CN207094707U - A kind of top-sucking kitchen ventilator with blower mechanism - Google Patents

Abstract

The utility model discloses a kind of top-sucking kitchen ventilator with blower mechanism, including exhaust fume collecting hood, formed with cavity in the exhaust fume collecting hood, blower mechanism is provided with the cavity, the blower mechanism includes accessory fan and exhaust apparatus, it is characterised in that：The exhaust apparatus includes can be relative to the body that exhaust fume collecting hood rotates and the air-out passage being opened on body, and the part body is exposed to below exhaust fume collecting hood, and body is run through at the both ends of the air-out passage.By setting rotatable exhaust apparatus so that the air outlet angle of exhaust apparatus is adjustable, so as to for different culinary art scenes, targetedly adjust the effective control area of oil smoke, improve soot controlling ability, avoid fumes escaping.

Description

A kind of top-sucking kitchen ventilator with blower mechanism

Technical field

Machine for kitchen use is the utility model is related to, especially a kind of top-sucking kitchen ventilator with blower mechanism.

Background technology

Range hood turns into one of machine for kitchen use equipment indispensable in Modern Family, is cooked for discharging cooking stove Caused oil smoke in journey.Usual range hood includes top suction type and side-suction type, and the range hood of top suction type is due to clean and tidy light Ingeniously, the advantages that occupying little space, and it is in an increasingly wide range of applications.Top-sucking kitchen ventilator generally includes exhaust fume collecting hood, is located at Blower housing on exhaust fume collecting hood, centrifugal blower is installed in blower housing.

The range hood of conventional top suction type, it is a kind of as disclosed in the Chinese patent of Application No. 201410704669.9 to inhale Lampblack absorber, including the exhaust fume collecting hood with inlet scoop, it is arranged on the wind cabinet on exhaust fume collecting hood top, is arranged on the interior wind for carrying spiral case of wind cabinet Machine, by the effect of blower fan, negative pressure is formed while the gas in wind cabinet is discharged so as to which the oil smoke of outside is sucked in wind cabinet, Realize the purpose of fume-exhausting.

Above-mentioned this top-sucking kitchen ventilator have the advantages that it is classical attractive in appearance, but also because of the limitation of its installation dimension, away from From the 650~750cm of requirement for height in kitchen range top face, negative pressuren zone focuses primarily upon central area below smoke collecting chamber, to smoke collecting chamber edge Soot controlling ability it is weaker, therefore very big influence is generated on smoke absorption effect, and anti-interference is poor.

Therefore, improved range hood is there is now, as disclosed in the Chinese patent of Application No. 201020166285.3 A kind of oil smoke distribution air curtain, including airduct, connector, blowing mouth, blast pipe, inhale pin, air door, kitchen range composition, by oil smoke collection Scattered air curtain is arranged at kitchen range periphery, and wind regime leads in each bar airduct after entering blast pipe, by each blowing mouth wind direction Upper constantly output, form kitchen range surrounding and blow the air curtain risen upwards together, the oil droplet for making to be distributed, oil smoke rise with blowing upwards Air curtain brings lampblack absorber suction force range into；A kind of and for example Smoke prevention disclosed in the Chinese patent application of Application No. 201610461717.5 The oily fume exhauster of mist diffusion, is made up of, protection from fumes diffusion system is also main exhaust system, protection from fumes diffusion system and liquor collecting system Including poly- cigarette blower fan and four scalable airducts, it is separately positioned at four angles of exhaust fume collecting hood bottom between two adjacent screens In space, one is provided with the tube wall of scalable airduct and lists air holes, poly- cigarette blower fan is arranged on the upper end of scalable airduct.

But these above-mentioned prior arts, blower mechanism after installation, i.e., fix, can only by the relative position with exhaust fume collecting hood Dried by level, or both sides are dried downwards with an angle fixed, it is impossible to blowing direction and downward angle are controlled, it is right Caused oil smoke does not have specific aim under different scenes, and control ability is weaker, therefore need further to improve.

Utility model content

Technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing a kind of improve The top-sucking kitchen ventilator with blower mechanism of soot controlling ability.

Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of top suction type with blower mechanism Range hood, including exhaust fume collecting hood, formed with cavity in the exhaust fume collecting hood, blower mechanism, the blowing are provided with the cavity Mechanism includes accessory fan and exhaust apparatus, it is characterised in that：The exhaust apparatus includes the body that can be rotated relative to exhaust fume collecting hood With the air-out passage being opened on body, the part body is exposed to below exhaust fume collecting hood, and the both ends of the air-out passage are run through Body.

Preferably, rotated for ease of body, the body is spherical in shape, and the body peripheral is provided with track, the track Upper/lower terminal opening, the internal perisporium of the track is adapted to the periphery wall of the body, on the body peripheral wall, is in Symmetrical two positions of the heart are respectively arranged with rotating shaft, and it is recessed that the rotation being radially outward recessed is provided with the internal perisporium of the track Groove, the rotating shaft are placed in turning groove and worked in coordination.

For ease of forming air-out passage, formed with least one dividing plate in the body, the air-out passage formed every The both sides of plate.

The dividing plate includes parallel, spaced apart at least two, radial direction or with radial direction flat of each dividing plate along body The extension in capable direction, the air-out passage include parallel, spaced apart at least three, and each air-out passage is along body Radially or the extension with radial parallel direction, the height of the track are not less than the whole height of each air-out passage and dividing plate.

For ease of body rotational positioning, the outer end of the dividing plate of the top is provided with the first spacing preiection, the rail Position corresponding to the internal perisporium in road is provided with the limited impression being radially outward recessed, and first spacing preiection and limited impression are mutual It is engaged.

Automatically to control the startup of accessory fan, it is further opened with the track, in the limited impression of the top First perforation, the blower mechanism also include the pressure responsive element through the described first perforation, the pressure responsive element position End on the inside of track abuts with the first spacing preiection.

To limit the maximum rotation angle of body, also set up on the periphery wall that the body is located at outside dividing plate and air-out passage There is the second spacing preiection.

For ease of guide accessory fan air-flow, the blower mechanism also include by accessory fan blowout air-flow guide to The air ducting of exhaust apparatus, the air-out passage of the exhaust apparatus are rotationally connected or closed with air ducting, the collection cigarette Position corresponding with the air inlet of accessory fan offers gas supplementing opening on cover.

Preferably, the exhaust fume collecting hood includes the bottom plate of lower cover, vertical side plate, upper cover plate and level, the lower cover From outer ledge to centre in being inclined upwardly, the lower cover smoke collecting chamber formed below, the outer ledge of the lower cover connects To the inside edge of bottom plate, the outer ledge of the bottom plate is connected to the bottom of side plate, and the top of the side plate is connected to lid The outer ledge of plate, the cavity is limited between the upper cover plate, lower cover, side plate and bottom plate.

To cause oil smoke air-flow effectively to gather, the blower mechanism includes two of the left and right both ends in front side in cavity, And two of the left and right both ends of rear side in cavity, the air-out passage of the exhaust apparatus of two blower mechanisms of front side prolongs Direction, the side plate of relative front side are stretched flatly to post deflection certain angle；The exhaust apparatus of two blower mechanisms of rear side goes out The bearing of trend of wind passage, the side plate of opposite posterior flatly deflect forward certain angle.

Compared with prior art, the utility model has the advantage of：By setting rotatable exhaust apparatus so that air-out The air outlet angle of device is adjustable, so as to for different culinary art scenes, targetedly adjust the effective control area of oil smoke, carry High soot controlling ability, avoids fumes escaping.

Brief description of the drawings

Fig. 1 is the structural representation of range hood of the present utility model；

Fig. 2 is the sectional view of range hood of the present utility model；

Fig. 3 is the decomposition texture schematic diagram of the blower mechanism of range hood of the present utility model；

Fig. 4 is the exhaust apparatus schematic diagram of the blower mechanism of range hood of the present utility model；

Fig. 5 is the partial sectional view of the blower mechanism of range hood of the present utility model；

Fig. 6 is the structural representation of the track of the blower mechanism of range hood of the present utility model；

Fig. 7 is the blower mechanism closure state schematic diagram of range hood of the present utility model；

Fig. 8 is that the blower mechanism of range hood of the present utility model is in the view of the first scene；

Fig. 9 is that the blower mechanism of range hood of the present utility model is in the view of second of scene；

Figure 10 is that the blower mechanism of range hood of the present utility model is in the view of the third scene；

Figure 11 is that the blower mechanism of range hood of the present utility model is in the view of the 4th kind of scene.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing embodiment.

