CN206944263U - Range hood - Google Patents

Abstract

The utility model discloses a kind of range hood, it includes housing, smoking apparatus and steam cleaning device, the smoking apparatus is at least partially disposed in the housing, the steam cleaning device includes steam generator and jet pipe, the steam generator is connected with the jet pipe by pipeline, the smoking apparatus includes spiral case and the impeller in the spiral case, and the jet pipe is at least partially situated in the spiral case and for steam caused by the steam generator to be sprayed to the impeller.In above-mentioned range hood, jet pipe can spray steam caused by steam generator to impeller so that the cleaning performance of impeller is good, ensure that the stable performance of range hood.

Description

Range hood

Technical field

Household electrical appliance technical field is the utility model is related to, more specifically, is related to a kind of range hood.

Background technology

In the related art, range hood in use due to greasy dirt in air channel and impeller on adhewsive action, lead The hydraulic performance decline of range hood, breed bacteria are caused, therefore range hood need to be cleaned, keeps its stable performance.

At present, the cleaning of range hood is mainly cleaned using modes such as thermalization oil, cold water, still, above-mentioned cleaning side The cleaning performance of formula is bad.

Utility model content

The utility model is intended at least solve one of technical problem present in correlation technique.Therefore, the utility model is real The mode of applying needs to provide a kind of range hood.

A kind of range hood of the utility model embodiment, including housing, smoking apparatus and steam cleaning device, the smoking Device is at least partially disposed in the housing, and the steam cleaning device includes steam generator and jet pipe, the steam generator and The jet pipe is connected by pipeline, and the smoking apparatus includes spiral case and the impeller in the spiral case, jet pipe at least part status In in the spiral case and for steam caused by the steam generator to be sprayed to the impeller.

In above-mentioned range hood, jet pipe can spray steam caused by steam generator to impeller so that the cleaning of impeller Effect is good, ensure that the stable performance of range hood.

In some embodiments, the range hood includes elastic component, and the pipeline includes jet chimney, and the jet chimney connects The steam generator and the jet pipe are connect, the jet chimney is arranged with the elastic component.

In some embodiments, the jet pipe offers multiple spray orifices, and the plurality of spray orifice is located in the spiral case, the plurality of spray Hole is arranged at intervals along the rotation axis parallel to the impeller.

In some embodiments, the plurality of spray orifice includes at least one first spray orifice and at least one second spray orifice, should First spray orifice is opened in the side of the jet pipe, and second spray orifice is opened in the side of the jet pipe and the junction of end face.

In some embodiments, the axial angulation scope of the axial direction of second spray orifice and the jet pipe for 10 °~ 60 °, the axial direction for being axially perpendicular to the jet pipe of first spray orifice.

In some embodiments, the jet pipe includes installation portion and spray orifice portion, and the installation portion connects the spray orifice portion, the spray orifice Portion is located in the spiral case, and the spiral case offers mounting hole, and the installation portion includes convex portion and joint portion, and the convex portion is located in the spiral case And the inner surface of the spiral case is resisted against by packing ring, the joint portion wears mounting hole, and the range hood is included outside the spiral case Fastener, the fastener be connected with the joint portion and by the jet pipe be arranged on the spiral case on.

In some embodiments, the jet pipe includes anti-slip part, and the anti-slip part connects the joint portion, and the non-slip parts are in this Outside spiral case, the pipeline is locked the anti-slip part.

In some embodiments, the joint portion is formed with positioning section, and the mounting hole is formed with positioning side, the positioning Section coordinates with the positioning side and positions the relative position in the spray orifice portion and the impeller.

In some embodiments, the spiral case offers smoke inlet, and the impeller is set corresponding to the smoke inlet, the fume-exhausting Machine includes oil collecting ring and Oil Guide portion, and the oil collecting ring is arranged on the spiral case and relative with the edge of the smoke inlet, company of the Oil Guide portion The oil collecting ring is connect, the axial angulation scope in the positioning side and the Oil Guide portion is 10 °~60 °.

In some embodiments, the steam generator includes heater, water pump and connecting pipe, connecting pipe connection The heater and the water pump, the heater, the connecting pipe and the water pump collectively form U-shaped arrangement.

