CN208832562U - Range hood - Google Patents

Abstract

The utility model discloses a kind of range hoods, the range hood includes spiral case (2), water storage box (1) and ultrasonic cleaning equipment (18), the liquid storage chamber (11) for accommodating cleaning solution is equipped in the water storage box (1), water storage box (1) fixing sleeve is loaded on the bottom of the spiral case (2), the bottom cavity of the liquid storage chamber (11) and volute chamber is interconnected, and the ultrasonic cleaning equipment (18) is for driving the cleaning solution to carry out ultrasonic cleaning.By being set with water storage box in spiral case bottom in the range hood of the utility model, to accept the cleaning solution of volute chamber, reduce the leakproof seal requirement to spiral case bottom, to reduce the processing and manufacturing cost of spiral case, by the way that ultrasonic cleaning equipment is further arranged on water storage box, cleaning solution is driven using ultrasonic wave, more conducively clean, and clean range is bigger, and cleaning effect is more prominent, can cover cleaning spiral case surfaces externally and internally.

Description

Range hood

Technical field

The utility model belongs to range hood field.

Background technique

Range hood when in use, by centrifugal fan quickly aspirates the oil smoke generated during culinary cuisine side by side Out outside room, to prevent oil smoke from spreading, environmental pollution is caused.Wherein, oil smoke all passes through centrifugal fan and is discharged by air hose, The impeller being arranged in the spiral case of centrifugal fan contacts more with oil smoke, causes impeller surface to gather a large amount of greasy dirts, needs periodically Maintenance, cleaning.

Existing impeller cleaning mostly uses stop cleaning mode, the external water tank equipped with cleaning solution by feed pipe supply water to Jet pipe, the heating devices heat cleaning solution in feed pipe are cleaned, cleaning jet pipe protrudes into spray cleaning impeller, cleaning solution in volute chamber It comes together in the bottom cavity of volute chamber, is then discharged.Wherein, it is polluteed in the casing of kitchen ventilator to avoid cleaning solution from leaking out Portion requires very high, the especially leakproof water-stop of spiral case bottom for the sealing performance of spiral case, increases the manufacture difficulty of spiral case And production cost.

In addition, the greasy dirt amount on impeller is big, in spray cleaning or rotation cleaning, cleaning effect is relatively poor, it is time-consuming compared with It is long, poor user experience.

Utility model content

In view of the above drawbacks of the prior art or insufficient, the utility model provides a kind of range hood, can reduce spiral case Manufacturing cost, the strong cleaning effect for promoting volute impeller.

To achieve the above object, the utility model provides a kind of range hood, and the range hood includes spiral case, water storage Box and ultrasonic cleaning equipment, the interior liquid storage chamber being equipped with for accommodating cleaning solution of the water storage box, the fixed suit of the water storage box In the bottom of the spiral case, the bottom cavity of the liquid storage chamber and volute chamber is interconnected, and the ultrasonic cleaning equipment is used for The cleaning solution is driven to carry out ultrasonic cleaning.

Preferably, the ultrasonic cleaning equipment is hermetically flush-mounted in the cassette bottom wall mounting hole of the water storage box.

Preferably, the bottom periphery wall interval of the inner bottom wall of the liquid storage chamber and the spiral case is arranged.

Preferably, the ultrasonic cleaning equipment is also hermetically flush-mounted in the spiral case wall peace of the bottom periphery wall of the spiral case It fills in hole.

Preferably, the range hood is equipped with the multiple institutes being arranged symmetrically using the bottom centre of the water storage box as basic point State ultrasonic cleaning equipment.

Preferably, the ultrasonic cleaning equipment includes low frequency ultrasound wave transducer and high-frequency ultrasonic transducer.

Preferably, the range hood includes blower cleaning system, and the blower cleaning system includes water tank, protrudes into spiral case The cleaning jet pipe and the water storage box of chamber connect and are provided with feed pump and heating dress on the feed pipe of the water tank and cleaning jet pipe It sets, the return pipe for connecting the water storage box and water tank is equipped with back water pump.

Preferably, the water storage box includes crowding around the box body front end-plate, box body end plate and arc to form the liquid storage chamber Bottom plate, the box body front end-plate and box body end plate are in the mirror-image arrangement of front and back parallel interval, described in the curved plate connection The top end opening of the respective base arcuate edge of box body front end-plate and box body end plate, the liquid storage chamber is formed as the suit of flared Mouthful.

Preferably, the water storage box is integrated injection molding part.

Preferably, the bottom shell of the spiral case is formed with the sepage through hole for being connected to the liquid storage chamber and/or sepage seam Gap.