Referring to Fig. 1~Fig. 6, a kind of top-sucking kitchen ventilator with blower mechanism, including exhaust fume collecting hood 1 and positioned at exhaust fume collecting hood The cabinet 2 of 1 top, is provided with main air blower 3 in cabinet 2, main air blower 3 can be preferably centrifugal blower.For ease of description, under Wen Zhong, "front", "rear", "left", "right", " on ", " under " each mean user when using range hood, range hood relative to The orientation of user, and structure is not limited.

In the present embodiment, air inlet 11 is offered on exhaust fume collecting hood 1, soot gas are inhaled into from air inlet 11, pass through master Blower fan 3 is discharged into common flue.Cabinet 2 includes four side walls 21, so as to surround the case that cross section is square or rectangular Body structure.

Exhaust fume collecting hood 1 includes the bottom plate 15 of lower cover 12, vertical side plate 13, upper cover plate 14 and level, above-mentioned air inlet 11 are opened among lower cover 12, and lower cover 12 is from outer ledge to centre in being inclined upwardly, and thus lower cover 12 is formed below Smoke collecting chamber 16.The outer ledge of lower cover 12 is connected to the inside edge of bottom plate 15, and the outer ledge of bottom plate 15 is connected to side plate 13 bottom, the top of side plate 13 are connected to the outer ledge of upper cover plate 14, and the inside edge of lower cover 12 and upper cover plate 14 is equal It is connected in the side wall 21 of the corresponding side of cabinet 2.Upper cover plate 14 can be with 12 equidirectional inclination of lower cover.Upper cover plate 14, lower cover 12nd, a cavity 17 is limited between side plate 13 and bottom plate 15.Above-mentioned lower cover 12, side plate 13, upper cover plate 14 and bottom plate 15 can To be integrally formed.

The bottom of side wall 21 of cabinet 2 extends to the part that lower cover 12 is located at around air inlet 11, and the side wall of cabinet 2 21 are fixedly connected with lower cover 12, upper cover plate 14.The bottom opening of cabinet 2, it is corresponding with air inlet 11, so as to which oil smoke enters collection After in cavity in petticoat pipe 1, it can be entered in cabinet 2 by air inlet 11.

In order to caused oil smoke under different scenes, targetedly be controlled, blowing is provided with cavity 17 Mechanism 4.In the present embodiment, blower mechanism 4 includes four, four corners being arranged in cavity 17.Each hair-dryer Structure 4 includes accessory fan 41, air ducting 42 and exhaust apparatus 43.Wherein, the upper cover plate 14 of exhaust fume collecting hood 1 and accessory fan 41 Position corresponding to air inlet offers gas supplementing opening 141, and gas supplementing opening 141 can be the form of multiple apertures, thereby guarantee that hair-dryer Structure 4 will not fail because of long-term work under oil pollution environment.Accessory fan 41 can use Small Centrifugal Fan.Air ducting 42 are used to the air-flow that accessory fan 41 is blown out is directed to exhaust apparatus 43 and blown out at a high speed.

Air ducting 42 includes the first guide duct 421, the second guide duct 422 and the 3rd guide duct 423, wherein, first leads The first end of airduct 421 is connected to the air outlet 411 of accessory fan 41, and the second end of the first guide duct 421 is connected to second and led The first end of airduct 422, the second end of the second guide duct 422 are connected to the first end of the 3rd guide duct 423, the 3rd guide duct 423 the second end abuts and closed with bottom plate 15.Second end of the first guide duct 421 down, and the second guide duct 422 and the 3rd Guide duct 423 extends in the vertical, and the bore at the end of the second guide duct 422 second is more than the bore of first end, and the 3rd leads Airduct 423 is both ends open, hollow cylinder.