In some embodiments, the housing includes lower side panel, and the lower side panel offers through hole, and the pipeline includes water inlet pipe Road, inlet channel connection cup and the steam generator, the cup are located at outside the housing, and the inlet channel wears the through hole.

In some embodiments, the quantity of the impeller is two, and the spiral case offers two smoke inlets, two impellers It is disposed in the spiral case, the smoke inlet is correspondingly arranged each impeller with one, and the quantity of the jet pipe is two, each should Jet pipe is used to spray steam caused by the steam generator to corresponding impeller.

In some embodiments, the steam zone that the jet pipe is sprayed covers the peripheral side and the impeller of the impeller Bottom surface.

The additional aspect and advantage of the utility model embodiment will be set forth in part in the description, partly will be under Become obvious in the description in face, or recognized by practice of the present utility model.

Brief description of the drawings

In description of the of the present utility model above-mentioned and/or additional aspect and advantage from combination accompanying drawings below to embodiment It will be apparent and be readily appreciated that, wherein：

Fig. 1 is the schematic perspective view of the range hood of the utility model embodiment；

Fig. 2 is the upward view of the range hood of the utility model embodiment；

Fig. 3 is another schematic perspective view of the range hood of the utility model embodiment；

Fig. 4 is the partial cutaway schematic view of the range hood of the utility model embodiment；

Fig. 5 is the spiral case of the range hood of the utility model embodiment and the installation decomposing schematic representation of jet pipe；

Fig. 6 is the schematic perspective view of the jet pipe of the range hood of the utility model embodiment；

Fig. 7 is the front view of the jet pipe of the range hood of the utility model embodiment；

Fig. 8 is another front view of the jet pipe of the range hood of the utility model embodiment；

Fig. 9 is the diagrammatic cross-section of the jet pipe of the range hood of the utility model embodiment；

Figure 10 is the jet pipe of the range hood of the utility model embodiment and the connection diagram of jet chimney；

Figure 11 is the upward view of the smoking apparatus of the range hood of the utility model embodiment；

Figure 12 is the structural representation of the steam generator of the range hood of the utility model embodiment.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the utility model, and it is not intended that to this practicality New limitation.

In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and It is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define One or more feature can be expressed or be implicitly included to the feature of " first ", " second ".In the utility model Description in, " multiple " are meant that two or more, unless otherwise specifically defined.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；It can be mechanical connection or electrical connection or can be in communication with each other；Can be joined directly together, can also be in Between medium be indirectly connected, can be connection or the interaction relationship of two elements of two element internals.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model. In order to simplify disclosure of the present utility model, hereinafter to the parts of specific examples and it is set for describing.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relation between setting.In addition, various specific techniques and the example of material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

It please join Fig. 1 Fig. 4, a kind of range hood 100 of the utility model embodiment, including housing 102, smoking apparatus 104 and steam cleaning device 106, smoking apparatus 104 be at least partially disposed in housing 102, steam cleaning device 106 includes steam Generator 110 and jet pipe 112, steam generator 110 are connected with jet pipe 112 by pipeline, and smoking apparatus 104 includes spiral case 114 With the impeller 116 in spiral case 114, jet pipe 112 is at least partially situated in spiral case 114 and is used for steam generator 110 Caused steam is sprayed to impeller 116.

In above-mentioned range hood 100, jet pipe 112 can spray steam caused by steam generator 110 to impeller 116, make It is good to obtain the cleaning performance of impeller 116, ensure that the stable performance of range hood 100.

Specifically, in the utility model embodiment, smoking apparatus 104 is arranged in housing 102, is also with regard to saying, is inhaled Cigarette device 104 is located in the space that housing 102 is surrounded.In this way, the thickness of range hood 100 can be reduced, it is advantageously implemented thin Type range hood 100.

It is appreciated that in other embodiments, smoking apparatus 104 may also comprise the part stretched out in outside housing 102, example Such as, the outer distance that area is produced to reduce smoke inlet 118 with oil smoke of the extended housing 102 of the smoke inlet 118 of smoking apparatus 104, again Such as, the extended housing 102 of the outlet flue (not shown) of smoking apparatus 104 is outer so that the speed for the oil smoke that smoking apparatus 104 is discharged Degree is very fast.

