way from the floor cleaning way easily.

The invention provides a kind of have floor surface is applied cleaning fluid and cleans defluid device from the vertical carpet of the device of the described cleaning fluid of described floor surface vacuum draw, its improvement is to comprise the conversion equipment that described defluid device is converted to furniture cushion cover cleaning way from the floor cleaning way, described conversion equipment comprises a liquid supply pump, be used for cleaning solution supplying to relevant furniture cushion cover cleaning attachment, described conversion equipment also comprises the device that only just starts described pump when described defluid device is operated in furniture cushion cover cleaning way.

Carpet cleans defluid device and sprays or otherwise deposit cleaning fluid in carpet surface to be cleaned usually, utilizes suction nozzle to remove the liquid that has dust then.Therefore need the liquid that an air/liquid separator separates to comprise at work and the dust of suspension.The dust that tortuous airflow path, unexpected fluid expansion or the two combination are used to from control air withdrawal liquid and carry secretly.The typical example of this system is disclosed among U.S. Pat 4314385 and the US3267511.

The present invention thereby a kind of combination cleaning fluid collection box and air-liquid separator that is used for the carpet defluid device also is provided, it comprises the case of a top opening, a dismountable lid is engaged on the top opening of described case hermetically, described lid comprises a base plate and a dish type top cover that is tightly connected with it, between them, form an air chamber, the wall device that extends between described base plate and the described top cover is divided into first Room and second Room with described air chamber, described first Room has therein the inlet device that receives the control air that comprises liquid and is used to make the exit passageway device that the formation fluid is communicated with between described first Room and the described collection box volume, and described second Room has and is used to make the admission passage device that described collection box volume is communicated with the described second Room fluid and is used for from the tapping equipment of the described second Room mask work air.

So far, many carpets clean defluid device and have had the system that is configured as " pull-alongs " case, for example by United States Patent (USP) U3,964,925, US4,314,385, US4,864,680, US5,184,370, US4,956,891 and US3,959,844 are instructed, or " rod-type " device, as by U.S. Pat 4,559,665 are instructed.

" pull-alongs " reach " rod-type " install both the operation on not only bother but also require great effort.This class device usually can only operation on oppositely, and the cleaning fluid applicator of a combination and liquid are deviate from device and simultaneously this device applied downward power in tow when retreating to need the operator thus.In the terminal of cleaning stroke backward, the operator will mention from carpet cleaning mouth usually, makes to clean mouth and place carpet surface frontward and repeat dilatory operation again.When forward stroke, can not carry out effective carpet and clean.This just need waste muscle power and lose time when cleaning the given area.

Therefore the invention provides a kind of carpet and clean defluid device, it comprises a pedestal, described pedestal comprises that vacuum forms device, be used for applying the cleaning fluid distributor of cleaning fluid on surface to be cleaned, be used for removing at least the vacuum slot device of a part of described cleaning fluid from clean surface, removably be bearing in the cleaning fluid collection box on the described frame, described collection box forms device formation fluid with described vacuum slot device and described vacuum and is communicated with, make working gas enter described vacuum slot thus, reach the liquid separating appts that is connected with described collection box to device for vacuum generation via described collection box, make the liquid that carries in the described control air from described control air, separate and collect in the described collection box thus, vertical handle assembly is connected rotationally with described pedestal, pedestal can be manually operated reaching on the backward directions forward, described handle assembly comprises cleaning solution supplying case and the cleaning solution supplying device that removably supports on it, makes cleaning fluid be transported to described cleaning fluid distributor from described liquid supply box thus.

Describe the present invention below in conjunction with accompanying drawing, wherein:

Fig. 1 represents to implement the perspective view that vertical carpet of the present invention cleans defluid device;

Fig. 2 represents to implement the exploded view of carpet defluid device critical piece of the present invention;

Fig. 3 represents the exploded view of this vertical defluid device handgrip part critical piece;

Fig. 4 represents the exploded view of liquid supply box critical piece;

Fig. 5 represents the exploded view of air/liquid separator and liquid recovery tank critical piece;

Fig. 6 represents the exploded view of vertical defluid device pedestal critical piece;

Fig. 7 represents the exploded view of the critical piece of vertical defluid device combination suction nozzle and cover;

Fig. 8 A and 8B represent that they have expressed main internal work parts along the side view cutaway drawing that vertically passes through the cross section of vertical defluid device;

Fig. 9 is the amplification cross-sectional view of the fluidsupply container shown in Fig. 8 B (marking the zone by alphabetical A);

Figure 10 is the amplification cross-sectional view of the breather valve shown in Fig. 8 A (marking the zone by letter b);

Figure 11 A discharges the amplification cross-sectional view that gas distributes mouth and detergent liquid distributor (pointing out the zone by letter C) shown in Fig. 8 B;

Figure 11 B is the partial cross sectional view along Figure 13 center line 11B-11B;

Figure 12 is the sectional view along Figure 11 A center line 12-12;

Figure 13 is the front view along Figure 11 A center line 13-13 that the expression exhaust distributes the mouth port of export;

Figure 14 is the cross-sectional view along Figure 11 A center line 14-14;

Figure 15 is the sectional view along the air turbine inlet protecting cover of Fig. 7 center line 15-15;

Figure 16 represents to be included in the exploded view of each parts in the air turbine solution feed pump assembly;

Figure 17 is the cross-sectional view along the air turbine solution feed pump assembly of Fig. 6 center line 17-17;

Figure 17 A is the amplification cross-sectional view of shaft seal (zone that alphabetical D is pointed) shown in Figure 17;

Figure 18 is the cross-sectional view along Figure 17 center line 18-18, the feed flow connector that expression is connected with liquid emission valve;

Figure 19 and 20 is cross-sectional views similar to Figure 18, represents successively from the process of liquid emission valve dismounting feed flow connector;

The amplification cross-sectional view of liquid supply box breech lock handle shown in Figure 21 presentation graphs 8A (zone that letter e is pointed);

Figure 22 is the front view along Figure 21 center line 22-22;

Figure 23 is the cross-sectional view of Fig. 2 center line 23-23;

The partial cross section figure similar when Figure 24 represents that vertical defluid device is transformed into the above cleaning way in floor to Fig. 8 B;

Figure 25 is the cross-sectional view along Fig. 8 B center line 25-25;

Fig. 1 and 2 expressions are implemented a kind of vertical carpet of the present invention and are cleaned the perspective view and the exploded view of defluid device 10, and express its critical piece and sub-component.

Defluid device of the present invention can be transformed into anchor clamps cushion cover cleaning way from the floor cleaning way, and vice versa.Main body among the present invention mainly refers to defluid device 10; Conversion equipment mainly comprises module 526,528, nozzle 550, valve valve 766, solution feed pump etc.; As the discharge nozzle 65 that has detergent liquid distributor 650 mainly comprising of distributor; Retracting device mainly comprises collection box 50 and annex thereof; Manipulation device mainly comprises handle assembly 30.These mechanisms will be in following detailed description.

Defluid device 10 comprises a foundation assemblies 60, and other parts of all that are provided with or sub-component are clearly shown among Fig. 2 thereon.The detail of foundation assemblies 60 is expression and detailed being painted among Fig. 6 and the 8B in addition.Handle assembly 30 is rotatably connected on the foundation assemblies 60.The detail of handle assembly 30 is expression and detailed being painted among Fig. 3,8A and the 8B in addition.

Cleaning solution supplying case 40 removably is bearing on the handle assembly 30.The detail of liquid supply box 40 is expression and detailed being painted among Fig. 4,8A and the 8B in addition.

Above housing assembly 60, removably be provided with an air/water combination trap and collection box 50.The detail of this combination collection box 50 is expression and detailed being painted among Fig. 5 and the 8B in addition.The structure of collection box 50 comprises the end 512 of concave roughly, and case 50 utilizes this end to place and be centered around on the part 612 of motor cover of foundation assemblies 60, as being clearly shown that among Fig. 8 B downwards.Preferably collection box 50 is placed to and is centered around on the electric motor fan part 610, sound insulation value is provided thus and helps to reduce the noise of this defluid device.