Exhaust apparatus 43 includes body 431 spherical in shape, and body 431 is interior formed with least one dividing plate 432, dividing plate 432 Both sides form air-out passage 433 respectively, body 431 is run through at the both ends of each air-out passage 433.In the present embodiment, dividing plate 432 include parallel, spaced apart two, respectively first partition 4321 and second partition 4322, and each edge of dividing plate 432 The radial direction of body 431 or the extension with radial parallel direction, so as to which air-out passage 433 includes parallel, spaced apart three It is individual, and each radial direction of the air-out passage 433 along body 431 or the extension with radial parallel direction.Exhaust apparatus 43 is put In in the 3rd guide duct 423, and the 3rd guide duct 423 and bottom plate 15 at least partly are extended downwardly out, so as to be exposed to bottom plate 15 lower sections.

Rotated for ease of exhaust apparatus 43, track 44 is provided with the 3rd guide duct 423, track 44 goes to upper and lower both ends and opened The hollow cylindrical of mouth, exhaust apparatus 43 are partially disposed in track 44, the internal perisporium of track 44 and the body 431 of exhaust apparatus 43 Periphery wall shape and size adaptation.On the periphery wall of body 431, two positions being centrosymmetric be respectively arranged with rotating shaft 434, The turning groove 441 being radially outward recessed is provided with the internal perisporium of track 44, rotating shaft 434 can be placed in turning groove 441 And work in coordination, so that exhaust apparatus 43 can rotate in track 44.The height of track 44 is not less than each air-out passage 433 With the whole height of dividing plate 432.Thus, when needing to close blower mechanism 4, the both ends of air-out passage 433 respectively with track 44 Internal perisporium is corresponding, and the both ends of air-out passage 433 are closed.

One of dividing plate 432, as the outer end of first partition 4321 is provided with the first spacing preiection 4323, track 44 Corresponding position is provided with the limited impression 442 being radially outward recessed on internal perisporium, and in the present embodiment, limited impression 442 is It is upper and lower spaced apart three, corresponding with three air-out passages 433 respectively.Dividing plate 432, air-out passage 433 and limited impression 442 quantity can increase or decrease as needed.On track 44, in the limited impression 442 of the top, be further opened with first Perforation 443,423 corresponding position of the 3rd guide duct then offers the second perforation 4231, and pressure is provided with above-mentioned two perforation Power sensing element 45, and the end that pressure responsive element 45 is located on the inside of track 44 abuts with the first spacing preiection 4323.Pressure Power sensing element 45 and accessory fan 41 can be electrically connected to the control module of range hood, thus can pass through pressure sensing member The signal of part 45 automatically controls accessory fan 41.

The second spacing preiection 435 is additionally provided with the periphery wall that body 431 is located at outside dividing plate 432 and air-out passage 433, with Limit the extreme position that body 431 rotates.

The blowing angle of the exhaust apparatus 43 of two blower mechanisms 4 on front side of in cavity 17 is in vertical direction by smoke collecting chamber 16 Lower plane deflects down scope as 40~60 °, horizontal direction by the frontal plane of smoke collecting chamber 16 (side plate 13 in front) flatly backward Certain angle is deflected, such as to 30 ° of post deflection；The blowing angle of the exhaust apparatus 43 of two blower mechanisms of rear side is in vertical direction Deflect down 40~60 ° by the lower plane of smoke collecting chamber 16, horizontal direction by plane after smoke collecting chamber 16 (side plate 13 at rear) flatly Certain angle is deflected forward, such as deflects 40 ° forward.The angle of above-mentioned horizontal direction can determine when mounted.

The horizontal direction of two blowing directions of blower mechanism 4 in front side from the frontal plane fixation of smoke collecting chamber 16 to 30 ° of post deflection, this Sample effectively can be such that oil smoke gathers to center；Due to there is the presence of wall, cause the wall attachment effect of air-flow, therefore rear side two The horizontally arranged of the blowing direction of blower mechanism 4 is to be fixed to deflect 40 ° forward by the frontal plane of smoke collecting chamber 16.

