CN200986255Y - Improved cooking fume draft fan - Google Patents
Improved cooking fume draft fan Download PDFInfo
- Publication number
- CN200986255Y CN200986255Y CN 200620175742 CN200620175742U CN200986255Y CN 200986255 Y CN200986255 Y CN 200986255Y CN 200620175742 CN200620175742 CN 200620175742 CN 200620175742 U CN200620175742 U CN 200620175742U CN 200986255 Y CN200986255 Y CN 200986255Y
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- impeller
- circle
- blade
- plate
- assembly
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Abstract
The utility model relates to an improved oil smoke absorber, which consists of an air passage and a smoke collecting shield. An electric motor and an impeller set are arranged in the air passage. The impeller set comprises an impeller ring component and an impeller plate component. The impeller ring component contains a plurality of impeller blades, with the impeller blades are provided with intervals. The impeller ring component also comprises a cavity with openings on two sides. The impeller plate component arranged in the cavity forms tow cavities with the two openings on two sides of the impeller ring component. In accord with axial direction of the impeller ring component, the impeller blades can be divided into rear blades and rear blades. The rear blades and the rear blades are deranged. Axis of the impeller plate is provided with a device which can fix motor shaft. The utility model butts two impeller with impeller blades of the two impeller rings are deranged. Therefore, wind enters from double surfaces the impellers rotate. Air intake and noise meet national standard. The utility model reduces cubage of the impeller and size of the air passage of the oil smoke absorber. The two impellers are driven by one motor so as to reduce power consumption of the oil smoke absorber.
Description
Technical field
The utility model relates to a kind of range hood, and feature is a kind of improved range hood.
Background technology
As Fig. 1, the inner employed impeller of in the market range hood, consider easily manufactured and cost lower, generally adopt single impeller, just have only an impeller circle, when wheel rotation, what an end opening place formed is the single face air intake.As shown in Figure 2, there is shown the situation of the range hood single face air intake when smoking that adopts single impeller, during wheel rotation, what the opening part of an end formed is the single face air intake.When adopting single impeller, for air quantity and noise are complementary and reach the standard of country and the user to oil suction cigarette effect of requirement, the diameter of this class impeller is all bigger, so that the stronger single face air intake of generation.So just caused the duct dimension of the range hood of installation impeller to become big accordingly, this has not only influenced the outward appearance of range hood, and waste material, raises the cost, and removes and installs also inconvenient.
Adopt the bilobed wheel structure in the existing range hood, be mostly with two independently impeller be arranged in the range hood, and drive respectively by two motors, this has not only increased the volume of range hood, and power consumption and cost of manufacture when having increased range hood work.Be called as the disclosed name of State Intellectual Property Office: " Aumbry type range hood ", the patent No. is in the utility model patent of " CN98236176.9 ", a kind of technical scheme that adopts bilobed wheel in range hood is disclosed, but in this technical scheme, two impellers are separate installations, and be connected with a motor respectively, this not only brings the increase on the number of motors, has more increased the power consumption of range hood and the size of range hood.
The utility model content
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of improved range hood.In range hood, adopt the bilobed wheel structure, two impellers are interconnected, and be connected with motor output shaft.The impeller blade mutual dislocation of two impellers is arranged, and forms double-faced ventilated.
The technical solution adopted in the utility model is: a kind of improved range hood, comprise the air channel, the exhaust fume collecting hood that is connected with described air channel, comprise a motor in the described air channel, one impeller assembly that is connected with described motor output shaft, described impeller assembly comprises the impeller coil assembly, the impeller plate assembly, described impeller coil assembly comprises impeller blade, separately arrangement between each impeller blade, it is characterized in that: described impeller coil assembly has the inner chamber of a both-side opening, described impeller plate assembly is arranged in described impeller coil assembly inner chamber, and form two cavitys with the opening of described impeller coil assembly both sides respectively, described impeller blade is divided into anterior impeller blade and rear portion impeller blade by the radial direction of described impeller coil assembly, the arrangement that misplaces mutually of described anterior impeller blade and rear portion impeller blade, the place, axle center of described impeller plate assembly is provided with the device of fixedlying connected with described motor output shaft.
