CN206222429U - One kind rotation sucking kitchen ventilator - Google Patents
One kind rotation sucking kitchen ventilator Download PDFInfo
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- CN206222429U CN206222429U CN201621313593.8U CN201621313593U CN206222429U CN 206222429 U CN206222429 U CN 206222429U CN 201621313593 U CN201621313593 U CN 201621313593U CN 206222429 U CN206222429 U CN 206222429U
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- air
- staving
- impeller
- main
- auxiliary impeller
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Abstract
The utility model discloses one kind rotation sucking kitchen ventilator, including fan shroud and the main air blower being arranged in fan shroud, the main air blower includes air inlet directed downwardly, it is characterised in that：The air inlet lower section of the main air blower is provided with accessory fan, the accessory fan includes the staving of upper/lower terminal opening, and auxiliary impeller, the auxiliary impeller is the centrifugal impeller being placed coaxially in staving, the first passage of air-flow is formed in the middle of the auxiliary impeller, the second channel of air-flow is formed between the auxiliary impeller and staving madial wall.Rotate to form eddy flow by the auxiliary impeller in staving, do not use external complement air-flow, do not lose the air quantity of range hood not only so, while making negative pressure lower edge, enhance smoke absorption effect；The air draught from staving is changed to by common hemisphere face air draught by by the air intake of main air blower, fume-exhausting efficiency has larger lifting.
Description
Technical field
The utility model is related to a kind of range hood, especially a kind of rotation sucking kitchen ventilator.
Background technology
Range hood has turned into one of machine for kitchen use equipment indispensable in Modern Family.Range hood is in use state
Under air draft flow depend primarily on the blast of cooking-fume exhauster blower system, blast is bigger, and air draft flow is also bigger.Normal domestic use
Range hood when in use, oil smoke needs to discharge oil smoke by drag devices such as smoke exhaust pipe, check (non-return) valve and discharge flues, this
The presence of a little drag devices so that oil smoke has certain back pressure at oil smoke outlet, and the presence of back pressure can largely effect on oil
The air draft flow of cigarette machine.The blast of blower fan system has a positive effect to the air draft flow of range hood, and the presence of back pressure is then to inhaling
The air draft flow of lampblack absorber plays negative consequence.
Usual range hood includes top suction type and side-suction type, and the range hood of top suction type is empty due to clean and tidy light and handy, occupancy
Between it is small the advantages of, it is and in an increasingly wide range of applications.Top-sucking kitchen ventilator generally includes exhaust fume collecting hood, on exhaust fume collecting hood
Blower housing, is provided with spiral case, impeller and drives the motor of impeller in blower housing.Blower fan can be crouched using vertical or horizontal
A kind of top suction type tower range hood as disclosed in the Chinese patent of the Application No. 200720111155.8 of the applicant of formula,
Including casing, the exhaust fume collecting hood being connected to below casing, air-ducting ring and guard, built with spiral case, spiral case is built with impeller, snail for casing
The inlet air mouth down of shell and air outlet is provided with the air inlet concentric with the air intake vent and impeller of spiral case upward, on exhaust fume collecting hood.But
This range hood, negative pressuren zone cannot downwards expand extension, and the effect of fume-exhausting is limited.
Utility model content
Technical problem to be solved in the utility model is directed to the problem that above-mentioned prior art is present, there is provided one kind lifting
Hold together the rotation sucking kitchen ventilator of cigarette ability.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：One kind rotation sucking kitchen ventilator, including
Fan shroud and the main air blower being arranged in fan shroud, the main air blower include air inlet directed downwardly, it is characterised in that：The main wind
The air inlet lower section of machine is provided with accessory fan, and the accessory fan includes the staving of upper/lower terminal opening, and auxiliary lobe
Wheel, the auxiliary impeller is the centrifugal impeller being placed coaxially in staving, and the first of air-flow is formed in the middle of the auxiliary impeller
Passage, forms the second channel of air-flow between the auxiliary impeller and staving madial wall.
To avoid oil smoke flow leakage, the main air blower includes air inlet component, and the air inlet is opened in the air intake
On mouth component, the upper end edge of the staving and the edge of air inlet component are abutted.