When blower mechanism 4 does not work, (such as air-out passage 433 is in horizontal for 0 ° for the deflection angle of exhaust apparatus 43 State), the compressive pressure sensing element 45 of the first spacing preiection 4323 on exhaust apparatus 43, accessory fan 41 does not work, referring to figure 7.(such as the body 431 of exhaust apparatus 43 is being put down vertically when controlling the air-out passage 433 of exhaust apparatus 43 to deflect down manually Rotated clockwise in face), the first spacing preiection 4323 leaves pressure responsive element 45, and accessory fan 41 is started working.Pass through The spacing preiection 435 of track 44 and second, the deflection angle for limiting the air-out passage 433 of exhaust apparatus 43 (go out for 40 °~60 ° Angle between wind passage 433 and vertical direction).When the first spacing preiection 4323 and the limited impression 442 of the top coordinate, The deflection angle of air-out passage 433 is 0 °；When the first spacing preiection 4323 coordinates with middle limited impression 442, air-out is led to The deflection angle in road 433 is 40 °；When the first spacing preiection 4323 and the limited impression 442 of bottom coordinate, air-out passage 433 deflection angle is 60 °.

User can adjust blowing angle manually under different usage scenarios, such as using left side burner as main cooking furnace Head sets scene used below：

Usage scenario 1：Referring to Fig. 8, during the big cooking fume type cooking in the left side, the downward bias of air-out passage 433 of left front exhaust apparatus 43 Turn 40 °, the air-out passage 433 of left back exhaust apparatus 43 deflects down 40 °, now in the guide duct 423 of air-out passage 433 and the 3rd Portion connects, and the wind that accessory fan 41 is blown out can be located at into one end in the 3rd guide duct 423 to positioned at bottom plate from air-out passage 433 One end (on the inside of below towards range hood) blowout of 15 lower sections, blower mechanism 4 does not work before right and behind the right side.

Usage scenario 2：Referring to Fig. 9, when the left side diffuses the small cooking fume type cooking of type (such as pancake, fried egg), left front air-out dress The air-out passage 433 for putting 43 deflects down 60 °, and the air-out passage 433 of left back exhaust apparatus 43 deflects down 60 °, before the right and right side Blower mechanism 4 does not work afterwards.

Usage scenario 3：Referring to Figure 10, both sides simultaneously big cooking fume type cooking when, the air-out passage 433 of left front exhaust apparatus 43 to Lower 40 ° of deflection, the air-out passage 433 of left back exhaust apparatus 43 deflect down 40 °, it is right before exhaust apparatus 43 air-out passage 433 Deflect down 40 °, it is right after the air-out passage 433 of exhaust apparatus 43 deflect down 40 °.

Usage scenario 4：Referring to Figure 11, both sides diffuse the small cooking fume type cooking of type (such as pancake, fried egg) simultaneously when, it is left front go out The air-out passage 433 of wind apparatus 43 deflects down 60 °, and the air-out passage 433 of left back exhaust apparatus 43 deflects down 60 °, before right The air-out passage 433 of exhaust apparatus 43 deflects down 60 °, it is right after the air-out passage 433 of exhaust apparatus 43 deflect down 60 °.

When oil smoke is larger, the rate of climb of oil smoke is very fast, as long as therefore the less angle that deflects down just can effectively control Liquefaction cigarette；When cook generation diffuse the small oil smoke of type (such as pancake, fried egg) when, due to the bottom surface of smoke collecting chamber 16 apart from pot face compared with Far, it is therefore desirable to which the larger angle ability effectively control area that deflects down extends downwardly.

Claims (10)

1. a kind of top-sucking kitchen ventilator with blower mechanism, including exhaust fume collecting hood (1), interior formed of the exhaust fume collecting hood (1) is had time Chamber (17), the cavity (17) is interior to be provided with blower mechanism (4), and the blower mechanism (4) includes accessory fan (41) and air-out Device (43), it is characterised in that：The exhaust apparatus (43) includes the body (431) that can be rotated relative to exhaust fume collecting hood (1) and opened up Air-out passage (433) on body (431), the part body (431) are exposed to below exhaust fume collecting hood (1), and the air-out is led to Body (431) is run through at the both ends in road (433).

