CN103512067B

CN103512067B - Two-sided suction fume exhauster

Info

Publication number: CN103512067B
Application number: CN201210225211.6A
Authority: CN
Inventors: 张惠生
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-14
Filing date: 2012-06-14
Publication date: 2016-05-18
Anticipated expiration: 2032-06-14
Also published as: CN103512067A

Abstract

The invention discloses a kind of air intake and exhaust system, belong to the two-sided suction fume exhauster that family and catering trade are used. It comprises gear oil smoke cover 8, air absorbing body 12, oil resistance body 13, motor, double-impeller and steam vent 9. Feature is that the ∠ β between the plane of the air absorbing body 12 at positive and negative air admission hole place and the backboard 8-1 of gear oil smoke cover 8 is 0 °-90 °; Between air absorbing body 12 and the left baffle of gear oil smoke cover 8, be provided with oil smoke air duct 20, rear oil smoke air duct 22 between air absorbing body 12 and backboard 8-1. Compared with prior art, air absorbing body 12 is tilted and is fixed in gear oil smoke cover 8, and angle is adjustable, space between air absorbing body and gear oil smoke cover communicates, can make enough soot gas enter in air absorbing body by the air admission hole of reverse side, and discharged timely, its mist extractor effect is the present twice with power kitchen hood. There is compact conformation, attractive in appearance, fume exhaust is effective, and can also make it have good fume purifying function, both environmental protection, make again impeller exempt to clean.

Description

Two-sided suction fume exhauster

Technical field:

The present invention relates to a kind of air intake and exhaust system, belong to the two-sided suction fume exhauster that family and catering trade are used.

Background technology:

The fume exhausting fan that current family expenses and catering trade are used, is generally single motor single air inlet, follows for a long time traditional skillArt, ubiquity suction is little, and improves smoke discharging effect by expanded motor power, because of without innovation, causes smoke discharging effect alwaysUndesirable. Only changed by slim-dark type-Europe type in appearance. So far the smoke exhaust with filtering oil smoke cleaning device notCome into the market, people still use traditional smoke exhaust ventilator, just need carry out clearly impeller and smoke exhaust inside after a whileWash, waste time and energy. General family, cleans 1-2 time for 1 year, causes Scale of blade serious, cannot wash, can only make impeller withDirt work, had both increased motor load, had brought again noise, had also affected mist extractor effect. For improving the row of smoke exhaustOil smoke effect, I have invented a kind of two sides suction fume exhauster in 2002, and the patent No. is 02212942.1, although mist extractorEffect is greatly improved, but still has the following disadvantages. The one, because the air absorbing body with impeller is uprightly arranged on kitchen range top top,Suction hole faces the two sides, left and right of shell of cooker hood, actuating motor, and two sides suction hole produces air suction function simultaneously, conventionallyOnly, with a kitchen range eye culinary art on the kitchen range top, the oil smoke of generation is mainly siphoned away by suction hole nearby, and symmetrical another side suction holeOwing to having with a certain distance from cooking range eye, the oil smoke being drawn onto is very limited, and the major part of suction is peripheral gas, almost makes idle work.Secondly, because the air absorbing body with impeller is uprightly arranged on kitchen range top top, cause the wider width of smoke exhaust, volume is bigger than normal,Aesthetic property is poor, and dismounting protective cover and impeller are not too convenient. For solve lampblack absorber exempt from clean, make to enter impeller and place is air-breathingThe gas of chamber is the gas without oil smoke, and I have invented a kind of rotary oil smoke purifier, and the patent No. isZL20091002073.X, oil strain oil resistance effect is fine, but the housing that holds this rotary oil smoke purifier and collect oil strain withFormer shell of cooker hood separates, processing and manufacturing separately, and then be connected with the housing of former smoke-fume conducting machine, and the knot of housingStructure also has incomplete place, causes oil resistance effect still not very good.

Summary of the invention:

The technology that the present invention will solve is, provides that a kind of fume exhaust is effective, compact conformation, two-sided air-breathing row attractive in appearanceLampblack absorber. And a kind of compact conformation is further provided, there is the two-sided suction fume exhauster of oil resistance oil filtering function.