A shade assembly 70 that the floor suction nozzle with battery unit wherein is housed has been permanently connected in the front portion of foundation assemblies 60.The detail of shade assembly 70 is represented and detailed being painted among Fig. 7 and the 8B.

Referring now to Fig. 2,6 and 8B.Foundation assemblies 60 always comprises an integral die pedestal 616, and this pedestal has the wheel 608 that two side direction suitably being installed in the frame rear are staggeredly arranged.Bottom integrated topotype at pedestal 616 extrudes a circle pit 618 with the level, holds the blower fan part 620 of motor/fan assembly 610 therein.620 edges that are placed on pit 618 with the level of the fan hub of motor/fan assembly 610, and in the middle of them, be placed with O RunddichtringO 622, around the fan mouth, form an intake air chamber 619 thus.Similarly, the mounting flange 624 of motor/fan assembly 610 combines with the table top 615 of pedestal 616, has formed to be limited to fan hub 620 exhaust outlets 626 exhaust cllector ring 617 on every side.Though PM prototype model is not established seal between ring flange 624 and table top 615 or packing ring still can make its people move satisfactorily, placement seal or packing ring are favourable to the connection that guarantees anti-gas-leak between them.

Motor cover 612 surrounds the motor part 628 of motor/fan assembly 610, defines motor cooling air chamber 630 and motor cooling air emission air collecting chamber 632 thus.Motor cools off air via suitable inlet 634 inlet chambers 630, and is discharged in the discharging air collecting chamber 632 via the fan (not shown) of motor top, discharges by exhaust exit pipe 636L and 636R then.

Following vertical tube 672 whole topotypes are annotated on pedestal 616, and when case 510 as the clearest expression of Fig. 8 B ground were placed on motor cover 612 tops, what this pipe passed through that output vertical tube 572 formation of cylinder seal 638 and collection box 510 seal being connected.Following vertical tube 672 forms with fan intake air chamber 619 and is communicated with, and provides a vacuum source to collection box 510 thus, also will describe following this.

Extend forward and Unitarily molded with it what go out is top 646 and two side 647 (only can see left side wall among Fig. 6) of motor/fan control air discharge nozzle 65 from motor cover 612.When motor cover 612 was placed on motor/fan assembly 610 tops, top 646 and sidewall 647 formed exhaust nozzle 65 with diapire 644 (being integrally molded on the pedestal 616).

Referring now to Fig. 2,5 and 8B.Collection box assembly 50 always comprises the case 510 of a top opening, and its bottom 512 is constructed to such an extent that it is placed on and round the top of motor cover 612, as the most clearly expression among Fig. 8 B.Two vertical dividing plates 514 and 516 have been placed in the inside of case 510, they are used for when the cleaning way of floor and at the forward and reverse push-and-pull operating period confined liquid degree of rocking of this cleaning defluid device, and help liquid from control air, to separate, to also describing below this.

Except that rocking the function of dividing plate as anti-, dividing plate 514 and 516 also is used for stoping and is portalling 566 to directly forming " short circuit " working air current the hand-hole 568 of downstream chamber 560 from inlet 558.Dividing plate 514 and 516 plays to utilize and forces working air current by opening 518,520 and 522 it to be distributed on the part of the collection box volume of dividing plate 514 and 516.Thereby the flow velocity of air by case 510 time be reduced to minimum of a value and control air arrival maximum of taking time in case 510, obtains more completely liquid thus and separate out.

Dividing plate 514 and 516 is securely fixed on the base plate 512 and by base plate and extends upward, shown in Fig. 5 and 8B.Preferably, dividing plate 514 and 516 is freely erect, and is provided with space 518 and at dividing plate 514 and 516 respectively and be provided with space 520 and 522 between the case sidewall between them, can be by there so that be recovered the free liquid stream of liquid.Case 510 utilizes two rotating pawl 614L and 614R (Fig. 6) removably to be fixed on the motor cover 612, and these pawls have the caudal peduncle 613L and the 613R of arc, moves into slidably in the groove 525 in the left and right sidewall of case 510.Be slidably inserted into is the module 528 that is used for the module 526 of floor cleaning way or is used for furniture cushion cover cleaning way in the wall lateral areas 530 of case 510 antethecas.

The collection box cap assemblies 55 that is combined with this separator of sky gas/liquid therein comprises the lid 552 and the base plate 554 of a hollow, and they are welded together each other, have formed an air chamber therebetween.This air chamber annotated in lid 552 by whole mould and by extend in cover 552 and base plate 554 between next door 562 be separated into two different chamber that separate: an inlet 558 and a downstream chamber 560.And module 526 is cleaned on the floor or furniture cushion cover/stair cleaning module 528 forms fluids and is communicated with through the hand-hole 564 in the base plate 554 in inlet 558.Any appropriate sealing means 565 for example strand seal 565 can be used for module 526 or 528 and hand-hole 564 between.The strand seal reaches herein, and any other strand seal of indication is to be made by the expanded rubber of closed cell extruding.Inlet in base plate 554 portals and 566 provides fluid connection between case 510 and inlet 558.Similarly, downstream chamber 560 is included in the hand-hole 568 in the base plate 554, and it is provided at the connection of liquid between case 510 and the downstream chamber 560.Be preferably in the suitable float cage 534 float 532 is set, be used for when the liquid of the recovery of collection box reaches desired level, blocking working air current by hole 568.Downstream chamber 560 also comprises floss hole 570, and the vertical tube 572 that is used for itself and case 510 1 phantoms are annotated forms fluids and is communicated with.

With lid 552 Unitarily molded and in the base plate 554 hand-hole 566 circle fixed bits be the anxious baffle plates 556 and 557 of two eddy current.Baffle plate 556 is connected on sidewall 553 and the roof 555, and stretches out on the RADIAL of hand-hole 566 and perpendicular to described sidewall 553.Dividing plate 557 is connected roof 555 and covers on 552 the next door 562, and extend to the just in time edge in hole 566 from dividing plate 562, its counter septum is with an angle orientation, so that intersect and 553 one-tenth angles that are similar to 45 ° of relative described sidewall with sidewall 553 with the joining place of sidewall 553 at dividing plate 556 on the extension plane of dividing plate 557.

Cap assemblies 55 utilizes tang 574 is engaged in the cantilever-type dead bolt 576 and 510 dismountable connections of formation of case that covers in 552 leading edges 578 and be engaged in case 510 rears.Any appropriate sealing means such as strand seal 580 can be used to make air/water separator assembly 55 and return case 510 formation sealings.

Referring now to Fig. 2,7,8B and 23, the suction nozzle shade assembly 70 that surrounds pedestal 616 the place aheads comprises the front shroud 710 that is fixed on the pedestal 616.The forward part of cover 710 comprises the zone 712 of falling therein, matches with suction nozzle cover 714 and just form a suction nozzle with elongated inlet 716 with edge cover 710 whole width horizontal expansions in this zone.Periphery along the zone 712 that descends is provided with groove 718, admits strand seal 720 therein and covers 714 periphery 719, limits all air that enter compound suction nozzle thus and enters into mouth 716.Lid 714 also comprises the elongated tap 722 that whole mould outpours therein, is surrounded by groove 724 around it, is placed with the strand seal 726 of the module 526 that is tightly connected in this groove, makes being communicated with of formation liquid between suction nozzle and the module 526 thus.Three screws shown in lid 714 the most handy Fig. 7 are fixed on the cover 710.