In the range hood of the utility model, by being set with water storage box in spiral case bottom, it can reduce to spiral case bottom To reduce the design and manufacture cost of spiral case, and ultrasonic cleaning equipment is further arranged in sealing requirements on water storage box, By ultrasonic wave high-frequency drive cleaning solution, impeller is more forcefully cleaned, and spiral case inside and outside wall, clean range can be cleaned to Bigger, cleaning effect is more prominent.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the perspective view according to the water storage box of first preferred embodiment of the utility model；

Fig. 2 is according to the structural schematic diagram of the hydraulic press of first preferred embodiment of the utility model, wherein using Water storage box shown in FIG. 1；

Fig. 3 is the structure principle chart of the blower cleaning system in Fig. 2；

Fig. 4 is the independent enlarged drawing of the fan section in Fig. 2；

Fig. 5 is the structural schematic diagram of back water pump, return pipe in water storage box and storage chamber in Fig. 2 etc., return water therein Pump is booster pump；

Fig. 6 is the perspective view according to the water storage box of second preferred embodiment of the utility model；

Fig. 7 is the perspective view of the water storage box and seperated volute structure according to the third preferred embodiment of the utility model；

Fig. 8 illustrates the perspective view of water storage box and its elevating mechanism in Fig. 7；And

Fig. 9, Figure 10 are the structural schematic diagram of the hydraulic press of the second preferred embodiment according to the present utility model, wherein Range hood be mounted with water storage box and its elevating mechanism shown in Fig. 8, Fig. 9 illustrates the rear portion of range hood, and Figure 10 is shown The front of range hood.

Description of symbols:

1 water storage box, 2 spiral case

3 impeller, 4 impeller motor

5 cleaning 6 heating devices of jet pipe

7 feed pump, 8 water tank

9 back water pump, 10 lubricating cup

11 liquid storage chamber, 12 box body front end-plate

13 box body end plate, 14 curved plate

15 box body mounting portion, 16 bottom end opening

17 pinch valve, 18 ultrasonic cleaning equipment

19 bottom liquid mouth, 20 oil discharge outlet

21 air inlet ring, 22 spiral case ontology

23 spiral case water-accepting part, 24 mounting bracket

25 bracket slide, 26 fixed rack

27 push-rod electric machine, 28 impeller motor bracket

The minimum bottom blade of 29 controller 31

91, which upwardly extend section 92, is laterally extended section

100 casings

The center of circle O bottom centre O '

The height and position on edge on the blade of the minimum bottom blade of h1

The height and position of the top end face of h2 liquid storage chamber

The height and position of the lowermost end of h3 air inlet ring

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " be with On the basis of the range hood of normal mounting shown in the drawings either for it is vertical, vertically or on gravity direction for each portion Part mutual alignment relation describes word.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Fig. 1, Fig. 6, the utility model discloses a kind of water storage box 1 (or water receiver) structure first.The water storage Box is suitable for being arranged in the bottom of all kinds of containers such as spiral case, to contain the leakage of container, the sealing performance of hoisting container bottom.Its In, referring to Fig. 6, liquid storage chamber 11 is formed in the box body of water storage box 1, water storage box 1 is placed as opening upwards, and the top of liquid storage chamber 11 End opening is formed as the suit mouth of flared, so that water storage box 1 be facilitated to be set in container (such as spiral case 2 upwards by being set with mouth Deng) bottom outside, as shown in Figure 4.

When water storage box 1 is sleeved on outside the bottom of container, protective case can be used as to enhance the structural reliability of container, it can also Carrying support and the position-limiting action to container are played, but more crucial be can be by the closed liquid storage chamber 11 in bottom to contain liquid The fluid that the bottom of body, especially container leaks out, oozes out.In this way, requiring to substantially reduce to the sealing structure of container itself, make Process simplification is made, can effectively reduce manufacturing cost.

By taking spiral case as an example, spiral case 2 is usually metal shell, needs to turn around into the specific shape such as involute, processing is wanted Ask high, precision is high, and since volute chamber needs water storage to clean impeller 3, thus to the requirement of the fluid tightness of spiral case bottom cavity Also high, sealing technology is complicated, all greatly improves the processing and manufacturing cost of spiral case 2 in this way.But after being additionally arranged water storage box 1, snail The leak of shell chamber can flow directly into liquid storage chamber 11, therefore spiral case 2 no longer needs to excessively focus on its sealing performance, can be largely The manufacturing process and reduction processing cost of upper abbreviated volute.