The present invention is taked technical scheme to be by the above technical problem of solution, and a kind of two-sided air-breathing row of following structure is providedLampblack absorber. It comprises by positive and negative shell, the air absorbing body 12 of side shell and suction hole 12-1 composition, and gear oil smoke cover 8, motor 17,Double-impeller 1 and steam vent 9; Be characterized in, the plane of air absorbing body 12 positive and negative shells with gear oil smoke cover 8 backboard 8-1 itBetween ∠ β be 0 °-90 °; At least air absorbing body 12 and gear oil smoke cover 8 left baffle between, and backboard 8-1 between be provided with oilCigarette air duct. Described double-impeller 1 can be single-layer double-side impeller, can be also double-layer and double-side impeller, double-layer and double-side leafThe structure of wheel can adopt the ZL02212942.1 utility model patent of my application; The structure of single-layer double-side impeller can beOn the basis of ZL02212942.1 patent double-layer and double-side blade wheel structure, improve and obtain, remove intra vane, retain outer leafs, and doSuitable improvement. Also can on the basis of existing individual layer blade wheel structure, improve and obtain. In the time that ∠ β is 0 °, show that positive and negative entersThe plane of the air absorbing body 12 at pore place is parallel with the backboard 8-1 of gear oil smoke cover 8; In the time that ∠ β is between 0 °-90 °, just showThe plane extended line of the air absorbing body 12 at reverse side air admission hole place intersects certain angle with the backboard 8-1 of gear oil smoke cover 8, and inhalesGas turns forward, and front and back air admission hole becomes near apart from the distance of the kitchen range top; In the time that ∠ β is 90 °, show the suction at positive and negative air admission hole placeThe plane extended line of gas 12 is vertical with the backboard 8-1 of gear oil smoke cover 8, and motor reel is flat with the backboard 8-1 of gear oil smoke cover 8OK, at this moment, the positive and negative air admission hole on air absorbing body 12 has become upper and lower air admission hole.

∠ β between the backboard 8-1 of the plane of air absorbing body 12 positive and negative shells and gear oil smoke cover 8 is 15 °-30 °.

Air absorbing body 12 by two bracing frames 7 be fixedly connected on gear oil smoke cover 8 in, air absorbing body 12 each side have oneStretch out connecting axle 12-3, have axis hole 7-1 in bracing frame 7 and its corresponding position, and be fixedly connected with at axis hole place. Axis hole 7-1 canBe opening, also can seal, and can the two is connected and fixed and is integrated by the mode such as nut or welding, work as axleWhen hole 7-1 is opening, axis hole is opened preferably deeply, and is preferably in bosom laterally extending certain distance again, to make air-breathingIt is more firm that body is connected with bracing frame. When by nut fixed-link, can adjust as required ∠ β, to reach suctionThe best effects of oil smoke. Air absorbing body 12 with gear oil smoke cover 8 the mode that is fixedly connected with have multiple, except the type of attachment of above narrationCan also make air absorbing body 12 be fixedly connected with overhead gage and left baffle when oil smoke cover outward. If the left and right gear of gear oil smoke cover 8The height of plate 8-2 approaches the height of backboard 8-1, and air absorbing body 12 also can keep off by connector and the left and right of gear oil smoke cover 8Plate is fixedly connected with, and to make the angle at the inclination angle (∠ β) of air absorbing body 12 be adjustable or non-adjustable.

On annular support plate 4, be provided with through hole 4-2, on the shell of double-impeller wheel body 1-1, be provided with louvre 1-1.1.

Establish the oil resistance body 13 being connected as a single entity with it at the tow sides of air absorbing body 12, air absorbing body positive and negative shell extension oneMeasured length, makes air absorbing body positive and negative shell become the inwall of oil resistance body 13, on the inwall of this oil resistance body, self-priming pore 12-1'sEdge be outwards fixedly connected sequentially interior chip washer 13-2 and outer chip washer 13-3, have certain distance between two oil resistance ribs, outerThe height of height >=interior chip washer 13-2 of chip washer 13-3, the outer wall of oil resistance body 13 is even fixing in limit portion through sidewall and its inwallConnect, on it, have the air admission hole 13-1 concentric with suction hole 12-1, the diameter of diameter >=suction hole 12-1 of air admission hole 13-1. ElectronicThe axle of machine extends at positive and negative both direction, has respectively been fixedly connected with a cooking fume remover 10 on it, and this cooking fume remover is contained inIn oil resistance body 13.