In order that obtaining, the flowing of staving interior air-flow is smooth, reduction is because of the whirlpool of the unreasonable generation of runner, the upper end of the staving
Seamlessly transitted between portion and air inlet component.
For cause oil smoke air-flow can from auxiliary impeller in the middle of negative pressure first passage by and flow up, the auxiliary lobe
Wheel includes the stand-by motor of wheel disc and the connection of wheel disk center, and the wheel disc is Openworks shape.
Preferably, the main air blower includes the main motor of spiral case, the main impeller in spiral case and driving main impeller,
The air inlet component is arranged on the bottom of spiral case.
In order to further such that staving interior air-flow flowing it is smooth, reduce because of the whirlpool of the unreasonable generation of runner, the main lobe
Spacing between wheel and auxiliary impeller is no less than 100mm.
Crossing conference due to spacing causes to be collided by the air-flow behind auxiliary lobe wheel blade road and staving madial wall, produces whirlpool
Whirlpool, so as to be unfavorable for that the flow rotation for flowing to staving madial wall is drawn up, therefore in the periphery and staving of the auxiliary impeller
Spacing between the wall of side is not more than 20mm.
Compared with prior art, the utility model has the advantage of：Rotate to form rotation by the auxiliary impeller in staving
Stream, does not use external complement air-flow, does not lose the air quantity of range hood not only so, while making negative pressure lower edge, strengthens
Smoke absorption effect；The air draught from staving, fume-exhausting efficiency are changed to by common hemisphere face air draught by by the air intake of main air blower
There is larger lifting.
Brief description of the drawings
Fig. 1 is the schematic diagram of range hood of the present utility model；
Fig. 2 is the decomposition texture schematic diagram of range hood of the present utility model；
Fig. 3 is the sectional view of range hood longitudinal direction of the present utility model；
Fig. 4 is the horizontal sectional view of range hood of the present utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1~Fig. 4, one kind rotation sucking kitchen ventilator, including fan shroud 1 and the main air blower being arranged in fan shroud 1
2, for ease of clearly illustrating the structure in fan shroud 1, part fan cover 1 is only shown in Fig. 1.
In the present embodiment, main air blower 2 uses horizontal type centrifugal blower, and its structure is identical with conventional centrifugal blower, including
The main motor 23 of spiral case 21, the main impeller 22 in spiral case 21 and driving main impeller 22.The spiral case 21 of main air blower 2 goes out
Air port is provided with outlet housing 3.The bottom of spiral case 21 has air inlet component 24, and air inlet 25 is offered on air inlet component 24,
So as to guide cooking fume flow to it is enterprising enter main impeller 22.
Lower section just to the air inlet 25 of main air blower 2 is provided with accessory fan 4, and accessory fan 4 includes staving 41, is arranged on
Auxiliary impeller 42 in staving 41 and the stand-by motor 43 for driving auxiliary impeller 42.Auxiliary impeller 42 is existing centrifugation leaf
Wheel, including multiple blades 421 and wheel disc 422, the axial direction for aiding in impeller 42 is vertical direction, and coaxial with staving 41, wheel disc 422 is in
Hollow out so that air-flow can from the negative pressure channel in the middle of auxiliary impeller 42 by and flow up.Stand-by motor 43 passes through motor
Support 44 is fixed on inside the upper end of staving 41, and the output shaft 431 of stand-by motor 43 is connected to the center of wheel disc 422.Staving 41
Upper/lower terminal opening, end edge with the edge of air inlet component 24 along abutting thereon so that the air inlet of air inlet component 24
25 are located in the upper end of staving 41, to avoid oil smoke flow leakage.
Auxiliary impeller 42 in accessory fan 4 drives rotation by stand-by motor 43, so as to drive the inside of staving 41 and bucket
The air of the lower section of body 41, is allowed to rotate, and causes its center air by blade 421 in staving 41 while aiding in impeller 42 to rotate
Wall flow, so as to form a negative pressure first passage P1 in the middle of auxiliary impeller 42 so that negative pressure lower edge, and in auxiliary impeller
Second channel P2 is formed between 42 and the madial wall of staving 41.Combined by the main air blower 2 with top so that the first passage of staving 41
Air-flow in P1 and second channel P2 is all moved upwards, so that soot gas in the pan on kitchen range below range hood
Quick rotation upwards is inhaled, without escaping.In said process, air current flow path is as shown in arrow in Fig. 3 and Fig. 4.