In Fig. 1, preferred embodiment shown in fig. 6, the box body of water storage box 1 is for board-like splicing construction and including crowding around shape At the box body front end-plate 12, box body end plate 13 and curved plate 14 of liquid storage chamber 11, box body front end-plate 12 and box body end plate 13 In the mirror-image arrangement of front and back parallel interval, box body front end-plate 12 and box body end plate 13 all have the base arcuate edge of diagram, arc The front and back side of bottom plate 14 is separately connected the respective base arcuate edge of box body front end-plate 12 and box body end plate 13.

It should be noted that the water storage box 1 of diagram is to be applied in the specific use occasion of 2 bottom of spiral case, thus water storage The shape of box 1 and the shape adaptation of spiral case bottom.It, can be with it will be appreciated that when water storage box 1 is applied to other different occasions With any other matched shape.

Specifically, in Fig. 6, the center of circle O ' of the base arcuate edge of curved plate 14 should be located above, i.e. the top of liquid storage chamber 11 The top of end opening, enables the shape adaptation of the base arcuate edge of water storage box 1 and the profile side of spiral case bottom.In such as Fig. 4 institute In the installation diagram shown, if curved plate 14 is bonded the wall surface of spiral case bottom, the center of circle O ' of curved plate 14 and spiral case center Approximate location overlapping.

In the embodiment illustrated in fig. 4, it is adaptedly set with to be formed, the arc radius of curved plate 14 should be not less than spiral case bottom The profile radius of wall, while in view of the height of water level of water storage box 1 is unsuitable too small, it is otherwise difficult to be dipped into impeller 3, water storage box 1 Height of water level also should not be too large, be otherwise easy to produce water spillage, also avoid blower use when due to spiral case end face air inlet It is blocked and area reduction by water storage box 1, and then influences intake, therefore the arc chord angle of the base arcuate edge of curved plate 14 is preferably Not less than 60 ° and it is not more than 120 °.It is highly preferred that the foreign steamer profile of the bottom of the cavity bottom edge molded line of liquid storage chamber 11 and spiral case 2 Line is roughly the same, then water storage box 1 can be adaptedly set in outside the bottom of spiral case 2, when suit, can paste between water storage box 1 and spiral case 2 It closes or is spaced apart.In Fig. 4, the top end opening of liquid storage chamber 11 is formed as rectangle plane opening, so that liquid level is controllable, top is opened The week edge of mouth can be formed with the box body mounting portion 15 of lateral flanging, in order to which water storage box 1 to be fixedly installed on 2 outer wall of spiral case Or it is fixedly installed to the casing 100 of range hood.

In the process of spiral case 2, if Fig. 1, water storage box shown in fig. 61 can by dry plate (i.e. box body front end-plate 12, Box body end plate 13 and curved plate 14) simple concatenation is composed.But consider leakproofness, curved plate 14 and box body front end Plate 12 and box body end plate 13 should all form seamless connection.If water storage box 1 is metal case, base arcuate edge needs are sealed Soldering.But preferably, the box body of water storage box 1 can be integrated injection molding part, in this way, the cavity peripheral wall of liquid storage chamber 11 can Be formed as circumferential surface sealed wall, leak will not be generated.On this basis, the bottom shell body of spiral case 2 then can be and can seep water outward Non-pressurized body, i.e. the bottom shell of spiral case 2 can be formed with sepage through hole and/or sepage gap etc. of connection liquid storage chamber 11 Deng.

Further, in water storage box 1 shown in Fig. 6, the bottom wall of liquid storage chamber 11 is additionally provided with the bottom end of belt switch control valve Opening 16.Bottom end opening 16 is provided with the liquid discharge control being conducive to liquid storage chamber 11.

In a kind of scheme of simple possible, bottom end opening 16 can be connected with the hose extended downwardly, such as Fig. 2, Fig. 3 institute Show.At this point, switching control pilot can be the pinch valve 17 being clamped on hose.When liquid storage chamber 11 needs to accumulate liquid, can lead to It crosses pinch valve 17 and the liquid level of liquid storage chamber 11 is maintained in certain altitude liquid level the clamping action of hose.

In addition, the liquid in liquid storage chamber 11 can be different types of liquid, such as oil and water etc., need to classify row Out.At this point, switching control pilot can be designed as multiple-way valve, such as triple valve form shown in Fig. 3.After triple valve installation, into Mouth end is the bottom end opening 16 of liquid storage chamber 11, and the outlet end of triple valve includes for importing cleaning solution or discharge storage to liquid storage chamber 11 The oil discharge outlet 20 of the bottom liquid mouth 19 of the cleaning solution of sap cavity 11 and the oil liquid for being discharged in liquid storage chamber 11.It is normal in range hood When work, normally opened oil discharge outlet 20 greasy dirt of the discharge of lubricating cup 10 downwards can be passed through.Under the off working state of range hood, it can close Oil discharge outlet 20 is closed, such as the pinch valve 17 on the hose for being connected to oil discharge outlet 20 is clamped.Bottom liquid mouth 19 can be used for selectivity Discharge cleaning solution is passed through cleaning solution.