The equal diameters of the diameter of interior chip washer 13-2 and suction hole 12-1, and establish on the outer end of this interior chip washer 13-2With the flat rib 13-2.1 being fixedly connected with.

Be fixedly connected with and connect scraper ring 24 in the outer wall inner side of oil resistance body 13 air admission hole 13-1 edges, this connects scraper ring 24 two endsThe diameter of diameter >=air admission hole 13-1.

Effect intentionally of the present invention. Because the plane of the air absorbing body 12 at positive and negative air admission hole of the present invention place is (air-breathingThe plane of body 12 positive and negative shells) and gear oil smoke cover 8 backboard 8-1 between ∠ β be 0 °-90 °. Illustrate that air absorbing body 12 removesBy parallel or be vertically fixed on outside two kinds of special circumstances of gear in oil smoke cover 8, all the other states are all fixed by lateral inclinationIn gear oil smoke cover 8, the two this type of attachment, make the structure of smoke exhaust more reasonable, both reduced smoke exhaustVolume, makes again the distance between two kitchen range eyes on the air admission hole of air absorbing body and the kitchen range top dwindle to greatest extent, has increased greatlyInspiratory capacity in unit interval has also increased the attractive in appearance of smoke exhaust simultaneously. The more important thing is this layout side of air absorbing bodyFormula, not only need not seal air absorbing body and the segment space of gear between oil smoke cover, but communicate more smooth better, be reverse side leafThe air-breathing passage that provides is provided. Therefore between air absorbing body 12 and the left baffle 8-2 of gear oil smoke cover 8, with backboard 8-1 between equalBe provided with oil smoke air duct, can give full play to the air-extraction function that is positioned at air absorbing body reverse side impeller, make enough soot gas logicalThe suction hole of crossing reverse side enters in air absorbing body, and is discharged timely, and its mist extractor effect is now with power kitchen hoodTwice or more than twice. In the time that impeller used is two-sided double-deck impeller, the diameter of air absorbing body suction hole 12-1 can reach200-300mm. Larger 11% to 66% than the air admission hole diameter (180mm) of existing smoke exhaust, so fume exhaust is effective.

∠ β between the plane of air absorbing body 12 and the backboard 8-1 of gear oil smoke cover 8 at positive and negative air admission hole place existsWithin the scope of 15 °-30 ° time, the degree that air absorbing body turns forward is optimized more, has both been conducive to the suction of gas, make again air absorbing body withWhen oil smoke cover connects compactly, be conducive to laying and the installation of steam vent on air absorbing body, electric control switch, illuminating lamp etc., makeSmoke exhaust overall structure is compacter, reasonable, attractive in appearance.

When air absorbing body 12 is fixedly connected on gear oil smoke cover 8 when interior by two bracing frames 7, ensure the relatively only of air absorbing bodyVertical property, and air absorbing body 12 with keep off between oil smoke cover 8 left baffle, oil smoke air duct between air absorbing body 12 and backboardArrange. If air absorbing body 12 is with two bracing frames 7 for axle is connected, and axis hole is opening, both ensured to adjust and inhale as requiredThe angle at the inclination angle (∠ β) of gas 12, can make again air absorbing body separate with bracing frame easily, also can easily clear up that it is anti-The inside of face air admission hole and air absorbing body.

When be provided with through hole 4-2 on annular support plate 4, the gas that can make to enter in air absorbing body 12 is inhaled into and the row of delivering in timeGas port, improves suction effect. When be provided with louvre 1-1.1 on the shell of double-impeller wheel body 1-1 time, can make to enter impellerGas timely the heat of motor is taken away, avoid electric motor overheating, extend service life of motor, alleviated leaf simultaneouslyThe weight of wheel, motor load reduces, and efficiency improves.