In order that the flowing of the interior air-flow of staving 41 is smooth, reduce because of the whirlpool of the unreasonable generation of runner, main impeller 22 and auxiliary
The spacing helped between impeller 42 no less than 100mm distance, and staving 41 upper end and air inlet component 24 between it is smoothed
Cross.Aid in impeller 42 periphery and the madial wall of staving 41 between spacing be not more than 20mm, due to spacing cross conference cause by
Air-flow behind auxiliary impeller 42 leaf road collides with the madial wall of staving 41, whirlpool is produced, so as to be unfavorable for flowing in staving 41
The flow rotation of side wall is drawn up.By the staving that the air intake of main air blower 2 is changed to the application by common hemisphere face air draught
Air draught in 41, fume-exhausting efficiency has larger lifting.
Device is inhaled compared to other rotations, the application is to rotate to form eddy flow by the auxiliary impeller 42 in staving 41,
External complement air-flow is not used, the air quantity of range hood is not lost not only so, while making negative pressure lower edge, enhances suction
Oil smoke effect.
Claims (7)
1. a kind of rotation sucking kitchen ventilator, including fan shroud (1) and the main air blower (2) being arranged in fan shroud (1), the main wind
Machine (2) includes air inlet directed downwardly (25), it is characterised in that：Air inlet (25) lower section of the main air blower (2) is provided with auxiliary
Blower fan (4), staving (41) of the accessory fan (4) including upper/lower terminal opening, and auxiliary impeller (42), the auxiliary
Impeller (42) is the centrifugal impeller being placed coaxially in staving (41), and the first of air-flow is formed in the middle of the auxiliary impeller (42)
Passage (P1), forms the second channel (P2) of air-flow between described auxiliary impeller (42) and staving (41) madial wall.
It is 2. as claimed in claim 1 to revolve sucking kitchen ventilator, it is characterised in that：The main air blower (2) includes air inlet component
(24), the air inlet (25) is opened on the air inlet component (24), the upper end edge and air intake of the staving (41)
The edge of mouth component (24) is abutted.
It is 3. as claimed in claim 2 to revolve sucking kitchen ventilator, it is characterised in that：The upper end of the staving (41) and air inlet
Component is seamlessly transitted between (24).
It is 4. as claimed in claim 1 to revolve sucking kitchen ventilator, it is characterised in that：Auxiliary impeller (42) is including wheel disc
(422) and wheel disc (422) center connection stand-by motor (43), the wheel disc (422) is Openworks shape.
It is 5. as claimed in claim 1 to revolve sucking kitchen ventilator, it is characterised in that：The main air blower (2) includes spiral case (21), position
In the main impeller (22) in spiral case (21) and the main motor (23) of driving main impeller (22), the air inlet component (24) sets
Put the bottom in spiral case (21).
It is 6. as claimed in claim 5 to revolve sucking kitchen ventilator, it is characterised in that：The main impeller (22) and auxiliary impeller (42)
Between spacing be no less than 100mm.
7. the rotation sucking kitchen ventilator as any one of claim 1~6, it is characterised in that：Auxiliary impeller (42)
Periphery and staving (41) madial wall between spacing be not more than 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313593.8U CN206222429U (en) | 2016-12-02 | 2016-12-02 | One kind rotation sucking kitchen ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313593.8U CN206222429U (en) | 2016-12-02 | 2016-12-02 | One kind rotation sucking kitchen ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206222429U true CN206222429U (en) | 2017-06-06 |
Family
ID=58785315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621313593.8U Active CN206222429U (en) | 2016-12-02 | 2016-12-02 | One kind rotation sucking kitchen ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206222429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594826A (en) * | 2016-12-02 | 2017-04-26 | 宁波方太厨具有限公司 | Rotary suction type extractor hood |
-
2016
- 2016-12-02 CN CN201621313593.8U patent/CN206222429U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594826A (en) * | 2016-12-02 | 2017-04-26 | 宁波方太厨具有限公司 | Rotary suction type extractor hood |
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