When needs converted furniture cushion cover and/or stair cleaning way to, the taking-up floor module 526 that slides in the groove 530 from case 510 antethecas also replaced to cushion cover module 528.When furniture cushion cover module 528 installed on its position, all working air entered via flexible pipe inlet 529, thus bypass floor brush.Also to discuss following for clean the cleaning that converts to more than the floor from the floor.

Referring now to Fig. 2,3,6,8A and 8B integrally are cast with bearing of journals 640L and 640R at the rear of pedestal 616, are used for admitting rotationally therein the axle journal 310L and the 310R of handle assembly 30.Axle journal 310L and 310R utilize axle journal retainer 642L and 642R by on the position that remains on them rotationally respectively.

Handle assembly 30 comprises that substantially one is gone up handgrip part 312, lower body shell 314 and body shell panel 316.Lower body shell 314 integrally is cast with soda liquor container support 318 therein, and as totally illustrating in Fig. 3, it is used to place soda liquor container assembly 320.Container 320 receives and keeps a certain amount of and is assigned to feed pipe 326 and 328 from the cleaning fluid of liquid supply box 40 and with it, to also discussing below this.When panel assembly 316 installs on the lower body shell 314, the first half of container 320 from panel 316 that support 322 end faces are aimed on hole 321 stretch out, as from Fig. 2, being clear that, so that the end face of the end face of container 320 and frame 322 is always in a plane.Utilize stretchably will go up on the joint pin 311 that handgrip 312 slides into lower body shell 314 downwards and fix, handgrip 312 is fixedly connected on the body shell 314 and panel 316 of combination, just finish the assembling of handle assembly 312 with two screw (not shown).

Referring now to Fig. 3,8B and 9, soda liquor container 320 comprise a bottom pit 324, stretch from two feed pipes 326 and 328 are arranged here.Feed pipe 326 is directly supplied with auxiliary air turbine drives pump assembly 210 (Fig. 2) from container 334 via floss hole 330 with cleaning fluid, and feed pipe 328 then will be from the cleaning solution supplying that is discharged by valve of container 334 to detergent liquid distributor 65.

Cover plate 332 is connected with pit 324 hermetically, has formed the internal volume 334 of container thus, and liquid supply box 40 is injected cleaning fluid via inlet 336.Pin 338 axially extends upward through inlet 336, is used for when case 40 is placed on the support 322 also fix in position the supplying valve 440 of liquid supply box 40 being opened.For the structure of supplying valve 440 and be operated in hereinafter and describe again.

According to operator's needs, cleaning fluid is discharged in the pipe 328 by cleaning fluid relief valve 340.This relief valve comprises the valve seat 342 in the pit 324 that is positioned at the dish 344 that is integral with the top cover work.The pit 324 of dish 344 extends in the floss hole 346, makes valve seat 342 be oriented to it is opened.Opening 348 in dish 344 walls can make the free liquid stream of cleaning fluid enter into dish 344 from container 334.An elasticity valve member 350 comprises the elongated piston 352 of an extend through valve seat 342, has the bulbous termination 354 that extend in the floss hole 346 at its end, represents the most clearly in Fig. 9.Valve member 550 is preferably made by " SANTOPRENE " 201-55 elastomeric material of Monsanto.The other end of piston 352 comprises downward-sloping round flange 356, and its Zhou Duan frictionally and hermetically is engaged on the upper peripheral edge 358 of dish 344, stops cleaning fluid from leaking thus here.The effect of flange 356 is biased downward pistons 352, is pressing termination 354 that itself and valve seat 342 are formed thus and is being sealed and matched, to stop cleaning fluid from coiling 344 inflow floss holes 346 and managing 328.

Liquid relief valve 340 utilizes push rod 360 downward compression elasticities to discharge valve member 350 operations, makes the center of flange 356 offset downward and press termination 354 to lift off a seat 342 downwards thus, so that cleaning fluid is by entering floss hole 346 here and managing 328.When removing the power that is applied on the push rod 360 and since flange offset downward produced, be stored in energy in the flange 356 and make it be returned to as shown in Figure 9 normally closed position.

Referring now to Fig. 3,8A, 8B and 9.Comprise a lower beam 360 that is connected with upper boom 362 rotationally by the upwardly extending hinged push rod of handle assembly.Push rod 360 and 362 is positioned in the handle assembly by the block 364 that goes out sizing and location as required, Unitarily molded.The upper end 366 of push rod 362 is connected on the starting handle 368 rotatably about an axis.Two cantilever springs 369 are integrally molded with this starting handle 368, and each is positioned on the side of handle.Starting handle is installed on the handgrip at pivot pin 370 places rotatably about an axis; So cantilever spring 369 is pushing away starting handle 368 and is being in valve closure state as shown in Fig. 8 A by hinged push rod 360,362.Cantilever spring 369 is designed to support the combination weight of push rod 360 and 362, so that does not have power to be applied on the elasticity valve member 350.When the operator pushes handgrip 372 and starting handle 368, make cantilever spring 369 bendings, make starting handle 368 rotate counter-clockwisely and to have produced moving down of push rod 360 and 362 thus around pivot pin 370, therefore liquid relief valve 340 is opened, and caused cleaning agent because gravity flows to the pipe 328 from container 334.When unclamping starter, the energy that is stored in the system makes valve 340 be returned to closed condition.

Between push rod 360 and 362, between starting handle 368 and the push rod 362, and starting handle 368 and handle between pivot pin connect and always comprise and can be clear that the pivot pin that is clamped in the ratchet that forms by two fork-shaped leg lock by the pivot pin between push rod 362 among Fig. 8 A and the starting handle 368.

Referring now to Fig. 2,3,4,8B and 9.Cleaning solution supplying case 40 removably is bearing on the support 322 of handle assembly 30.As shown in Figure 4, liquid supply box 40 comprises the upper body 410 of a deep space heart and the base plate 412 of opposite planar shape substantially, is welding on the upper body 410 around the base plate.It is suitable recessed regional 413 and 415 that base plate 412 is provided with, and when liquid supply box 40 was placed on the support 322, these regional alignments were also admitted corresponding raised portion 313 and 315 on the support 322 of handle assembly 30 therein.

Being located at liquid relief valve mechanism 440 (Fig. 9) on case 40 base plates 412 comprises being provided with and passes the wherein valve seat 442 of also coaxial upwardly extending elongated plunger 444.The external diameter of plunger 444 is less than the internal diameter of valve seat 442, and is provided with at least three pawls 446, is used for making when plunger 444 axially moves into valve seat 442 plunger 444 to remain positioned in valve seat 442, and allows liquid from passing through when opening here when plunger 444.

The opening vavle shelf shell 454 that is positioned at valve seat 442 tops has vertically extending hole 456, is used for holding slidably therein the last stud portion of plunger 444.An elastic ring seal 448 is used for cooperating hermetically with valve seat 442 round plunger 444.Seal 448 is pressed on the valve seat 442 under the effect of compression spring 452, and stage clip 452 is arranged between frame shell 454 and the seal 448 round plunger 444 ground, preferably places a packing ring 450 therebetween.Liquid relief valve 440 is in the close position usually.But, when liquid supply box 40 is placed on the support 322 of handle assembly 30, the pin 338 of cleaning solution supplying container 320 aligns with plunger 444 and inserts in the middle of pawl 446, as being clearly shown that among Fig. 9, force upwards pressing spring 452 of plunger 444 thus, and open valve seat 442, cleaning fluid is flow into the container 320 from case 40.When support 322 unloads nowel 40, the energy that is stored in the stage clip 452 will make valve seat 442 close.