In the utility model embodiment, the quantity of impeller 116 is two, and spiral case 114 offers two smoke inlets 118, two impellers 116 are disposed in spiral case 114, and each impeller 116 is correspondingly arranged with a smoke inlet 118, jet pipe 112 Quantity be two, each jet pipe 112 be used for steam caused by steam generator 110 is sprayed to a corresponding impeller 116. In this way, the range hood 100 of bilobed wheel 116 can be realized, the fume-exhausting ability of range hood 100 is enhanced.

Specifically, each impeller 116 can be driven by a motor, and motor is located in spiral case 114.In this way, it ensure that each Impeller 116 can play the effect of maximum.

In the utility model embodiment, impeller 116 is centrifugal impeller, and impeller 116 includes wheel hub and is arranged on wheel hub On blade, the output axis connection of wheel hub and motor.Air is sucked by the middle part of impeller 116, and from the peripheral side of impeller 116 117 discharges.Impeller 116 is in be placed across in spiral case 114 to realize thin fume extractor 100.Impeller 116 is in laterally disposed When, the rotation axis A1 of impeller 116 is basically perpendicular to horizontal plane, as shown in Figure 4.

Jet pipe 112 is at least partially situated in spiral case 114, it can be understood as, in some embodiments, jet pipe 112 is also It may include the part outside spiral case 114, the part of jet pipe 112 outside spiral case 114 also can be to the housing 102 outside spiral case 114 Surface is cleaned or for fixing jet pipe 112；In some embodiments, jet pipe 112 can be also fully located in spiral case 114.

In addition, cause user injured to prevent the hand of user or other objects from stretching into impeller 116 through smoke inlet 118 and Impeller 116 is damaged, and a filter screen 120 is provided with the outer surface of spiral case 114, each smoke inlet 118, is also set on filter screen 120 It is equipped with catchment cup 122.

The epipleural of housing 102 formed with exhaust opening 124, the outlet flue of exhaust opening 124 and smoking apparatus 104 mutually pass to by The oil smoke discharge range hood 100 of smoking apparatus 104.

The water of steam generator 110 may be from cup 108.Cup 108 connects steam generator 110 by pipeline.At certain In a little embodiments, range hood 100 includes cup 108.

In the utility model embodiment, Fig. 3 please be join, housing 102 includes lower side panel 126, and lower side panel 126 offers logical Hole 128, pipeline include inlet channel 130, and inlet channel 130 connects cup 108 and steam generator 110, cup 108 are located at shell Outside body 102, inlet channel 130 wears through hole 128.In this way, facilitating, user is carried out to cup 108 plus water operates, meanwhile, cup 108 outside housing 102 so that the overall structure of housing 102 is compacter, is advantageously implemented thin fume extractor 100.

In some embodiments, range hood 100 includes elastic component 132, and pipeline includes jet chimney 134, steam pipe Road 134 connects steam generator 110 and jet pipe 112, jet chimney 134 are arranged with elastic component 132.In this way, in steam cleaning device During 106 work, the bending of jet chimney 134 can be prevented and cause plugging.

Specifically, jet chimney 134 is typically made up of flexible pipe, and steam caused by steam generator 110 has certain speed Degree, when steam exports, easily cause bending to jet chimney 134 and plugging.And after jet chimney 134 is arranged with elastic component 132, It then can so prevent the bending of jet chimney 134 and cause plugging.In the utility model example, elastic component 132 is spring, can be with Understand, in other examples, elastic component 132 can be other hollow elastic components.

In the utility model embodiment, jet chimney 134 includes the first segment pipe 136, the second segment pipe 138 and the Three segment pipes 140, range hood 100 include threeway 142, the steam (vapor) outlet of the first segment pipe 136 connection steam generator 110 and The import of threeway 142, the second segment pipe 138 connect the one outlet and one of jet pipe 112 of threeway 142, the 3rd segment pipe 140 connection threeways 142 another outlet and another jet pipe 112, in this way, realize a steam generator 110 simultaneously to Two jet pipes 112 provide steam and clean impeller 116.

It is pointed out that it is preferred that there is buckle 144 to lock at all switchings, prevent shedding from causing gas leakage Leak.

In some embodiments, jet pipe 112 offers multiple spray orifices 146, and multiple spray orifices 146 are located in spiral case 114, more Individual spray orifice 146 is arranged at intervals along the rotation axis A1 parallel to impeller 116.It so, it is possible to increase the cleaning surface that jet pipe 112 sprays Product.