Wherein, the oil drain passage that is formed between bottom end opening 16 and oil discharge outlet 20 should straight down, in favor of downwards 10 oil extraction of lubricating cup is dirty.

It further, is the switching for being easy to implement automatic control, electromagnetism of the triple valve preferably with electromagnet Switching control pilot.

For above-mentioned water storage box 1 when being applied to range hood, water storage box 1 has passed through top suit muzzle loaded on spiral case 2 Bottom, as shown in Figures 2 to 4.At this point, the bottom wall of liquid storage chamber 11 is equipped with the bottom end opening 16 of belt switch control valve, bottom end opening 16 can be connected with the hose extended downwardly towards lubricating cup 10, and clamping has the pinch valve 17 as switching control pilot on hose, with control Greasy dirt in system discharge blower.

When the bottom shell body of spiral case 2 is non-pressurized body, cleaning solution of bottom volute chamber etc. can flow into water storage box 1 In liquid storage chamber 11, bottom end opening 16 at this time can be equipped with the triple valve as switching control pilot, which includes bottom liquid mouth 19 and oil discharge outlet 20, oil discharge outlet 20 be connected to the lubricating cup 10 of range hood, bottom liquid mouth 19 is connected with return pipe or feed pipe.

In conventional blower cleaning system, blower cleaning system includes water tank 8,5 and of cleaning jet pipe for protruding into volute chamber Water storage box 1, connection water tank 8 and cleans on the feed pipe of jet pipe 5 and is provided with feed pump 7 and heating device 6, and feed pump 7 is by water tank 8 Cleaning solution be pumped to heating device 6, the cleaning to spray cleaning impeller 3, after spray is sprayed from cleaning jet pipe 5 after heating Liquid comes together in the cavity of spiral case bottom, i.e., can be by being equipped with the return pipe of back water pump 9 for liquid storage in the liquid storage chamber 11 of water storage box 1 The cleaning solution of chamber 11 is led back in water tank 8 to reuse.

Certainly, above to carry out expansion discussion only for the certain applications being applied in range hood for embodiment.? In different applications, the water storage box 1 equipped with bottom end opening 16 can have different applications, and bottom end opening 16 is settable corresponding Different type valve member and runner.

In addition, water storage box structure can be further improved when water storage box 1 shown in FIG. 1 is applied to range hood to obtain more Excellent scavenging effect.As shown in fig. 6, the water storage box 1 compared to Fig. 1, is additionally arranged ultrasonic cleaning equipment 18, is shaken by ultrasonic wave It is dynamic, drive cleaning solution preferably to clean impeller 3, spiral case wall etc., to obtain higher cleaning efficiency and cleaning effect.

The liquid storage chamber 11 for accommodating cleaning solution is equipped in water storage box 1,1 fixing sleeve of water storage box is loaded on the bottom of spiral case 2, storage The bottom cavity of sap cavity 11 and volute chamber is interconnected, and ultrasonic cleaning equipment 18 is for driving cleaning solution to spiral case 2, impeller 3 It is cleaned Deng ultrasonic wave driving is carried out.

The composition of ultrasonic cleaning equipment 18 generally comprises control chip, supersonic generator and ultrasonic transducer etc., Ultrasonic transducer is configured as generating the vibration of high frequency when receiving the high frequency electrical signal of supersonic generator output, thus Cleaning solution is driven to generate sustained vibration, fluctuation.Specifically, it can be equipped with piezoelectric element in ultrasonic transducer and be connected to piezoelectricity member The oscillating plate of part.Wherein, piezoelectric element can generate inverse piezoelectric effect, i.e., apply voltage in the polarization direction of the piezoelectric element When, which can generate certain deformation.In other words, piezoelectric element can correspondingly make height when receiving high frequency electrical signal The vibration of frequency.

Further, in order to ensure piezoelectric element generate high-frequency vibration can cause in water biggish impact water flow with Reach decontamination purpose, settable one is connected to piezoelectric element and protrudes into the oscillating plate (not shown) in liquid storage chamber 11 etc..The vibration The high-frequency vibration of movable plate can conduct Yu Shuizhong in large area, to form biggish impact water flow, improve detersive efficiency.