Referring now to Fig. 4,8A and 10.A liquid injection hole 416 is positioned at the top of case 40, can make by this hole and inject cleaning fluid in the case 40 easily.After cleaning fluid is discharged from case 40, for the environmental pressure in the guard box 40 keeps equaling atmospheric pressure, be provided with a check-valves at the top of lid 420, this valve comprises a plurality of suction holes 424 and an elasticity umbrella valve 426.When from case 40, discharging cleaning fluid when wherein environmental pressure is descended, atmospheric pressure then acts on the top side of umbrella valve 426, its periphery 428 is separated from from covering 420 surface 432, air flow is injected in the case 40, till wherein environmental pressure equals atmospheric pressure.In case when the pressure on umbrella valve both sides equates, will make by umbrella valve skew energy stored itself to be pressed in again on the surface 432, and when cleaning defluid device and work, stop cleaning fluid from hole 424, to spill thus.

Lid 420 and flat round sealing ring 418 make liquid injection hole 416 closed hermetically.Lid 420 comprises a reverse cup part 422, is used as easy measuring cup, and the concentrated cleaning solutions of appropriate amount is mixed with water in the case 40.Be inverted when measuring cup uses when covering 420, the pressure of liquid is pressing umbrella valve to make its periphery 428 further press to surface 432, and the container of a leakproof is provided thus.

Referring now to Fig. 2,, 4,8A, 21 and 22, liquid supply box 40 also comprises the handle and the locking door bolt 435 of a combination, is used as suitcase and/or makes case be locked at the simple device that cleans on the defluid device handle assembly 30.Case handle 425 comprises the handle stem part 438 of an aggregate level, and this bar partly has the arc-shaped cam arm 434 and 436 that fuses with its every end.These two cam arms are parallel on the whole, can be clear that from Figure 22, have about 180 ° elbow part 464 and 462 in each arm end." U " type elbow 464 and 462 is formed on the trunnion bearing that wherein holds and be rotatably connected liquid supply box upper body 410 upper pins 460 and 458; When carrying, support liquid supply box 40 thus with it with handle 435.

Each arm 434 and 436 comprises a lateral shift section 466 and 468, when handle 435 when bearing pin 458 and 460 inhours are rotated, as shown in figure 21, these two lateral shift sections move as cam-type with the surface 476 and 478 of fence 475 and 477 respectively.In addition, when handle 435 inhour is rotated, what act on surface 479 will produce crookedly with the Unitarily molded cantilever spring 470 (preferably respectively having on each arm 434 and 436) that goes out of handle, and energy stored is setovered handle 435 meeting natures clockwise therein thus.

When case 40 is placed on the support 322 of handle assembly 30 and deasil rotates (as seeing) during to rigging position from Figure 21, cam surface 482 (being located on each arm 434 and 436) touches with cover 375 side edge and moves as cam-type and forces handgrip 435 downward, till the groove on the handle stem 438 480 is stuck on the edge 374, make case 40 fix in position thus.When pulling down case 40, the operator catches handle stem 438, and the resistance of opposing cantilever spring 470 pulls down, shown in chain-dotted line among Figure 21, make thus groove 480 from cover 375 edge locked state discharge, and case 40 is taken off from the support 322 that cleans defluid device handle assembly 30.The cam of offset segment 466 and 468 on cam surface 478 and 476 is to make 180 ° elbow 462 and 464 to keep respectively and the contacting of lock shaft 458 and 460, and drag to fence 475 and 477 is provided, as long as handle bar 438 and cover 375 sealed case 40 fix in position that just make.The tang 472 of horizontal expansion and 474 cooperates with surface 484 and 485, and the backstop of rotating is provided, and stops handle 435 overtravels and handle to be deviate from from bearing pin 458 and 460 accidentally thus.

Referring now to Fig. 6,8B, 11A, 11B, 12,13 and 14,, blower fan discharge nozzle 65 is by being combined to form with the Unitarily molded gonys plate 644 that goes out of pedestal 616 and with the Unitarily molded top cover 646 of motor cover 612.The detergent liquid distributor 650 that is placed in the discharge nozzle 65 comprises that one is gone up a distribution plate 648 and a lower cover 652.For the purpose of the medial surface of representing distribution plate 648 better, position (the having changeed 180 degree) display plate 648 and 652 to reverse in Fig. 6.

Last distribution plate 648 comprises that Unitarily molded cleaning fluid therein goes into pipe 654, and this pipe passes hole 657 on the top board 646 and stretches and form liquid stream with distributor feed liquid hose 328 and be connected.In last distribution plate 648, leave inside groove and go into the total chamber 656 of feed flow of pipe 654 and feed liquid hose 328 formation liquid flowing connections as process.While is left the groove with total chamber 656 liquid flowing connections in the inner surface of last distribution plate 648, as a plurality of woven hoses 658 of dispersing out from total chamber 656, as the clearest expressing among Figure 12, these woven hoses terminate on the transverse edge 660 of distribution plate 648.Lower plate 652 always comprises one flat plate, when it and last distribution plate 648 welded together or just be assembled into complete total chamber 656 and it when being tightly connected in other mode disperse woven hose 658.

As the clearest expression among Figure 11 A, detergent liquid distributor 650 can be positioned in the discharge nozzle 65 in any suitable manner, so that transverse edge 660 is suspended at upper lip 662 and the centre of lower lip 663 and their upstream of discharge nozzle 65 equidistantly, make thus from fan 620 air discharged-by shown in the arrow 665-be divided into two air-flows: an overdraught, it is by shown in the arrow 664 and flow through on the top of liquid distributor 650; And a downstream, it is by shown in the arrow 666 and flow through the below of liquid distributor 650.When air-flow 664 and 666 approaching discharging lips 662 and 663, they are guided the convergence of meeting mutually each other by inclined-plane 668 and 670 respectively, form convergence immediately in the downstream of distributor transverse edge thus.The wash liquid stream of coming total chamber 656 from liquid supply box via flexible pipe 328 by gravity, again through woven hose 658 enter into by from discharge nozzle 65 outputs by assembling the swirling air stream that air-flow 664 and 666 forms.

Unitarily molded that go out and with last distribution plate 648 from the air-flow block 675 that its transverse edge 660 extends downstream, if necessary, can be used to the auxiliary location of distributor 650 in discharge nozzle 65.But, be preferably between the upper and lower lip 662,663 of air-flow block 675 and discharge nozzle 65 and be provided with the gap, so that can make air-flow from they intermediate flow mistakes, as shown in Figure 11 B.Air-flow block 675 preferably is positioned at the next door that each woven hose 658 portals, and as shown in figure 12, can be used as the block that cleaning fluid that prevention flows out is bonded at distributor transverse edge 660 and flows along this edge thus from woven hose 658.

In some PM prototype model, the swirling air stream of discharging from discharge nozzle 65 presents the trend that produces the noise of uttering long and high-pitched sounds.But find, utilize additional strake 682 and 684, can reduce or eliminate this bad uttering long and high-pitched sounds widely.Strake 682 and 684 preferably is molded as whole all branch of lower lip 663, and as shown in Figure 11 B, it extends up near the of upper lip 662 but is retained in the outside that discharge nozzle exports.

Referring now to Fig. 2,6,8B, 16 and 17,, air turbine drives that cleaning solution supplying pump assembly 210 comprises an air driven turbine part 211 (parts 214 to 220 among Figure 16) and the also centrifugal cleaning solution supplying pump part 250 (parts 251 to 256 among Figure 16) of shared one public rotating shaft 218 that is connected with it.Air turbine half assembly 211 of this turbine pump assembly 210 typically comprises half shell 214 and 216 of two pairings.Outlet shell 216 has a center line discharge-channel 221 with its integral body, and it is an ell floss hole 222 in the outlet of shell 216, and this floss hole and ell 680 (Fig. 2 and Fig. 6) form liquid flowing connection.In discharge-channel 221, the bearing 220 at axial centre place is used for receiving an axle 218 therein rotationally, and air turbine 217 is housed on this axle.After assembling, shell 214 and 216 surrounds turbine 217 in the middle of it, and cooperates the arc air intake chamber 224 that forms around the turbine external peripheral zone.Have the Unitarily molded a series of air-flows guiding stator vanes 226 that go out in inlet 224, the air that is used for coming imports to the turbo blade 228 of turbine 217.Unitarily molded air guide blade 227 is arranged on the outlet shell 216 like another category.Unitarily molded air guide blade in two shells 214 and 216 is such configuration, and promptly the blade of each shell extends to the centre of blade in the other side's shell in the axial direction, as shown in Figure 17.In addition, after shell 214 and 216 assemblings, they cooperate formation inlet 212 (Figure 16).The carriage 230 that integral die goes out on outlet shell 216 is used for the cleaning fluid discharge valve 730 of packing into therein.Describe drain valve 730 hereinafter again in detail.