In the utility model embodiment, multiple spray orifices 146 can arrange along same straight line L1, as shown in Figure 7.It can manage Solution, in other embodiments, multiple spray orifices 146 can also arrange along different straight line L2, L3, as shown in Figure 8.

It is preferred that the pore diameter range of spray orifice 146 is 1~2.5mm.So, it is ensured that the speed that spray orifice 146 sprays steam is fitted In.In some instances, the aperture of spray orifice 146 is 1mm, 1.2mm, 1.5mm, 2mm or 2.5mm.The aperture of multiple spray orifices 146 can It is different with identical or different or part same section.

In some embodiments, multiple spray orifices 146 include at least one first spray orifice 148 and at least one second spray orifice 150, the first spray orifice 148 is opened in the side 152 of jet pipe 112, and the second spray orifice 150 is opened in the side 152 and end face of jet pipe 112 154 junction 156.In this way, it can further increase the cleaning area of the injection of jet pipe 112.

Specifically, in the example depicted in fig. 6, the quantity of the first spray orifice 148 is two, and the quantity of the second spray orifice 150 is One.It is appreciated that the quantity of the first spray orifice 148 and the second spray orifice 150 can carry out the setting of other quantity, do not make herein specific Limitation.

In some embodiments, the axial A2 of the second spray orifice 150 and jet pipe 112 axial A3 angulations α scopes For 10 °~60 °, the axial A3 of the axial A4 of the first spray orifice 148 perpendicular to jet pipe 112.So so that the second spray orifice 150 and The steam directionality that one spray orifice 148 is sprayed is preferable, can clean to peripheral side 117 and the bottom surface 158 of impeller 116.

Specifically, Fig. 4 please be join, in the range hood 100 of the utility model embodiment, the steam that jet pipe 112 is sprayed The peripheral side 117 of scope covering impeller 116 and the bottom surface 158 of impeller 116.In this way, it ensure that the cleaning performance of impeller 116.

In some instances, α=10 °, 15 °, 20 °, 30 °, 45 °, 50 ° or 60 °.

In one example, it is determined that jet pipe 112 and impeller 116 apart from when, can be according to the injection model of the first spray orifice 148 Enclose with the spray regime of the second spray orifice 150 to determine.Specifically, the spray regime R1 of two the first spray orifices 148 is at least seamless Connection, the spray regime R1 and the second spray orifice 150 of first spray orifice 148 spray regime R2 at least seamless connections.In Fig. 4 In shown, there is overlapping region in the spray regime R1 of two the first spray orifices 148, the spray regime R1 of first spray orifice 148 and There is overlapping region in the spray regime R2 of the second spray orifice 150, ensure that impeller 116 can obtain the cleaning of maximum area.

In some embodiments, Fig. 4 and Fig. 5 please be join, jet pipe 112 includes installation portion 160 and spray orifice portion 162, installation portion 160 connection spray orifice portions 162, spray orifice portion 162 is located in spiral case 114, and spiral case 114 offers mounting hole 164, and installation portion 160 includes Convex portion 166 and joint portion 168, convex portion 166 are located in spiral case 114 and the inner surface of spiral case 114, knot are resisted against by packing ring 170 Conjunction portion 168 wears mounting hole 164, and range hood 100 includes the fastener 172 outside spiral case 114, and fastener 172 is with combining Portion 168 connects and jet pipe 112 is arranged on spiral case 114.In this way, packing ring 170 can prevent greasy dirt in spiral case 114 or water from oozing Leakage, the mounting means of jet pipe 112 are also relatively simple.

Specifically, in the utility model embodiment, joint portion 168 is threaded portion, and fastener 172 is nut, nut Locking screw portion, make the packing washer 170 of convex portion 166 in the inner surface of spiral case 114.Spray orifice portion 162 is offered including the first spray orifice 148 and second spray orifice 150 multiple spray orifices 146.

Convex portion 166 is the successional bulge loop on jet pipe 112.It is appreciated that between on convex portion 166 or jet pipe 112 The bulge loop of disconnected property.The side 152 of jet pipe 112 is the side in spray orifice portion 162.