2. the top-sucking kitchen ventilator according to claim 1 with blower mechanism, it is characterised in that：The body (431) spherical in shape, body (431) periphery is provided with track (44), and the upper/lower terminal opening of the track (44) is described The internal perisporium of track (44) is adapted to the periphery wall of the body (431), on body (431) periphery wall, is centrosymmetric Two positions be respectively arranged with rotating shaft (434), be provided with the rotation being radially outward recessed on the internal perisporium of the track (44) Groove (441), the rotating shaft (434) are placed in turning groove (441) and worked in coordination.

3. the top-sucking kitchen ventilator according to claim 2 with blower mechanism, it is characterised in that：The body (431) formed in formed with least one dividing plate (432), the air-out passage (433) in the both sides of dividing plate (432).

4. the top-sucking kitchen ventilator according to claim 3 with blower mechanism, it is characterised in that：The dividing plate (432) parallel, spaced apart at least two are included, radial direction or with radial direction flat of each dividing plate (432) along body (431) The extension in capable direction, the air-out passage (433) include parallel, spaced apart at least three, each air-out passage (433) Along the radial direction of body (431) or the extension with radial parallel direction, the height of the track (44) is led to not less than each air-out The whole height in road (433) and dividing plate (432).

5. the top-sucking kitchen ventilator according to claim 3 with blower mechanism, it is characterised in that：Positioned at the top The outer end of dividing plate (432) is provided with the first spacing preiection (4323), and position corresponding to the internal perisporium of the track (44) is set There is the limited impression (442) being radially outward recessed, first spacing preiection (4323) and limited impression (442) are worked in coordination.

6. the top-sucking kitchen ventilator according to claim 5 with blower mechanism, it is characterised in that：The track (44) Be further opened with the first perforation (443) in limited impression (442) upper, positioned at the top, the blower mechanism (4) also include through The pressure responsive element (45) of first perforation (443), the pressure responsive element (45) are located at the end on the inside of track (44) Portion abuts with the first spacing preiection (4323).

7. the top-sucking kitchen ventilator according to claim 5 with blower mechanism, it is characterised in that：The body (431) it is additionally provided with the second spacing preiection (435) on the periphery wall of dividing plate (432) and air-out passage (433) outside.

8. the top-sucking kitchen ventilator according to claim 1 with blower mechanism, it is characterised in that：The blower mechanism (7) also include guiding the air-flow of accessory fan (41) blowout to the air ducting of exhaust apparatus (43) (42), the air-out dress The air-out passage (433) for putting (43) is rotationally connected or closed with air ducting (42), on the exhaust fume collecting hood (1) and accessory fan (41) position corresponding to air inlet offers gas supplementing opening (141).

9. according to the top-sucking kitchen ventilator according to any one of claims 1 to 7 with blower mechanism, it is characterised in that： The exhaust fume collecting hood (1) includes the bottom plate (15) of lower cover (12), vertical side plate (13), upper cover plate (14) and level, under described Cover plate (12) is in be inclined upwardly from outer ledge to centre, the lower cover (12) smoke collecting chamber formed below (16), the lower cover The outer ledge of plate (12) is connected to the inside edge of bottom plate (15), and the outer ledge of the bottom plate (15) is connected to side plate (13) Bottom, the top of the side plate (13) is connected to the outer ledge of upper cover plate (14), the upper cover plate (14), lower cover (12) cavity (17), is limited between side plate (13) and bottom plate (15).

10. the top-sucking kitchen ventilator according to claim 9 with blower mechanism, it is characterised in that：The hair-dryer Structure (4) includes two of the left and right both ends in front side in cavity (17), and the left and right both ends of rear side in cavity (17) Two, the bearing of trend of the air-out passage (433) of the exhaust apparatus (43) of two blower mechanisms (4) of front side, relatively front side Side plate (13) is flatly to post deflection certain angle；The air-out passage of the exhaust apparatus (43) of two blower mechanisms (4) of rear side (433) bearing of trend, the side plate (13) of opposite posterior flatly deflects forward certain angle.