When be provided with the oil resistance body 13 being connected as a single entity with it on the positive and negative two sides of air absorbing body 12, in positive and negative two oil resistance bodiesRespectively hold after a cooking fume remover 10 on the extending shaft that is fixed on motor, made this smoke exhaust increase oil strain and resistanceFunctional oil, and compact conformation, attractive in appearance, really reached impeller and air absorbing body inside and exempted to clean and environmental protection object.

When the equal diameters of diameter and the suction hole 12-1 of interior chip washer 13-2, and on the outer end of this interior chip washer 13-2If after the flat rib 13-2.1 being fixedly connected with, its oil resistance better effects if, has further avoided the oil in oil resistance body to be thrown to leafSituation in wheel and air absorbing body.

Connect scraper ring 24 when the outer wall inner side in oil resistance body 13 air admission hole 13-1 edges is fixedly connected with one, and connect 24 liang of scraper ringsAfter the diameter of diameter >=air admission hole 13-1 of end, can effectively prevent that oil strain from dropping onto oil resistance external, pollute oil resistance body and the kitchen range top.

Brief description of the drawings:

The structural representation of Fig. 1-one embodiment of the invention

The A-A cutaway view of Fig. 2-Fig. 1

The structure enlarged drawing of air absorbing body 12 and bracing frame 7 junctions in Fig. 3-Fig. 2

The B-B cutaway view of Fig. 4-Fig. 1

In Fig. 5-Fig. 4, oil resistance body 13 and cooking fume remover 10 are at the structure enlarged drawing at A place

The C-C direction of Fig. 6-Fig. 4 is removed the view after impeller and motor

The D-D partial sectional view of Fig. 7-Fig. 6

A kind of structural representation of impeller 1 in Fig. 8-Fig. 4

The A-A zoomed-in view of Fig. 9-Fig. 8

The E-E cutaway view of Figure 10-Fig. 8

In Figure 11-Fig. 1, keep off the right view after oil smoke cover 8 dwindles

Embodiment:

Provide specific embodiments of the invention below in conjunction with accompanying drawing, further illustrate the technology of the present invention solution.

Embodiment 1. With reference to figure 1-Figure 11. Found out by these figure, this is that an impeller 1 is double-layer and double-side structure, air absorbing body12 with oil resistance body 13 be integral type structure, the interior two-sided suction fume exhauster with cooking fume remover 10 of oil resistance body 13.

Found out by Fig. 1-Fig. 5 and Figure 11, air absorbing body 12 is the backboards that are fixed on gear oil smoke cover 8 by two bracing frames 78-1 is upper, and as shown in figure 11, its one end is fixedly connected on the backboard 8-1 of gear oil smoke cover 8 structure of two bracing frames 7,Axis hole 7-1 on support 7 is opening, axis hole 7-1 is darker and laterally extending certain distance. With further reference to Fig. 2 and Fig. 3,Air absorbing body 12 is fixedly connected with nut 11 by connecting axle 12-3 with two bracing frames 7, therefore, can adjust as required∠ β between the backboard 8-1 of the plane of the air absorbing body 12 at air admission hole place, positive and negative and gear oil smoke cover 8, its angle can beBetween 0 °-90 °, adjust, the distance having furthered between air admission hole and kitchen range, has increased air-breathing area, and with 15 °-30 ° better, withReach the best effects of fume exhaust. As shown in Figure 1, between air absorbing body 12 and gear oil smoke cover 8 left baffle (being side shield) 8-2Space be left and right oil smoke air duct 20, the space between air absorbing body 12 lower surfaces and backboard 8-1 lower surface is lower oil smokeAir duct 21; As shown in Figure 2, Figure 4 shows, the space between air absorbing body 12 reverse side and backboard 8-1 is rear oil smoke air duct 22,Space between air absorbing body 12 upper surfaces and overhead gage 8-3 is upper oil smoke air duct 23.