After 211 assemblings of turbine part, axle 218 axially extends via hole 232, as clearly expression among Figure 17.Cleaning fluid centrifugal pump 250 comprises and utilizes securing member 252 ' to be fixed on pump case 251 on the air turbine end housing 214.Complete dish type, be pressed on the turbine end housing 214 by the flange 257 around pump case 251 from the elastic sealing element 256 of centering, between forms the water-tight type sealing thus.Have the socket cap part 260 of an axial dipole field in the axial centre of seal 256, it axially extends through the hole 232 of turbine end housing 214.From the beginning 260 inwardly radially extend two axial, as to separate diaphragm seals 262 and 264, and they cooperate hermetically with the outer peripheral face that dwindles part 219 of axle 218, make chamber 266 and air turbine 211 form the liquid sealing thus.Coaming plate 254 is pressed on the seal 256 by the edge 255 of pump case 251, and this plectane upwards has a hole 268 that is provided with flange at central shaft, and the impeller end 270 of axle 218 passes this hole and admits the impeller disk 252 of trough of belt thereon.Flanged hole 268 of plate 254 helps radially around axle 219 location-plates 254.

Seal 256 has from the centering performance, and this is particularly useful when turbine pump is assembled.In when assembling, assembling turbine part at first, promptly parts 214 to 220.Then seal 256 is placed on the shaft portion 219, and locatees in the axial direction, so that head 260 passes the hole 232 of end housing 214.The diameter in hole 232 provides an annular gap 234 greater than the external diameter of head 260 and in head 260 peripheries.In the time of on seal 256 being placed into axle 218, it is upwards automatic location, footpath in hole 232 just.Similarly, when when assembling radial flange 268 is placed on head 260 when inner, just makes shaft bearing plate 254 make the position by oneself, annular gap 253 provides plate 254 moving radially around axle 219 to this.

In when work, provide vacuum through the 680 pairs of air turbine floss holes 222 of bushing pipe that are connected with blower fan 620, make the clean environment air enter turbine inlet 212 thus and pass wherein, drive turbine 217 thus.When turbine 217 rotated, impeller of pump 252 also had been with by axle 218 and is being rotated, and makes cleaning fluid be inhaled into pump chamber 266 from container 320 through feed pipe 326 thus, and under pressure by pump floss hole 272 through transition conduit 738 with fluid discharge to solution drain valve 730.

Referring now to Figure 18 to 20,, cleaning fluid discharge valve 730 comprises a main body 732, and this main body comprises a side entrance 734 and an outlet that makes progress 736.Inlet 734 makes the cleaning fluid that is stressed be fed to main body 732 via the floss hole 272 formation liquid flowing connections of transition conduit 738 with pump 250 thus.Have the configuration of pipe joint with main body floss hole 740 732 one and that vertically extend, be used for admitting the fast quick-detach connector 810 of cleaning solution supplying flexible pipe thereon, also describing below this.Axial location is an axially movable valve member 742 in delivery pipe joint 740, and this valve member comprises the hollow cavity with open top end 744 and closing bottom 746 and has at least one side opening 748.Stage clip 750 acts on the annular lip 752 of valve member 742, makes valve member 742 upwards be biased to normally off, as shown in Figure 20, make hermetically thus between main body 732 and the flange 752 O type sealing ring 754 by compression.

Fast quick-detach connector 810 removably is connected with delivery pipe joint 740.Connector 810 comprises a main cylinder 812, and this main cylinder has at least two, best four uniformly-spaced axially extended pawls 814, and they are hinged on the periphery 816 of main cylinder 812.Being configured as of pawl 814 has cumulative thickness from periphery 816 to its terminal.What be positioned at closed main body 812 other ends is an axially extended mouth of pipe 818, connects the flexible pipe 820 of furniture cushion cover cleaning solution supplying mouth thereon.The mouth of pipe 818 extends axially main body 812 inside and is formed with a valve rod starter 822 ', and when main body 812 was admitted pipe joint 740 therein, this starter and valve rod 742 were axially aligned, as shown in the figure.Connector 810 main bodys 812 peripheries be a taper lock pipe 815, it have around pawl 814 to inward flange 822.

When the main body 812 of connector 810 when pressing down delivery pipe joint 740, as shown in Figure 19, valve member starter 822 ' penetrates pipe joint hole 760, force valve member 742 downward, and the hole 748 that makes spring 750 pressurizeds be reduced to valve member 742 enters the degree in the body chamber 731 of valve 730, provides thus by the valve member and the mouth of pipe 818 to make liquid enter feed liquid hose 820 and arrive the path of furniture cushion cover cleaning solution supplying mouth 550.O type ring 754 cooperates hermetically with the main body 812 of pipe joint 740 and connector 810, as shown in FIG..

Utilization moves down lock pipe 815 along pawl 814 and is fixed on the delivery pipe joint 740 with making connector 810 lockings, as shown in Figure 18, the inner surface of pawl 814 is contacted with the conical outer surface of pipe joint 740, and therefore stoped connector 810 to be thrown off from delivery pipe joint 740.

On the pawl 814 of connector main body 812, be provided with tooth 813, be used for receiving therein the flange 822 of lock pipe 815, as shown in Figure 18,20, lock pipe 815 and connector 810 are locked in the connection status.

When taking off connector 810, connector 815 is axially retreated into the off-position, pawl is unclamped from pipe joint 740, as shown in Figure 19, and axially take off connector 810 from pipe joint 740.Conspicuous, as shown in figure 20, when pushed connector 810 open under the effect of compression spring 750, valve member 742 will be got back to closure state.

Referring now to Fig. 2,, 7,8B, 15 and 24.Air turbine drives cleaning liquid pump 210 and is fixed on the pedestal 616 of cover 710 belows, forms airflow connection so that the floss hole 222 of this assembly air turbine side is aligned on the bushing pipe 680 and with this bushing pipe, and the latter is communicated with blower fan inlet 619.

The cover 710 of suction nozzle with battery unit assembly 70 is covered with turbine pump 210, make the cleaning fluid discharge pipe joint 740 of the cleaning fluid discharge valve of setting up 730 be arranged in the opening 765 of cover 710 thus, therefore, for the quick distachable connector 810 with furniture cushion cover cleaning solution supplying flexible pipe is connected on the drain valve 730, provide easy route of entry.Valve valve 766 usefulness hinges are connected on the opening 765, so that close opening 765 when not using.Be provided with rectangle elastic sealing element 768 in the bottom surface of valve valve 766, its configuration is suitable for being engaged in hermetically on the inlet 212 of air turbine 210 when closed position (floor cleaning way) when valve 766.

Thereby when cleaning defluid device 10 is operated in the floor cleaning way, utilize valve 766 to make the air intake of air turbine 212 form sealing to atmosphere, stoped the work of turbine pump assembly 210 thus.Yet, when being transformed into furniture cushion cover and/or stair cleaning way, valve valve 766 is opened, make 212 pairs of atmosphere openings of turbine inlet thus, allow air to enter in the blower fan inlet 619 via air turbine 211, therefore make and clean liquid pump 250 acquisition power, and when connector 810 is connected on the drain valve 730, will offer tame cushion cover nozzle 550 with the cleaning fluid of pressure by feed pipe 820.