In some embodiments, jet pipe 112 includes anti-slip part 174, and anti-slip part 174 connects joint portion 168, anti-slip part 174 outside the spiral case 114, and pipeline is locked anti-slip part 174.In this way, anti-slip part 174 makes pipeline be not easy to come off from jet pipe 112.

Specifically, in the illustrated example shown in fig. 2, the second segment pipe 138 is locked the anti-slip part 174 of one of jet pipe 112, 3rd segment pipe 140 is locked the anti-slip part 174 of another jet pipe 112.Jet chimney 134 at the switching of anti-slip part 174 with having card The locking of button 144, as shown in Figure 10.

It is appreciated that anti-slip part 174, joint portion 168 and spray orifice portion 162 are hollow, and internal connection so that steam energy It is enough to enter jet pipe 112 from jet chimney 134, then outwards sprayed from spray orifice portion 162.

In some embodiments, joint portion 168 is formed with positioning section 176, and mounting hole 164 is formed with positioning side 178, positioning section 176 is with positioning side 178 with the relative position for merging positioning spray orifice portion 162 and impeller 116.In this way, positioning Section 176 coordinates positioning spray orifice portion 162 to spray the direction of steam with mounting hole 164, steam is ejected on impeller 116.

In the utility model example, multiple spray orifices 146 are arranged along same straight line L1, and the axial direction of spray orifice 146 is respectively positioned on Same plane, plane is vertical with positioning section 176, can join Fig. 9 and be understood.

In some embodiments, Figure 11 please be join, spiral case 114 offers smoke inlet 118, and impeller 116 corresponds to smoke inlet 118 are set, and range hood 100 includes oil collecting ring 180 and Oil Guide portion 182, and oil collecting ring 180 is arranged on spiral case 114 and with entering cigarette The edge of mouth 118 is relative, and Oil Guide portion 182 connects oil collecting ring 180, positioning side 178 and angle formed by the axial A5 in Oil Guide portion 182 It is 10 °~60 ° to spend θ scopes.In this way, oil collecting ring 180 collects the greasy dirt or water flowed out through smoke inlet 118, greasy dirt or water are through leading Oily portion 182 flows to the oil trap installed in the position that range hood 100 is specified, such as housing 102 on rear support bar 184 and (schemed not Show) in.

In some instances, θ=10 °, 20 °, 25 °, 30 °, 45 °, 50 ° or 60 °.

In addition, the steam that the spray orifice 146 that above-mentioned angular range is jet pipe 112 sprays is ejected on the blade of impeller 116 preferably Angular range.When mounted, the position of one of them in the axial A5 and positioning side 178 in Oil Guide portion 182 can be first determined, Then another position is determined further according to above-mentioned angular range.

Specifically, oil collecting ring 180 and Oil Guide portion 182 can be made of plastics, and oil collecting ring 180 and Oil Guide portion 182 can be Integrated formed structure.In this way, the cost in oil collecting ring 180 and Oil Guide portion 182 is relatively low, and good airproof performance, not easy oil leakage dirt or water. In the utility model embodiment, the quantity in oil collecting ring 180 and Oil Guide portion 182 is two, each oil collecting ring 180 with it is corresponding The edge of one smoke inlet 118 is relative.Oil Guide portion 182 is in strip.

In some embodiments, Figure 12 please be join, steam generator 110 includes heater 184, water pump 186 and connecting tube Road 188, connecting pipe 188 connect heater 184 and water pump 186,186 common structure of heater 184, connecting pipe 188 and water pump Into U-shaped arrangement.In this way, the space shared by steam generator 110 is less, thin fume extractor 100 is advantageously implemented.

Specifically, in the example depicted in fig. 12, steam generator 110 includes shell 190, heater 184 and water pump 186 In shell 190, the entrance point 192 of heater 184 wears shell 190, and entrance point 192 passes through inlet channel 130 and cup 108 connections, the port of export 194 of water pump 186 are connected by the first segment pipe 136 with the import of threeway 142.Heater 184 can be Electric heating body.In the utility model example, the steam (vapor) outlet end of the port of export 194 of water pump 186 as steam generator 110, The steam (vapor) outlet end of steam generator 110 offers the steam (vapor) outlet of steam generator 110.