The structure of air absorbing body 12 and oil resistance body 13 and annexation are as shown in Fig. 1-Fig. 7. Air absorbing body 12 with oil resistance body 13 isIntegral structure. Because the air absorbing body of smoke exhaust ventilator is volute type structure, its air channel is (steam vent 9 from initial point to destination nodePlace) be to become gradually large. Taking the present embodiment as example, with reference to figure 6, its steam vent 9 is in left side, and the initial point in its air channel is in upper leftAngle is near the right side of steam vent 9, therefore, the air channel of this air absorbing body, from upper air duct, right air channel, lower air duct, left air channel to steam vent9 sectional area is to become gradually large, and the area that seals their positive and negative two sides shell is also to become gradually large, suction hole so12-1 is in the middle position of this air absorbing body, causes the different length of distance between its positive and negative shell and its side shell, causesPositive and negative shell can not, directly as the inwall of oil resistance body, therefore must improve air absorbing body positive and negative shell. ImproveMode is apart from the nearer positive and negative shell extension certain length of side shell, to make air absorbing body to major general's air absorbing body suction hole 12-1 edgePositive and negative shell becomes the inwall of oil resistance body 13, here, is exactly in fact by the double-edged shell of upper air duct and right air channelExpand respectively certain length upwards, to the right, and for attractive in appearance, the length of prolonging on upper air duct shell, with this upper air duct shellWhole width is consistent with lower air duct outer casing width is advisable, and the length that right air channel shell extends is to the right wide with whole right air channel shellDegree and consistent being advisable of left air channel outer casing width, so just formed one taking suction hole 12-1 as the center of circle, symmetrical, right up and downThe air absorbing body shell claiming, this shell has reached the condition as oil resistance body 13 inwalls completely. And sometimes in order to meet air absorbing bodyPositive and negative shell needs as the inwall of oil resistance body and is attractive in appearance, may want extension certain length in the surrounding of suction hole 12-1,Just the length of extension is not etc. On the inwall of this oil resistance body, in the edge of self-priming pore 12-1 has outwards been fixedly connected sequentiallyChip washer 13-2 and outer chip washer 13-3, have certain distance between two oil resistance ribs, to make the gear oil on cooking fume remover 10In Gai space, limit. The height of height >=interior chip washer 13-2 of outer chip washer 13-3, and to be greater than the height of interior chip washer 13-2Degree, for well, stops oil strain to enter the better effects if of air absorbing body like this. And, as required outside chip washer 13-3 outsideSide increases chip washer again, and namely the quantity of outer chip washer can also be two or more. The outer wall warp of oil resistance body 13Sidewall is fixedly connected with in limit portion with its inwall, and here, the sidewall of oil resistance body 13 forms outer wall surrounding infolding, the two itBetween angle be obtuse angle, therefore, after its sidewall is connected with inwall, formed a centre with air admission hole 13-1, surrounding hasThe oil resistance body 13 in tapering oil resistance chamber, so not only attractive in appearance, but also be conducive to oil smoke and air flow. The diameter of air admission hole 13-1 is greater thanThe diameter of suction hole 12-1, this structure can ensure that the diameter of cooking fume remover 10 is greater than the diameter of suction hole 12-1, thereby hasEffect avoids oil smoke directly to enter in air absorbing body 12. The axle of motor extends at positive and negative both direction, on it, has respectively been fixedly connected with oneIndividual cooking fume remover 10, this cooking fume remover is contained in oil resistance body 13. At the outer wall of oil resistance body 13 air admission hole 13-1 edgesInner side has been fixedly connected with and has connect scraper ring 24, and this connects the diameter of diameter >=air admission hole 13-1 at scraper ring 24 two ends. That is to say, connect scraper ring24 can be with air admission hole 13-1 edge outer wall inside connected vertically circular, at this moment connect the diameter phase at scraper ring 24 two endsDeng. Also can be with air admission hole 13-1 edge outer wall inside bell mouth shape connected vertically, when connecing scraper ring 24 for bell mouth shapeTime, the diameter of flared end is greater than the diameter that is connected and fixed end, at this moment connects the flared end of scraper ring 24 to the oil resistance chamber of oil resistance bodyTilt, flow to this oil connecing on scraper ring and can flow to more smoothly in oil resistance chamber. On the interior chip washer 13-2 of oil resistance body 13, establish withThe flat rib 13-2.1 that it intersects and is fixedly connected with. Before and after the axle of motor 17, extend, on it, be respectively fixedly connected with an oil smokeClarifier 10, they are all by axle sleeve 2 and screw 3 and motor reel fixed-link. This cooking fume remover be positioned at impeller 1 outsidePortion, and be contained in oil resistance body 13. The detailed structure of cooking fume remover 10 is shown in ZL20091002073.X patent. Increase oil resistance body13 and cooking fume remover 10 after, make this smoke exhaust there is oil strain and oil resistance function, and compact conformation, attractive in appearance, really reachArrive impeller and air absorbing body inside and exempted to clean, ensured that smoke exhaust effect is unaffected.