When executing cleaning operation, touch can be passed through by control chip output operation electric signal, the operation electric signal Or the modes such as pressing trigger.The operation electric signal can be directly output to supersonic generator, and supersonic generator is converted For high frequency electrical signal and export to ultrasonic transducer, thereby executing cleaning.

It is highly preferred that low frequency of the ultrasonic frequency less than 20KHz that ultrasonic cleaning equipment 18 may include such as generation surpasses Acoustic wave transducer and the high-frequency ultrasonic transducer for being greater than 150KHz, alternately or the cleaning solution of compartment of terrain frequency conversion drive can obtain Obtain better cleaning effect.

In specific installation, ultrasonic cleaning equipment 18 is sealably flush-mounted in the cassette bottom wall mounting hole of water storage box 1, such as Shown in Fig. 6, in order to which the cabling of ultrasonic cleaning equipment 18 is arranged.At this point, the cleaning solution in liquid storage chamber 11 can rinse leaf simultaneously The blade and spiral case inside and outside wall of wheel 3.Wherein, in order to clean volute outer wall, the inner bottom wall of liquid storage chamber 11 and the bottom of spiral case 2 Preferably interval setting between periphery wall.Certainly, ultrasonic cleaning equipment 18 is also sealably flush-mounted in the bottom periphery of spiral case 2 In the spiral case wall mounting hole being arranged on wall.

In addition, ultrasonic cleaning equipment 18 is not limited to individually be arranged, can also arranged for interval it is multiple, and preferably symmetrical cloth It sets.It is filled for example, can be equipped on range hood using multiple ultrasonic cleanings that the bottom centre O of water storage box 1 is arranged symmetrically as basic point 18 are set, with the more controllable and better cleaning effect of acquisition.

Wherein, in cleaning, cleaning solution cleaning can be driven by ultrasonic activation, can also by other means, such as be led to Negative pressure device driving cleaning solution flowing cleaning is crossed, can also be rotated by driving impeller 3, to drive cleaning solution flowing cleaning, respectively Kind cleaning driving method is numerous to list herein.

It has been described in conjunction with the accompanying specific structure, principle and the application of water storage box 1 above.Hereafter in the base of above-mentioned water storage box 1 On plinth, the spiral case component or blower using water storage box 1 is further described.

As shown in Figures 2 to 4, centrifugal fan includes spiral case 2, the impeller being built in volute chamber 3 and water storage box 1, The liquid storage chamber 11 for accommodating cleaning solution is equipped in water storage box 1.Wherein, the cleaning solution in liquid storage chamber 11 can at least clean impeller 3, i.e. the bottom blade of impeller 3 can be at least partially immersed in cleaning solution and be cleaned.

As previously mentioned, cleaning solution can be accumulated in the liquid storage chamber 11 of water storage box 1, by adding water storage box 1 thus to snail Shell bottom reduces manufacturing process, difficulty and the cost of spiral case 2 without requiring higher sealing performance.Therefore, spiral case 2 bottom shell body is preferably the lower non-pressurized body of cost.For example, the outer housing of spiral case 2 can be the gold of muti-piece splicing Belong to shell, even if there are splicing gaps to meet the requirements.

Specific to the installation of water storage box 1, in one embodiment, water storage box 1 may be provided at the bottom cavity of volute chamber It is interior, i.e., on the internal perisporium of spiral case bottom cavity.Built in this in mounting means, water storage box 1, spiral case 2, between impeller 3 Assembling difficulty is larger, and cooperation machining accuracy between water storage box 1 and spiral case 2 etc. is more demanding.

It in the another embodiment that water storage box 1 is installed, is installed for external, i.e., the outer of spiral case 2 is arranged in water storage box 1 Portion, the bottom cavity and liquid storage chamber 11 of volute chamber are interconnected, cleaning solution are assembled and is filled in liquid storage chamber 11, so as to Enough contact and clean the blade of impeller 3.

When water storage box 1 is external, water storage box 1 can be fixed installation, be also possible to be arranged vertically movablely.Work as external When water storage box 1 is fixedly mounted but is not close to spiral case bottom, if the top surface of water storage box 1 is lower than the bottom blade of impeller 3 (referring to figure 4 minimum bottom blade 31), impeller 3 cannot be still cleaned at this time.Therefore in a kind of possible embodiment, the bottom of spiral case 2 Shell can offer impeller through hole (not shown), and the cover board that can be opened and closed is arranged in impeller through hole, when blower works normally, Cover plate lid hinge wheel through hole, forms complete spiral case.And under blower cleaning state, impeller 3 can be made to move down, pass through leaf Wheel through hole, which is displaced downwardly to, to immerse in liquid storage chamber 11.