The utility model also adopts following attached technical scheme: described impeller assembly comprises first impeller, second impeller, described first impeller comprises first impeller plate and the first impeller circle, described second impeller comprises second impeller plate and the second impeller circle, and the described first impeller circle is identical with the diameter of the second impeller circle; Described first impeller plate is positioned at the opening part of the first impeller circle, one side, described second impeller plate is positioned at the opening part of the second impeller circle, one side, described first impeller plate and second impeller plate are fixedly connected and form described impeller plate assembly, and form two cavitys with the opening of the described first impeller circle opposite side and the opening of the second impeller circle opposite side respectively, the described first impeller circle and the second impeller circle connect and form described impeller coil assembly, the arrangement that misplaces mutually of the impeller blade of the described first impeller circle and the impeller blade of the described second impeller circle is provided with the device of fixedlying connected with described motor output shaft on described first impeller plate and/or second impeller plate;
Described impeller assembly is an impeller, described impeller comprises impeller plate, the impeller circle, described impeller plate is positioned at described impeller circle, and form two cavitys with the opening of described impeller circle both sides respectively, described impeller blade is divided into anterior impeller blade and rear portion impeller blade by the radial direction of described impeller circle, the arrangement that misplaces mutually of described anterior impeller blade and rear portion impeller blade, and the place, axle center of described impeller plate is provided with the device of fixedlying connected with described motor output shaft;
Be parallel to each other between the impeller blade of described mutual arrangement;
The impeller blade quantity of the impeller blade of the described first impeller circle and the described second impeller circle is all 60;
The quantity of described anterior impeller blade and rear portion impeller blade is all 60;
The diameter of the described first impeller circle is greater than or less than the diameter of the described second impeller circle;
Described device is the axis hole of fixing described motor output shaft.
Adopt the beneficial effect that the utility model brought: (1) the utility model is connected and installed two impellers together, the impeller plate of two impellers is fixedly connected, the impeller circle connects, the impeller circle that impeller plate is positioned at connect, form two independent cavitys with two impeller circles, and with the arrangement that interlaces of the impeller blade on two impeller circles, the opening of two impeller circles forms double-faced ventilated effect when rotating, under the situation that does not reduce intake, greatly reduce the size of single impeller in the existing range hood, reduced the volume of impeller, thereby reduced the size in range hood air channel, and reduced production costs.(2) simultaneously, this impeller only needs to be needed two motors to drive respectively with existing bilobed wheel and compared by a motor-driven, the power consumption when further having reduced range hood work.
Figure of description
Fig. 1 illustrates when wheel rotation the air intake effect of impeller one side opening for the structural representation of existing range hood impeller;
Fig. 2 is the side sectional view of existing range hood, when wheel rotation is shown, and the effect of single face air intake when smoking that impeller one side opening forms;
Fig. 3 (a) is the structural representation of the utility model impeller, and the air intake effect of a side opening is shown;
Fig. 3 (b) is the structural representation of the utility model impeller, and the air intake effect of opposite side opening is shown;
Fig. 4 is the side sectional view of the utility model range hood, when wheel rotation is shown, and the effect during double-faced ventilated smoking that the impeller both-side opening forms;
Fig. 5 is the rear portion cutaway view of the utility model range hood, and the structure of impeller in spiral case is shown;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
A kind of improved range hood, comprise air channel 1, the exhaust fume collecting hood 2 that is connected with air channel 1, comprise a motor in the air channel 1, one impeller assembly that is connected with motor output shaft, impeller assembly comprises the impeller coil assembly, the impeller plate assembly, the impeller coil assembly comprises impeller blade, separately arrangement between each impeller blade, the impeller coil assembly has the inner chamber of a both-side opening, the impeller plate assembly is arranged in impeller coil assembly inner chamber, and forms two cavitys with the opening of impeller coil assembly both sides respectively, and impeller blade is divided into anterior impeller blade and rear portion impeller blade by the radial direction of impeller coil assembly, the arrangement that misplaces mutually of anterior impeller blade and rear portion impeller blade, the device of fixedlying connected with motor output shaft is located to be provided with in the axle center of impeller plate assembly.