Referring now to Fig. 5,, 8B and 24.This vertical cleaning defluid device 10 can be easily converts cleaning way more than as shown in Figure 24 the floor to from the floor cleaning way shown in Fig. 8 B.In order to realize this conversion, the operator takes off air/liquid separator cap assemblies 55 from collection box 510, and extract floor mode module 526 in the groove 530 from case 510 antethecas out, will insert with upper type module 528 on its floor that inhaling hose 531 is housed on 529 that enters the mouth again.

See that as clear from Figure 24 module 528 forms airflow connections with suction pipe 531, thus bypass floor brush 716.What be connected with suction hose 531 is that a typical hand operated furniture cushion cover/stair cleans mouth 550, it have can be on to be cleaned the typical injection apparatus 552 of jet cleaning liquid.And be provided with the amount of liquid that a typical switch actuating operation valve 554 is used to control injection.The cleaning fluid that is stressed supplies to valve 554 via the feed pipe 820 that utilizes quick distachable connector 810 to be connected to turbine drives solution feed pump drain valve 730.Solution feed pump 210 is typically at 4psia at least, preferably supply with cleaning fluid under the pressure of 6psia.

When work, electric motor fan inlet air chamber 619 is connected with collection box 50 via vertical tube 672 and 572, has just produced vacuum in case 50 thus.When cleaning defluid device 10 was operated in the floor cleaning way, control air comprised that the liquid of carrying secretly is inhaled into floor brush 70, and again through floor conversion module 526, air/liquid separate cover 55 also enters collection box 510.The malaria that gives off heat from electrical motor fan 610 directly is discharged into surface to be cleaned via discharge nozzle 65.Cleaning fluid is discharged into the liquid distributor 650 that be arranged in air discharge nozzle 65 from cleaning solution supplying case 40 via drain valve 350, feed pipe 328 according to operator's control, and cleaning fluid automatically is assigned in the whole discharged air and is sent to surface to be cleaned thus there.

When cleaning defluid device 10 is operated in furniture cushion cover and/or stair cleaning way, the furniture cushion cover cleans module 528 and has replaced the floor to clean module 526, walk around thus and (bypass) floor brush 70, and make the inlet 564 of air/water separate cover 55 and flexible pipe 531 form being communicated with of fluids.Control air comprises that the liquid of carrying secretly cleans mouth 550 via the furniture cushion cover and is drawn in the air/water separate cover 55.From electric motor fan 610 air discharged constantly from discharge nozzle 65 discharging, but supplying valve 350 close, stop wash liquid stream to arrive liquid distributor 650 thus.

When furniture cushion cover cleaning way, cleaning fluid drives solution feed pump 250 by air turbine and is provided to the furniture cushion cover and cleans on the mouth 550 (injection apparatus 552) under pressure, and the power of driving pump 250 is provided by air turbine 211.The suction inlet 222 of air turbine 211 is connected with the inlet 619 of electrical motor fan 610 via bushing pipe 680, and at this moment the inlet of air turbine communicates with atmosphere via valve protecting cover 766.Valve protecting cover 766 is normally closed (carpet cleaning ways), stops the inflow of surrounding air thus, therefore turbine 211 can not be worked.But when furniture cushion cover/stair cleaning way, valve valve 766 is opened, and makes the clean environment air can flow into turbine thus and thinks that pump 250 provides power, thereby start turbine 211 (and solution feed pump 250).So, when at furniture cushion cover/stair cleaning way, the cleaning fluid that is stressed is provided to cleans mouth 550 constantly.Preferably air turbine and solution feed pump 250 are designed at four to ten psia (pound/inches 2) between pressure under provide cleaning fluid with the flow velocity of 0.10 gallon of per minute.

Though the present invention is described in conjunction with a preferred embodiment, obviously can make many modification and remodeling for those skilled in the art.Therefore the present invention is not limited on the concrete here disclosed content, and should preferentially only be limited by following claims of setting up.

Claims (46)