Likewise, external water storage box 1 may be alternatively provided as to move up under blower cleaning state, to be bonded suit Outside spiral case bottom, and when blower works normally, one section of height distance is vertically spaced apart between water storage box 1 and spiral case 2.

Attached drawing 2 illustrates the preferred suit mode of external water storage box 1 to Fig. 4, i.e. spiral case bottom is contained in water storage substantially In the liquid storage chamber 11 of box 1, it can be bonded between spiral case bottom wall and the internal perisporium of liquid storage chamber 11, it can also there are gap each other, space, snails The bottom shell of shell 2 can be formed with sepage through hole and/or the sepage gap of connection liquid storage chamber 11, thus interconnected spiral case Bottom cavity can be flushed with the respective liquid level of liquid storage chamber 11, can be realized in this way by water storage box 1 close to the package of spiral case bottom Envelope is also convenient for control water level, realizes the cleaning to impeller 3.

Wherein, the sepage through hole of the bottom shell of spiral case 2 or sepage gap can be the installation on metal spiral case 2 Screw hole, splicing gap, weld seam etc..

In the present embodiment, pass through the rotating forward of impeller 3, reversion, high low speed alternate rotation or intermittent rotation etc., agitation Cleaning solution reaches effective cleaning to impeller blade.

Wherein, referring to fig. 4, impeller 3 includes the minimum bottom blade 31 in bottom extreme lower position, i.e. turns in Fig. 4 The impeller blade of six-o ' clock position, the liquid level that the blade of the position is cleaned liquid at first completely flood.Therefore, in order to complete Each impeller blade of impeller 3 is cleaned to, the liquid level extreme higher position of cleaning solution is the height and position of the top end face of liquid storage chamber 11, should The height and position of the top end face of liquid storage chamber 11 should be not less than the height and position on edge on the blade of the minimum bottom blade 31, i.e., extremely It is few completely to flood a bottom blade, to can completely clean to each blade when impeller 3 rotates.Referring to fig. 4, i.e. liquid storage chamber The height and position h2 of top end face should be higher than that the height and position h1 on edge on the blade of minimum bottom blade.

When being rotated due to impeller 3, impeller blade will stir cleaning solution, splash spray, or even cleaning solution part is taken away snail Shell chamber is splashed out from the spiral case air inlet of the front end face of spiral case 2.To avoid generating such case, in the present embodiment, storage is limited Difference in height on the blade of the top end face of sap cavity 11 and minimum bottom blade 31 between is not more than the leaf of minimum bottom blade 31 The half of piece height.Referring to fig. 4, i.e. the height of the height and position h2 of the top end face of liquid storage chamber and edge on the blade of minimum bottom blade The difference in height h2-h1 for spending position h1 is not more than the half of blade height.

It is further preferred that the front end face of spiral case 2 is equipped with spiral case air inlet, the week of spiral case air inlet is along equipped with air inlet ring 21, the height and position h2 of the top end face of liquid storage chamber 11 are not higher than the height and position h3 of the lowermost end of air inlet ring 21.Referring to fig. 4, i.e., H2 is not higher than h3, and 1 block of water storage box that liquid when preventing wheel rotation from cleaning splashes out and installation site is excessively high is firmly excessive Spiral case air-admitting surface, blower work normally when influence intake.

In the present embodiment, water storage box 1 can be fixedly connected on the outer wall of spiral case 2 by its box body mounting portion 15, or Person is fixedly installed in the casing 100 of range hood.After water storage box 1 is fixed, as shown in Fig. 2 to Fig. 4, it is preferable that liquid storage The cavity molded line of chamber 11 and the outer profile molded line of the bottom of spiral case 2 are identical, and such water storage box 1 can adaptedly be set in spiral case 2 Outside bottom.Certainly, liquid storage chamber 11 is also possible to rectangular cavity, and water storage box 1 is rectangular box etc..

Wherein, water storage box 1 preferably uses coaming plate structure shown in fig. 6, that is, includes before crowding around and forming the box body of liquid storage chamber 11 End plate 12, box body end plate 13 and curved plate 14, box body front end-plate 12 and box body end plate 13 are between the axial direction of impeller 3 Every arrangement, curved plate 14 connects the respective base arcuate edge of box body front end-plate 12 and box body end plate 13.It is highly preferred that water storage box 1 box body being integrally formed, especially integrated injection molding, at low cost, light weight and good seal performance.On this basis, right The sealing requirements of spiral case 2 reduce, and are simple metal plate splice.