To a kind of preferred embodiment shown in Figure 5, air channel 1 is connected with exhaust fume collecting hood 2, is provided with motor 6 in the air channel 1 as Fig. 3, and spiral case 5 is provided with impeller assembly in the spiral case 5.As shown in Figure 3, impeller assembly comprises that first impeller, 3, the second impellers, 4, the first impellers 3 comprise first impeller plate 31 and the first impeller circle 32, second impeller 4 comprises that second impeller plate 41 is identical with the diameter of the second impeller circle 42 with the second impeller circle, 42, the first impeller circles 32.First impeller plate 31 is positioned at the opening part of the first impeller circle, 32 1 sides, second impeller plate 41 is positioned at the opening part of the second impeller circle, 42 1 sides, first impeller plate 31 and second impeller plate 41 are fixedly connected and form the impeller plate assembly, and form two cavitys with the opening of the first impeller circle, 32 opposite sides and the opening of the second impeller circle, 42 opposite sides respectively, the first impeller circle 32 and the second impeller circle 42 connect and form the impeller coil assembly, the arrangement that misplaces mutually of the impeller blade 321 of the first impeller circle 32 and the impeller blade 421 of the second impeller circle 42 is parallel to each other between the impeller blade of arranging mutually.Impeller blade 421 quantity of the impeller blade 321 of the first impeller circle and the second impeller circle are all 60.On first impeller plate 31, be provided with the axis hole of fixedlying connected with motor output shaft.
According to such scheme with first impeller 3 and second impeller 4 be connected and installed form impeller assembly together after, the output shaft by axis hole and motor 6 is connected to a fixed.When the driven by motor impeller assembly rotates, first impeller plate 31 and second impeller plate 41 interconnect impeller plate assembly and the first impeller circle and two cavitys of second impeller circle formation of composition, these two cavitys that have opening have formed the double-faced ventilated effect shown in Fig. 3 (a) and Fig. 3 (b) when rotating, when range hood is worked, as shown in Figure 4, oil smoke is absorbed by two strands of air-flows, this effect with the smoking of existing single impeller range hood is compared, smoking efficient obviously improves, and volume really can further reduce.
In second preferred embodiment that this practicality provides: impeller assembly is an impeller, and impeller comprises impeller plate, the impeller circle.Impeller plate assembly in the impeller assembly, impeller plate and impeller circle in the corresponding present embodiment of impeller coil assembly difference.Impeller plate is positioned at the impeller circle, and form two cavitys with the opening of impeller circle both sides respectively, impeller blade is divided into anterior impeller blade and rear portion impeller blade by the radial direction of impeller circle, the arrangement that misplaces mutually of anterior impeller blade and rear portion impeller blade, the axis hole of fixedlying connected with motor output shaft is located to be provided with in the axle center of impeller plate.Be parallel to each other between the impeller blade of arranging mutually.The quantity of anterior impeller blade and rear portion impeller blade is all 60.
In the 3rd preferred embodiment that the utility model provides: the diameter of the first impeller circle 32 is greater than or less than the diameter of the second impeller circle 42.
Claims (8)
1, a kind of improved range hood, comprise air channel (1), the exhaust fume collecting hood (2) that is connected with described air channel (1), described air channel comprises a motor in (1), one impeller assembly that is connected with described motor output shaft, described impeller assembly comprises the impeller coil assembly, the impeller plate assembly, described impeller coil assembly comprises impeller blade, separately arrangement between each impeller blade, it is characterized in that: described impeller coil assembly has the inner chamber of a both-side opening, described impeller plate assembly is arranged in described impeller coil assembly inner chamber, and form two cavitys with the opening of described impeller coil assembly both sides respectively, described impeller blade is divided into anterior impeller blade and rear portion impeller blade by the radial direction of described impeller coil assembly, the arrangement that misplaces mutually of described anterior impeller blade and rear portion impeller blade, the place, axle center of described impeller plate assembly is provided with the device of fixedlying connected with described motor output shaft.
2, range hood according to claim 1, it is characterized in that: described impeller assembly comprises first impeller (3), second impeller (4), described first impeller (3) comprises first impeller plate (31) and the first impeller circle (32), described second impeller (4) comprises second impeller plate (41) and the second impeller circle (42), and the described first impeller circle (32) is identical with the diameter of the second impeller circle (42); Described first impeller plate (31) is positioned at the opening part of the first impeller circle (32) one sides, described second impeller plate (41) is positioned at the opening part of the second impeller circle (42) one sides, described first impeller plate (31) is fixedly connected with second impeller plate (41) and forms described impeller plate assembly, and form two cavitys with the opening of described first impeller circle (32) opposite side and the opening of second impeller circle (42) opposite side respectively, the described first impeller circle (32) connects with the second impeller circle (42) and forms described impeller coil assembly, the arrangement that misplaces mutually of the impeller blade (321) of the described first impeller circle (32) and the impeller blade (421) of the described second impeller circle (42) is provided with the device of fixedlying connected with described motor output shaft on described first impeller plate (31) and/or second impeller plate (41).