1, a kind of vertical carpet cleans defluid device, has a vacuum source, a suction nozzle that is connected with described vacuum source, with the detergent liquid distributor that is used for cleaning fluid is applied to surface to be cleaned, described nozzle is used for it is characterized in that from the described cleaning fluid of described floor surface vacuum draw
This defluid device comprises the conversion equipment that described defluid device is transformed into furniture cushion cover cleaning way from the floor cleaning way, described conversion equipment comprises a solution feed pump, be used for cleaning solution supplying to relevant furniture cushion cover cleaning device, described conversion equipment also comprises the device that only just starts described pump when described defluid device is operated in furniture cushion cover cleaning way.
According to the defluid device of claim 1, it is characterized in that 2, described solution feed pump comprises the transfer pump that an air turbine drives.
According to the defluid device of claim 1, it is characterized in that 3, it also comprises:
A) pedestal, described pedestal comprise that vacuum forms device, are used for applying at floor surface to be cleaned the cleaning fluid distributor of cleaning fluid, are used for removing at least from described floor surface the vacuum slot device of the described cleaning fluid of part;
B) removably be bearing in cleaning fluid collection box on the described pedestal; Suction nozzle pipe guide between described floor brush device and described collection box, the fluid that is used between the two is communicated with; Described conversion equipment is used for converting described washer to described furniture cushion cover cleaning way from the floor cleaning way, makes control air be sent to described washer by the elongated flexible tube that extends to the furniture cleaning device from described washer conversion equipment thus;
C) liquid separating appts, it is connected with described collection box, makes the liquid and the dirt bits that are carried by described control air separate and be collected in the described collection box from described control air thus;
D) vertical handle assembly, it is connected rotatably about an axis with described pedestal, and pedestal can manually be operated at forward and oppositely, and described handle assembly comprises the cleaning solution supplying case that removably supports on it;
E) cleaning solution supplying device utilizes it to make cleaning fluid selectively be sent to described floor cleaning fluid distributor from described liquid supply box; And
F) pipe guide is used for forming fluid and is communicated with between described liquid supply box and described pump intake, make cleaning fluid be retracted to described furniture cushion cover cleaning device whereby from described liquid supply box.
According to the defluid device of claim 2, it is characterized in that 4, the described device that is used to start described pump installation comprises a valve, is used for selectively blocking the air flow that enters into described air turbine.
According to the defluid device of claim 4, it is characterized in that 5, described valve comprises the valve protecting cover of the air intake that selectively opens or closes described air turbine.
According to the defluid device of claim 1 or 2, it is characterized in that 6, described auxiliary pump is fixed on the described pedestal.
According to the defluid device of claim 1 or 3, it is characterized in that 7, described auxiliary pump selectively provides power by air turbine, make described turbine form fluid whereby and be communicated with that described air turbine thus ventilated with the suction inlet of described vacuum plant.
According to the defluid device of claim 7, it is characterized in that 8, the inlet of described air turbine directly is connected with atmosphere, makes thus by the air flow of described air turbine and has walked around described collection box.
9, defluid device according to Claim 8 is characterized in that, is included in the valve gear of described air turbine upstream, is used for selectively blocking the air flow by described air turbine.
According to the defluid device of claim 9, it is characterized in that 10, described valve gear comprises a valve.
11, according to claim 1,8,9 or 10 defluid device, it is characterized in that described liquid supply pump comprises discharge valve system, the wash liquid stream of arrival is selectively blocked.
According to the defluid device of claim 3, it is characterized in that 12, described suction nozzle pipe guide comprises insertable pipe guide, be used to be placed between described suction nozzle and the described liquid withdrawal system, be used for being transformed into furniture cushion cover cleaning way from the floor cleaning way.
According to the defluid device of claim 12, it is characterized in that 13, described insertable pipe guide comprises the detachable and removable part of described collection box.
14, a kind of vertical carpet cleans defluid device, comprising:
A main body, described main body comprises: the cleaning fluid distributor is used for cleaning fluid is applied to floor surface; A floor brush; Getter device, it is connected with described suction nozzle, and the control air that is used for comprising cleaning fluid and other dirt bits sucks described suction nozzle; It is characterized in that described defluid device also comprises:
A) liquid withdrawal system, it is located between described suction nozzle and the described getter device, is used for separating and storing described cleaning fluid and other dirt bits from described control air;
B) conversion equipment is used to make described defluid device to be transformed into cleaning way more than the floor from the floor cleaning way, and described conversion equipment comprises the hand-held suction nozzle and the cleaning fluid distributor of a combination;
C) air driven cleaning solution supplying pump, be used under pressure the described hand-held distributor of cleaning solution supplying, described air turbine is connected with described getter device, and surrounding air is sucked through described turbine, drives described cleaning solution supplying pump by this; And
D) be used for selectively opening and close the device of the air intake of described air turbine, described air turbine and described solution feed pump are started as required.
According to the defluid device of claim 14, it is characterized in that 15, the fluid discharge pressure of described solution feed pump is at least 4psia.
According to the defluid device of claim 14 or 15, it is characterized in that 16, described carpet cleans defluid device and comprises the bar handle device, it is connected with described main body rotatably about an axis, is used for moving on floor surface described main body.
According to the defluid device of claim 16, it is characterized in that 17, described handle assembly comprises a coupled cleaning solution supplying case apparatus, be used for described cleaning fluid distributor of cleaning solution supplying and described cleaning solution supplying pump.
According to the defluid device of claim 17, it is characterized in that 18, described cleaning solution supplying case is dismountable.
According to the defluid device of claim 14, it is characterized in that 19, described conversion equipment comprises insertable pipe guide, be used to be placed between described floor brush and the described liquid withdrawal system, air is only sucked by described hand-held suction nozzle.
According to the defluid device of claim 19, it is characterized in that 20, described conversion equipment comprises the liquid connector of a quick distachable, be used for being communicated with so that the cleaning fluid of pressurized is transported to described hand-held suction nozzle with described cleaning solution supplying pump.
21, the cleaning defluid device of a kind of carpet and furniture cushion cover, has a vacuum source, a suction nozzle that is connected with described vacuum source, with the detergent liquid distributor that is used for cleaning fluid is applied to surface to be cleaned, described nozzle is used for from the described cleaning fluid of described floor surface vacuum draw, it is characterized in that
Comprise that also one is used for the air turbine driving cleaning solution supplying pump of cleaning solution supplying to described distributor, described air turbine has air intake conduit and air discharge tube, described air discharge tube forms fluid with described vacuum source and is communicated with, air is inhaled into by described air turbine, start described turbine and described solution feed pump thus, described air intake conduit directly is connected with atmosphere, the clean environment air is penetrated and starts described air turbine.
22, defluid device according to claim 21, it is characterized in that, be used for from sucking the device of air separation and withdrawal liquid, the nozzle unit that is used for vacuum draw surface to be cleaned, the flexible pipe that described nozzle unit is connected with described liquid withdrawal system, a cleaning solution supplying case, an applicator that is used for cleaning fluid is applied to surface to be cleaned, a cleaning solution supplying pipe, it is connected with described cleaning solution supplying pump and described cleaning fluid applicator, one is used to hold the shell that described at least air turbine drives supply pump, an opening in the described shell has uses hinged valve, described opening is is selectively opened or closed, and described air turbine inlet and described register are so that air can enter by described opening; Sealing device between described valve and described inlet, described whereby valve can stop air flow to enter described turbine inlet when closing position and described turbine is run out of steam.
According to the defluid device of claim 22, it is characterized in that 23, described cleaning fluid supply pipe comprises a quick distachable connector, be used for described feed pipe is connected to described solution feed pump.
24, according to the defluid device of claim 23, it is characterized in that, described quick distachable connector comprises first and second attaching parts, described first parts and described air turbine inlet are arranged in juxtaposition, so that when described valve during at open position described first parts expose, to be connected with described second parts.
25, a kind of carpet cleans defluid device, comprises a main body, and described main body comprises the cleaning fluid distributor that is used for cleaning fluid is applied to floor surface; A suction nozzle; Getter device, it is connected with described suction nozzle and aspirates and into state suction nozzle in order to the control air that will comprise cleaning fluid and other dirt bits; It is characterized in that,
Liquid withdrawal system, it is arranged between described suction nozzle and the described getter device, is used for isolating the cleaning fluid and the other dirt bits of suction and storing them from described control air; Above-mentioned retracting device comprises the case of a top opening; A detachable cover that is sealed and matched with described case top opening, described lid comprises first and second cover piece, they fix and form therebetween an air chamber each other hermetically; Baffle plate device, it extends between described first and second cover piece and with described air chamber and is divided into first inlet and second downstream chamber, described first Room has wherein the inlet device that receives the control air that comprises liquid and formation is communicated with between described inlet and described collection box exit passageway device, described inlet device is connected with described suction nozzle, described second Room has the tapping equipment that forms the access road device that is communicated with and be used for siphoning away from described second Room control air between described collection box and described second Room, and described tapping equipment is connected with described getter device.
According to the defluid device of claim 25, it is characterized in that 26, the bottom of described collection box is configured as on the top that is placed on described defluid device motor and surrounds this motor.
According to the defluid device of claim 25 or 26, it is characterized in that 27, described collection box comprises a Unitarily molded vertical tube that goes out, it is arranged between described second Room tapping equipment and the described getter device, is used to provide the two fluid to be communicated with.
According to the defluid device of claim 25 or 26, it is characterized in that 28, described case comprises therein, dismountable pipe guide, it is arranged between described first chamber inlet device and the described suction nozzle, is used to provide the two fluid to be communicated with.
According to the defluid device of claim 25, it is characterized in that 29, described case comprises one or more vertically extending dividing plates that make progress at the bottom of the described case.
According to the defluid device of claim 29, it is characterized in that 30, described dividing plate is positioned between described first Room exit passageway device and the described second chamber inlet lane device.
31, defluid device according to claim 25 is characterized in that, the exit passageway of described first Room is included in a circular port on the described base plate.
32, defluid device according to claim 31, it is characterized in that, the described device that is used to stop bumpy flow to form comprises around first and second dividing plate of described circular hole periphery location, described first dividing plate is on the RADIAL of described circular hole and extend on the described circular hole, second partition extends out and inclination at a certain angle from the periphery of described circular hole, and making the direction of the air-flow that is reflected by described second partition whereby is towards the described first dividing plate direction.
33, a kind of carpet cleans defluid device, has a main body, described main body comprises the cleaning fluid distributor that is used for cleaning fluid is applied to floor surface, a suction nozzle, getter device, it is connected with described suction nozzle and aspirates into described suction nozzle in order to the control air that will comprise cleaning fluid and other dirt bits, it is characterized in that
Liquid withdrawal system, it is arranged between described suction nozzle and the described getter device, be used for isolating the cleaning fluid and the other dirt bits of suction and collecting them from described control air, described collection box comprises a detachable cover, described lid has roof and diapire, form a chamber between them, also include described separator, this separator is included in the described chamber.
34, a kind of carpet cleans defluid device, comprising:
A) pedestal, described pedestal comprises device for vacuum generation, is used for cleaning fluid is applied to the cleaning fluid distributor on surface to be cleaned, and the vacuum slot device, is used for removing at least from surface to be cleaned the described cleaning fluid of a part; It is characterized in that described defluid device also comprises:
B) removably be bearing in cleaning fluid collection box on the described support, described collection box is connected with described vacuum slot device and described device for vacuum generation, and the described collection box of warp-wise also arrives described device for vacuum generation;
C) liquid separating appts, it is connected with described collection box, isolates the liquid that carried by described control air whereby and it is collected in the described collection box from described control air;
D) vertical door handle device, it is rotatably connected on the described pedestal, and pedestal can be manually actuated reaching on the backward directions forward, and described handle assembly comprises the cleaning solution supplying case that removably supports on it;
E) described handle assembly has operating position and vertical memory location of an inclination, and when described door handle device was shifted to described memory location, described cleaning fluid collection box to small part entered repeatedly seated position;
F) cleaning solution supplying device makes cleaning fluid be sent to described cleaning fluid distributor from described liquid supply box whereby.
35, according to the defluid device of claim 34, it is characterized in that, comprise releasable rod bolt device, be used for described handle assembly is locked at vertical position.
According to the defluid device of claim 34 or 35, it is characterized in that 36, described cleaning solution supplying device comprises valve gear, be used for selectively blocking wash liquid stream from described liquid supply box to described distributor.
According to the defluid device of claim 36, it is characterized in that 37, described handle assembly comprises the touch device with finger manipulation, in order to the described valve gear of operated from a distance.
According to the defluid device of claim 34, it is characterized in that 38, described vacuum slot comprises the elongated inlet that extends on the whole width of pedestal leading edge.
39, according to the defluid device of claim 38, it is characterized in that, comprise the pedestal bogie wheel of located lateral on the every side in described pedestal rear section.
According to the defluid device of claim 39, it is characterized in that 40, the rotating shaft of described handgrip is positioned at the rear of described wheel shaft.
According to the defluid device of claim 40, it is characterized in that 41, the rotating shaft of described handgrip is positioned at the top of described wheel shaft.
42, according to the defluid device of claim 34, it is characterized in that, comprise the discharge air discharge channel, it directs into surface to be cleaned from described blower fan with described blower fan discharged air.
43, the carpet according to claim 42 cleans defluid device, it is characterized in that described discharge-channel comprises the air discharge nozzle with elongated discharging notch, makes the control air of discharging direct into surface to be cleaned whereby.
44, clean defluid device according to the carpet of claim 42, it is characterized in that, described cleaning fluid distributor comprises cleaning fluid is ejected into by the device in the air flow of described discharged air passage.
45, the carpet according to claim 41 cleans defluid device, it is characterized in that comprise the cover that is fixed on the described pedestal forward part, described cover comprises with it it being the described vacuum slot device of one.
46, a kind of carpet cleans defluid device, comprising:
A pedestal, described pedestal comprises device for vacuum generation, is used for cleaning fluid is applied to the cleaning fluid distributor on surface to be cleaned, and the vacuum slot device, is used for removing at least from surface to be cleaned the described cleaning fluid of a part; It is characterized in that described defluid device also comprises:
A) described pedestal has forward part and rear section, a pair of bogie wheel is rotatably connected on the rear section of described pedestal, described pedestal comprises and its Unitarily molded open-topped scalariform pit that goes out, it comprises the upper and lower part, the diameter on described top forms a limit platform greater than the diameter of described lower part between them;
B) electric motor fan assembly, it is positioned in the described stepped pit, the device that is connected with described electric motor fan assembly, be used for respectively the described upper and lower part of described stepped pit is isolated into a fan exhaust chamber and a fan inlet, the motor of described electric motor fan assembly extends in the top of described exhaust chamber;
C) a recessed motor cover is fixed on and also seals described motor on the described pedestal therein, described motor cover has the discharge nozzle top cover that extends forward, this top cover and Unitarily molded discharge nozzle base plate on described pedestal interconnect, and form one thus downwards towards the discharge nozzle on surface to be cleaned;
D) first pipe guide is used for being connected with described discharge nozzle and described exhaust chamber;
E) cover that covers and be fixed on the pedestal forward part, described cover have the zone that its top surface descends, and it is configured to top cover and matches, and form the suction nozzle inlet that has near surface to be cleaned thus;
F) collection box of dismountable top opening, it has dismountable lid, and the bottom of described collection box is configured to the top that is used to be placed on described motor cover;
G) second pipe guide is used for providing between suction nozzle and described collection box fluid to be communicated with;
H) the 3rd pipe guide is used for providing fluid to be communicated with between described collection box and described fan inlet;
I) be positioned at cleaning fluid distributor in the described discharge nozzle, make whereby cleaning fluid be assigned to through and the discharged air of from described discharge nozzle, discharging in;
J) manipulating handgrip, it is pivotally connected to the rear section of described pedestal;
K) cleaning solution supplying case, it is detachably connected on the described manipulating handgrip;
L) be used for cleaning fluid being transported to the device of described cleaning fluid distributor from described cleaning solution supplying case;
M) be used for selectively blocking the device of wash liquid stream from described liquid supply box to described distributor.
CN95101162A 1994-01-14 1995-01-14 Liquid recovery tank for a convertible upright carpet extractor CN1045058C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US18272494A true 1994-01-14 1994-01-14
US182,760 1994-01-14
US182,724 1994-01-14
US182.723 1994-01-14
US08/182,723 US5493752A (en) 1994-01-14 1994-01-14 Upright carpet and upholstery extractor
US08/182,760 US5500977A (en) 1994-01-14 1994-01-14 Upright carpet extractor