As previously mentioned, the bottom wall of liquid storage chamber 11 can be equipped with bottom end opening 16, bottom end opening 16 can be equipped with switching control pilot with Control drain etc..In Fig. 2, the bottom of water storage box 1 is connected with the hose extended downwardly, and hose is equipped with pinch valve 17.In addition, It is additionally provided with ultrasonic cleaning equipment 18 in the liquid storage chamber 11 of the water storage box 1 of Fig. 6, in favor of promoting cleaning.

Fig. 7 illustrates the spiral case 2 and water storage box 1 of another structure type.Wherein, spiral case 2 be split type structure and including The spiral case ontology 22 on top and the spiral case water-accepting part 23 as water storage box 1 of lower part, spiral case ontology 22 and spiral case water-accepting part 23 are spelled It is connected into complete spiral case.

When spiral case 2 is split type structure, can sealing requirements to spiral case ontology 22 it is low, the leakproofness of spiral case water-accepting part 23 It is required that high.Spiral case ontology 22 is preferably sheet metal forming part, and the improved plastics structural shape that spiral case water-accepting part 23 is preferably integrated.

In one embodiment, spiral case ontology 22 can be fixedly connected with spiral case water-accepting part 23, constitute complete spiral case 2.

In another embodiment, spiral case water-accepting part 23 can be with respect to the vertically lifting moving of spiral case ontology 22.Such as Fig. 8 Shown, the bottom of spiral case water-accepting part 23 is fixed in mounting bracket 24, and mounting bracket 24 is L-shaped and horizontal component carrying spiral case connects Water portion 23, vertical portion are equipped with bracket slide 25.In fig. 8, two 25 horizontal interval of bracket slide arrangements are correspondingly provided with solid Determine sliding rail 26, fixed rack 26 is independently fixedly installed on casing 100 or other structures component, and bracket slide 25 can be matchingly It is vertically slid along fixed rack 26.

To keep the liquid level of the cleaning solution in spiral case water-accepting part 23 steady, the horizontal component of L shape mounting bracket 24 is also upward Muti-piece support plate is extended with to support the entire bottom surface of spiral case water-accepting part 23 conscientiously.

In addition, mounting bracket 24 can be pushed to go up and down by all kinds of jacking apparatus etc..In fig. 8, it is simple that materials are used Push-rod electric machine 27, push-rod electric machine 27 are arranged in the top of L shape mounting bracket 24 and suspend the vertical portion of connection mounting bracket 24 in midair, To keep sliding smooth, during the connection stress point of mounting bracket 24 and push-rod electric machine 27 is arranged between two bracket slides 25 Between position.Push-rod electric machine 27 can pull mounting bracket 24 steadily to go up and down.

Referring to Fig. 9, Figure 10, spiral case water-accepting part 23 shown in Fig. 8 and mounting bracket 24 are installed to the rear portion of blower.In general, Impeller motor 4 is fixedly installed in casing 100 by the impeller motor bracket 28 of hoop periphery wall, the peace that spiral case 2 passes through two sides Ear is filled to be fixedly mounted.Appropriate installation site is selected, 27 location and installation of fixed rack 26 and push-rod electric machine can then pass through Controller 29 controls the lifting moving that mounting bracket 24 drives spiral case water-accepting part 23.

It will be appreciated to those of skill in the art that in the embodiment that Fig. 2 to Fig. 4 is shown, water storage box 1, spiral case 2, Impeller 3 can also be each by being similar to the sliding crane of mounting bracket 24 and realizing similar to the driving mechanism of push-rod electric machine 27 From slide vertically installation, so that any height and position control etc. between any two can be realized.Such as water storage box 1 is fixed at When the bottom part down of spiral case 2, control water storage box 1 can vertically move and/or impeller 3 can vertically be moved with phase mutual connection Closely.Realize that structure and the control mode of above-mentioned control are all more, it is not reinflated thin herein due to being not the utility model emphasis It states.

As shown in Figure 2 and Figure 3, the blower cleaning system in range hood generally comprises two pipelines of feed pipe and return pipe, Be successively arranged on feed pipe from water tank 8 extract cleaning solution feed pump 7, to pumping liquid heat heating device 6 and It protrudes into the cleaning jet pipe 5 of the spray cleaning of impeller 3 in volute chamber, return pipe connects liquid storage chamber 11 and passes through 9 blowback of back water pump extremely In water tank 8, with repeated recycling utilize cleaning solution.Certainly, the upstream end of feed pipe is also connected to running water pipe, the bottom of return pipe End may also connect to external sewage pipe, to help to realize the automatic control of blower cleaning.