When steam cleaning device 106 works, water pump 186 is pumped into water from cup 108, and heater 184 heats water and forms steam, Finally sprayed from jet pipe 112, impeller 116 is cleaned.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description Specific features, structure, material or feature are contained at least one embodiment or example of the present utility model.In this explanation In book, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific spy of description Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-mentioned embodiment party Formula is exemplary, it is impossible to is interpreted as to limitation of the present utility model, one of ordinary skill in the art is of the present utility model In the range of above-mentioned embodiment can be changed, change, replace and modification.

Claims (13)

1. a kind of range hood, it is characterised in that including housing, smoking apparatus and steam cleaning device, the smoking apparatus at least portion It is arranged in the housing with dividing, the steam cleaning device includes steam generator and jet pipe, and the steam generator and the jet pipe pass through Pipeline connects, and the smoking apparatus includes spiral case and the impeller in the spiral case, and the jet pipe is at least partially situated in the spiral case And for steam caused by the steam generator to be sprayed to the impeller.

2. range hood as claimed in claim 1, it is characterised in that the range hood includes elastic component, and the pipeline includes steaming Steam pipe road, the jet chimney connect the steam generator and the jet pipe, and the jet chimney is arranged with the elastic component.

3. range hood as claimed in claim 1, it is characterised in that the jet pipe offers multiple spray orifices, the plurality of spray orifice position In in the spiral case, the plurality of spray orifice is arranged at intervals along the rotation axis parallel to the impeller.

4. range hood as claimed in claim 3, it is characterised in that the plurality of spray orifice is including at least one first spray orifice and extremely Few second spray orifice, first spray orifice are opened in the side of the jet pipe, and second spray orifice is opened in the side and end of the jet pipe The junction in face.

5. range hood as claimed in claim 4, it is characterised in that the axial direction institute of the axial direction of second spray orifice and the jet pipe into Angular range be 10 °~60 °, the axial direction for being axially perpendicular to the jet pipe of first spray orifice.

6. range hood as claimed in claim 1, it is characterised in that the jet pipe includes installation portion and spray orifice portion, the installation portion The spray orifice portion is connected, the spray orifice portion is located in the spiral case, and the spiral case offers mounting hole, and the installation portion includes convex portion and combination Portion, the convex portion are located in the spiral case and the inner surface of the spiral case are resisted against by packing ring, and the joint portion wears mounting hole, the oil suction Cigarette machine includes the fastener outside the spiral case, and the fastener is connected with the joint portion and the jet pipe is arranged on the spiral case.

7. range hood as claimed in claim 6, it is characterised in that the jet pipe includes anti-slip part, and the anti-slip part connects the knot Conjunction portion, in outside the spiral case, the pipeline is locked the anti-slip part non-slip parts.

8. range hood as claimed in claim 6, it is characterised in that the joint portion is formed with positioning section, the mounting hole shape Into there is positioning side, the positioning section coordinates with the positioning side and positions the relative position in the spray orifice portion and the impeller.

9. range hood as claimed in claim 8, it is characterised in that the spiral case offers smoke inlet, and the impeller corresponds to should Smoke inlet is set, and the range hood includes oil collecting ring and Oil Guide portion, the oil collecting ring on the spiral case and with the smoke inlet Edge is relative, and the Oil Guide portion connects the oil collecting ring, the axial angulation scope in the positioning side and the Oil Guide portion for 10 °~ 60°。

10. range hood as claimed in claim 1, it is characterised in that the steam generator includes heater, water pump and connection Pipeline, the connecting pipe connect the heater and the water pump, and the heater, the connecting pipe and the water pump collectively form U-shaped cloth Put.

11. range hood as claimed in claim 1, it is characterised in that the housing includes lower side panel, and the lower side panel offers logical Hole, the pipeline include inlet channel, and inlet channel connection cup and the steam generator, the cup are located at outside the housing, should Inlet channel wears the through hole.

12. range hood as claimed in claim 1, it is characterised in that the quantity of the impeller is two, and the spiral case offers two Individual smoke inlet, two wheel spaces are arranged in the spiral case, and the smoke inlet is correspondingly arranged each impeller with one, the jet pipe Quantity be two, each jet pipe is used to spray steam caused by the steam generator to corresponding impeller.

13. range hood as claimed in claim 1, it is characterised in that the steam zone that the jet pipe is sprayed covers the impeller Peripheral side and the impeller bottom surface.