Impeller 1 is fastened on the structure in air absorbing body with motor 17, and the structure of impeller is as Fig. 4, Fig. 8-Figure 10Shown in. Impeller 1 is double-layer and double-side structure. It comprises intra vane 5, outer leafs 6, wheel body 1-1, annular support plate 4, axle sleeve 2 and screw3. It is socketed on motor 17 by wheel body 1-1, and is fixed on motor reel by axle sleeve 2 and screw 3, and motor 17 is logicalCrossing support 18 is fixed in air absorbing body 12. On the shell of wheel body 1-1, be provided with louvre 1-1.1, outside these louvres are distributed inOn the front end face and side of shell, can make the gas that enters impeller timely the heat of motor be taken away, avoid electric motor overheating,Extend the service life of motor. On annular support plate 4, be provided with through hole 4-2, like this, annular support plate 4 just has through hole 4-2 and gusset4-1 composition, for attractive in appearance they are made as fan-shaped. The gas that can make to enter in air absorbing body 12 is inhaled into and delivers to exhaust in timeMouthful, improve suction effect.

Operation principle. Press the starting switch 14 of lampblack absorber, motor 17 impeller 1 and cooking fume remover 10 1 run upMoving, make the interior formation vacuum of air absorbing body 12, produce suction, soot gas is replenished vacuum under self pressure. Part oil smoke firstAir admission hole 13-1 and positive cooking fume remover 10 by oil resistance body 13 enter in air absorbing body 12, and other oil smoke passes through respectivelyThe oil smoke air duct 20 of the right and left, lower oil smoke air duct 21, upper oil smoke air duct 23 and rear oil smoke air duct 22,Enter in the air admission hole 13-1 of oil resistance body 13 reverse side and the cooking fume remover 10 of reverse side, and enter again in air absorbing body 12. Oil smoke existsDuring through the cooking fume remover 10 on positive and negative two sides, with the rapid collision of its generation, oil or fat particles becomes greatly gradually, and at centrifugal forceEffect under be concentrated on its circumference, the oil droplet on circumference is thrown in the oil resistance chamber of oil resistance body 13 again, oil droplet is through being positioned at resistanceStream hydraulic fluid port 16 and the drainage plate 19 of bottom, oil body oil resistance chamber flow in oil collection box 15, and oil smoke is just being entered before impeller by effectivelyPurification, both avoided the pollution of oil smoke to impeller and air absorbing body 12, make again oil smoke can not be discharged in atmosphere, effectively reduced skyGas pollutes, and the oil smoke after being filtered is discharged through steam vent 9. Due to the effect of interior chip washer 13-2 and outer chip washer 13-3, effectivelyThe oil strain of having avoided being thrown in oil resistance chamber rebounds in impeller and air absorbing body 12 again, has reached impeller, motor and suction completelyGas interior is exempted to clean, and makes the gas of discharge without the object of oil smoke and environmental protection.

Embodiment 2. On embodiment 1 basis, improve, can be with reference to figure 1-Figure 11, and improve as follows, onlyOil resistance body 13 about in figure and cooking fume remover 10 are removed, and the structure of other parts is constant, has formed and there is no fume purifyingSmoke exhaust with oil resistance function.