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CN1120092A CN1120092A (en) 1996-04-10
CN1045058C true CN1045058C (en) 1999-09-15

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CN95101162A CN1045058C (en) 1994-01-14 1995-01-14 Liquid recovery tank for a convertible upright carpet extractor

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CN100593386C (en) * 2003-08-22 2010-03-10 碧洁家庭护理有限公司 Bare floor cleaner
CN103735225A (en) * 2009-08-01 2014-04-23 雷克特本克斯尔荷兰有限公司 Surface treating implement
CN106955064A (en) * 2004-06-25 2017-07-18 泰克特罗尼克地板护理科技有限公司 Cleaning device
US10722631B2 (en) 2018-02-01 2020-07-28 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture

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US7152274B2 (en) * 2003-04-17 2006-12-26 The Hoover Company Handle and latch for a removable dirt separation system
KR100619755B1 (en) * 2004-11-03 2006-09-06 엘지전자 주식회사 Water collect box of upright type carpet water cleaner
DE102008004965B3 (en) * 2008-01-11 2009-05-14 Alfred Kärcher Gmbh & Co. Kg Portable hard surface suction device
US8370991B2 (en) * 2010-09-01 2013-02-12 Techtronic Floor Care Technology Limited Supply tank assembly for an extractor cleaning machine
DE112011102514T5 (en) * 2010-09-01 2013-10-10 Techtronic Floor Care Technology Ltd. Recovery tank arrangement with a spout for an extraction cleaning machine
EP2640248B1 (en) * 2010-11-15 2016-06-08 Alfred Kärcher GmbH & Co. KG Floor cleaning device comprising a pivotable dirt receptacle
EP2640250B1 (en) * 2010-11-15 2016-07-27 Alfred Kärcher GmbH & Co. KG Mobile floor cleaning device having noise insulation
DE102012200238A1 (en) * 2012-01-10 2013-07-11 Siemens Aktiengesellschaft Electrical switching device
GB2501886B (en) * 2012-05-08 2015-12-02 Techtronic Floor Care Tech Ltd Steam cleaners
AU2013219229B2 (en) * 2012-08-29 2017-07-13 Bissell Homecare, Inc. Extraction cleaner with heat transfer

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN100593386C (en) * 2003-08-22 2010-03-10 碧洁家庭护理有限公司 Bare floor cleaner
CN106955064A (en) * 2004-06-25 2017-07-18 泰克特罗尼克地板护理科技有限公司 Cleaning device
CN106955064B (en) * 2004-06-25 2020-06-09 泰克特罗尼克地板护理科技有限公司 Cleaning device
CN103735225A (en) * 2009-08-01 2014-04-23 雷克特本克斯尔荷兰有限公司 Surface treating implement
US10722631B2 (en) 2018-02-01 2020-07-28 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture

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