3, range hood according to claim 1, it is characterized in that: described impeller assembly is an impeller, described impeller comprises impeller plate, the impeller circle, described impeller plate is positioned at described impeller circle, and form two cavitys with the opening of described impeller circle both sides respectively, described impeller blade is divided into anterior impeller blade and rear portion impeller blade by the radial direction of described impeller circle, the arrangement that misplaces mutually of described anterior impeller blade and rear portion impeller blade, the place, axle center of described impeller plate is provided with the device of fixedlying connected with described motor output shaft.
4, according to claim 1 or 2 or 3 described range hoods, it is characterized in that: be parallel to each other between the impeller blade of described mutual arrangement.
5, range hood according to claim 2 is characterized in that: the impeller blade of the described first impeller circle (321) is all 60 with impeller blade (421) quantity of the described second impeller circle.
6, range hood according to claim 3 is characterized in that: the quantity of described anterior impeller blade and rear portion impeller blade is all 60.
7, range hood according to claim 2 is characterized in that: the diameter of the described first impeller circle (32) is greater than or less than the diameter of the described second impeller circle (42).
8, according to claim 1 or 2 or 3 described range hoods, it is characterized in that: described device is the axis hole of fixing described motor output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620175742 CN200986255Y (en) | 2006-12-22 | 2006-12-22 | Improved cooking fume draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620175742 CN200986255Y (en) | 2006-12-22 | 2006-12-22 | Improved cooking fume draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200986255Y true CN200986255Y (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620175742 Expired - Fee Related CN200986255Y (en) | 2006-12-22 | 2006-12-22 | Improved cooking fume draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200986255Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512067B (en) * | 2012-06-14 | 2016-05-18 | 张惠生 | Two-sided suction fume exhauster |
| CN107288922A (en) * | 2017-07-13 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Dislocation impeller and range hood used for range hood |
| CN107288923A (en) * | 2017-07-13 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Lampblack absorber impeller and lampblack absorber |
| CN107355423A (en) * | 2017-08-05 | 2017-11-17 | 刘兴丹 | A kind of double wind direction lampblack absorber wind wheels |
| CN109944828A (en) * | 2019-04-01 | 2019-06-28 | 青岛海尔智能技术研发有限公司 | A kind of centrifugal blower and electric appliance |
| CN109958655A (en) * | 2019-04-01 | 2019-07-02 | 青岛海尔智能技术研发有限公司 | A kind of centrifugal blower and electric appliance |
-
2006
- 2006-12-22 CN CN 200620175742 patent/CN200986255Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512067B (en) * | 2012-06-14 | 2016-05-18 | 张惠生 | Two-sided suction fume exhauster |
| CN107288922A (en) * | 2017-07-13 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Dislocation impeller and range hood used for range hood |
| CN107288923A (en) * | 2017-07-13 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Lampblack absorber impeller and lampblack absorber |
| CN107288923B (en) * | 2017-07-13 | 2020-08-25 | 广东美的厨房电器制造有限公司 | Impeller and lampblack absorber for lampblack absorber |
| CN107355423A (en) * | 2017-08-05 | 2017-11-17 | 刘兴丹 | A kind of double wind direction lampblack absorber wind wheels |
| CN109944828A (en) * | 2019-04-01 | 2019-06-28 | 青岛海尔智能技术研发有限公司 | A kind of centrifugal blower and electric appliance |
| CN109958655A (en) * | 2019-04-01 | 2019-07-02 | 青岛海尔智能技术研发有限公司 | A kind of centrifugal blower and electric appliance |
| CN109958655B (en) * | 2019-04-01 | 2024-07-12 | 青岛海尔智能技术研发有限公司 | Centrifugal fan and electrical apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20151222 |
|
| EXPY | Termination of patent right or utility model |