In Fig. 3, back water pump 9 is suction pump and is arranged outside water storage box 1, passes through the bottom liquid mouth 19 of 11 bottom of liquid storage chamber Extract cleaning solution.

In Fig. 2, Fig. 5, back water pump 9 is then preferably gap greatly and is not easy stifled booster pump, which is arranged in water storage In box 1.According to the use characteristic of booster pump, the liquid level of the cleaning solution of liquid storage chamber 11 should not there be back water pump 9.

In conjunction with Fig. 5, in a kind of specific mounting means of booster pump, the back water pump 9 (i.e. booster pump) in liquid storage chamber 11 is even Be connected to return pipe, return pipe include stretched out upwards from the water outlet of back water pump 9 upwardly extend section 91 and from upwardly extending section What top crossed out is laterally extended section 92；Wherein, on the basis of the cavity minimum point of liquid storage chamber 11, the central axis of back water pump 9 The liquid level of line is C, and the surface level height of liquid storage chamber 11 is H, is laterally extended between section and the central axis of back water pump 9 Liquid level difference is B, then should meet: H-C < B, so that booster pump obtains comparatively ideal drainage effect.

To sum up, by adding water storage box 1, facilitate the impeller cleaning of range hood, can abbreviated volute processing technology, reduce The manufacturing cost of spiral case.And water storage box 1 is not limited to be applied in spiral case 2 and range hood, is also convenient to be applied to it In his container.

Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model Art scheme carries out a variety of simple variants, such as shape, the shape of water storage cavity 11 of water storage box 1 are not limited to the arc-shaped of diagram, Such as water storage box 1 can be rectangular box, water storage cavity 11 is rectangular cavity, and the cleaning solution deposited in water tank 8 can be tap water, can also be with It is the cleaning solution for the detergent that band centainly matches, alternatively, there being tap water in water tank 8, and is added in the feed pipe in casing 100 There is cleaning solution adding set etc., these simple variants or extension belong to the protection scope of the utility model.

It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (10)

1. a kind of range hood, which is characterized in that the range hood includes spiral case (2), water storage box (1) and ultrasonic cleaning dress It sets (18), the liquid storage chamber (11) for accommodating cleaning solution is equipped in the water storage box (1), water storage box (1) fixing sleeve is loaded on The bottom cavity of the bottom of the spiral case (2), the liquid storage chamber (11) and volute chamber is interconnected, the ultrasonic cleaning equipment (18) for driving the cleaning solution to carry out ultrasonic cleaning.

2. range hood according to claim 1, which is characterized in that the ultrasonic cleaning equipment (18) is hermetically embedded in In the cassette bottom wall mounting hole of the water storage box (1).

3. range hood according to claim 2, which is characterized in that the inner bottom wall of the liquid storage chamber (11) and the spiral case (2) bottom periphery wall interval setting.

4. range hood according to claim 2, which is characterized in that the ultrasonic cleaning equipment (18) is also hermetically embedding In the spiral case wall mounting hole of bottom periphery wall loaded on the spiral case (2).

5. range hood according to claim 1, which is characterized in that the range hood is equipped with the water storage box (1) bottom centre (O) is multiple ultrasonic cleaning equipments (18) that basic point is arranged symmetrically.

6. range hood according to claim 1, which is characterized in that the ultrasonic cleaning equipment (18) includes that low frequency is super Acoustic wave transducer and high-frequency ultrasonic transducer.

7. range hood described according to claim 1~any one of 6, which is characterized in that the range hood includes wind Machine cleaning system, the blower cleaning system include water tank (8), the cleaning jet pipe (5) and the water storage box for protruding into volute chamber (1), it connects and is provided with feed pump (7) and heating device (6) on the feed pipe of the water tank (8) and cleaning jet pipe (5), connect institute The return pipe for stating water storage box (1) and water tank (8) is equipped with back water pump (9).

8. range hood according to claim 1, which is characterized in that the water storage box (1) includes crowding around to form the storage Box body front end-plate (12), box body end plate (13) and the curved plate (14) of sap cavity (11), the box body front end-plate (12) and box Body end plate (13) is in the mirror-image arrangement of front and back parallel interval, the curved plate (14) connect the box body front end-plate (12) and The top end opening of the respective base arcuate edge of box body end plate (13), the liquid storage chamber (11) is formed as the suit mouth of flared.

9. range hood according to claim 8, which is characterized in that the water storage box (1) is integrated injection molding part.

10. range hood according to claim 1, which is characterized in that the bottom shell of the spiral case (2) is formed with connection The sepage through hole of the liquid storage chamber (11) and/or sepage gap.