In like manner, the technical solution providing according to the present invention, can also provide multiple embodiment. For example,, with above realityExecute example 1 and compare, the structure of other parts does not change, and only two-sided double-deck impeller is made into the mist extractor of two-sided individual layer impellerMachine, just mist extractor effect is slightly poor, but more simple in structure; Or compared with embodiment 1, the structure of other parts is constant, onlyOnly make to be fixedly connected with as follows air absorbing body 12 into mode, i.e. the upper and lower side of air absorbing body 12 reverse side with the connected mode of gear oil smoke cover 8The smoke exhaust that portion is fixedly connected with the bottom of backboard 8-1 with the front portion of overhead gage 8-3 of gear oil smoke cover 8 respectively, with enforcementExample 1 is compared, and the angle of inclination beta of air absorbing body 12 is fixed, and cooking fume remover 10 and the oil resistance body 13 of cleaning, clear up reverse side are not too convenient.Or compared with enforcement 1, the structure of other parts is constant, and being does not only have through hole 4-2 on annular support plate 4, take turns at double-impellerOn the shell of body 1-1, there is no the smoke exhaust of louvre 1-1.1. Or compared with enforcement 1, the structure of other parts is constant, onlyOnly that the angle of inclination beta of air absorbing body 12 is respectively the smoke exhaust of 15 °, 18 °, 20 °, 22 °, 25 °, 30 °, this etc. embodiment allIt is protection scope of the present invention.

Claims

1. a two-sided suction fume exhauster, comprises by positive and negative shell, the air absorbing body of side shell and suction hole (12-1) composition(12), gear oil smoke cover (8), motor (17), double-impeller (1), be positioned at annular support plate (4) on described double-impeller (1) andSteam vent (9), is characterized in that, between the plane of air absorbing body (12) positive and negative shell and the backboard (8-1) of gear oil smoke cover (8)∠ β be 0 °-90 °, at least air absorbing body (12) and gear oil smoke cover (8) left baffle between, and backboard (8-1) between establishThere is oil smoke air duct, establish the oil resistance body (13) being connected as a single entity with it, air absorbing body positive and negative at the tow sides of air absorbing body (12)Shell extension certain length, makes air absorbing body positive and negative shell become the inwall of oil resistance body (13), on the inwall of this oil resistance body,The edge of self-priming pore (12-1) be outwards fixedly connected sequentially interior chip washer (13-2) and outer chip washer (13-3), two chip washersBetween have certain distance, the height of the height >=interior chip washer (13-2) of outer chip washer (13-3), the outer wall warp of oil resistance body (13)Sidewall is fixedly connected with in limit portion with its inwall, has the air admission hole (13-1) concentric with suction hole (12-1), air admission hole (13-on it1) diameter of diameter >=suction hole (12-1), the axle of motor extends in forward and reverse direction, has respectively been fixedly connected with one on itCooking fume remover (10), this cooking fume remover is contained in oil resistance body (13).

2. two-sided suction fume exhauster according to claim 1, is characterized in that, air absorbing body (12) positive and negative shell flat∠ β between the backboard (8-1) of face and gear oil smoke cover (8) is 15 °-30 °.

3. two-sided suction fume exhauster according to claim 1 and 2, is characterized in that, air absorbing body (12) is by two supportsFrame (7) is fixedly connected in gear oil smoke cover (8), air absorbing body (12) each side have a connecting axle of stretching out (12-3),Support (7) has axis hole (7-1) with its corresponding position, and is fixedly connected with at axis hole place, on annular support plate (4), is provided with through hole (4-2), on the shell of double-impeller wheel body (1-1), be provided with louvre (1-1.1).

4. two-sided suction fume exhauster according to claim 1 and 2, is characterized in that, the diameter of interior chip washer (13-2) withThe equal diameters of suction hole (12-1), and on the outer end of this interior chip washer (13-2), establish the flat rib (13-being fixedly connected with it2.1)。

5. two-sided suction fume exhauster according to claim 1 and 2, is characterized in that, at oil resistance body (13) air admission hole (13-1) outer wall of edge inner side has been fixedly connected with and has connect scraper ring (24), and this connects the diameter >=air admission hole (13-1) at scraper ring (24) two endsDiameter.

6. two-sided suction fume exhauster according to claim 4, is characterized in that, on oil resistance body (13) air admission hole (13-1) limitThe outer wall inner side at edge place has been fixedly connected with and has connect scraper ring (24), and this connects diameter >=air admission hole (13-1) straight at scraper ring (24) two endsFootpath.