CN209744465U - range hood's fan subassembly and range hood - Google Patents
range hood's fan subassembly and range hood Download PDFInfo
- Publication number
- CN209744465U CN209744465U CN201920301185.8U CN201920301185U CN209744465U CN 209744465 U CN209744465 U CN 209744465U CN 201920301185 U CN201920301185 U CN 201920301185U CN 209744465 U CN209744465 U CN 209744465U
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- China
- Prior art keywords
- filter screen
- oil filter
- range hood
- output shaft
- dynamic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 239000000779 smoke Substances 0.000 claims abstract description 31
- 230000003068 static effect Effects 0.000 claims abstract description 28
- 239000003517 fume Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Ventilation (AREA)
Abstract
the utility model provides a range hood's fan subassembly and range hood, range hood's fan subassembly includes: a volute provided with an oil smoke inlet; a motor provided in the volute and having an output shaft adapted to output rotational power; the static oil filter screen is fixedly arranged at the oil smoke inlet; and the dynamic oil filter screen is eccentrically arranged on the output shaft and is suitable for being driven by the output shaft to rotate. The dynamic oil filter screen is eccentrically arranged on the output shaft, so that a larger oil smoke contact area can be obtained by the rotation of the dynamic oil filter screen along with the output shaft under the condition that the area of the dynamic oil filter screen is smaller, the requirements of reducing the area of the dynamic oil filter screen and reducing the cost can be met, meanwhile, the larger oil smoke contact area is obtained, a better oil filter effect is ensured, and meanwhile, the phenomenon that the dynamic oil filter screen is deformed or interferes with other parts due to the shaking caused by the overlarge area of the dynamic oil filter screen can be avoided.
Description
Technical Field
The utility model relates to a kitchen utensil technical field, concretely relates to range hood's fan subassembly and range hood.
Background
with the development of social economy and the improvement of the living standard of people, people pursue more diversification on diet. In the cooking process of a kitchen, the generation of oil smoke cannot be avoided, the range hood becomes an important electric appliance in the kitchen, and after the use time of the range hood is prolonged, oil stains adhered to a motor and an impeller of the range hood are more and more, so that the normal work of the range hood is greatly influenced. Therefore, in a general range hood, an oil filter screen is usually arranged, the amount of oil stains entering a motor and an impeller of the range hood is greatly reduced due to the arrangement of the oil filter screen, and the normal service life of the range hood is prolonged. However, in the existing range hood, the oil filter screen is usually a single filter screen, or a dynamic oil filter screen rotating along with the output shaft of the motor, or a static oil filter screen fixed on the volute of the range hood, and the oil filtering effect is limited.
The existing range hood comprises a static oil screen fixed at an oil smoke inlet and a dynamic oil screen connected to an output shaft of a motor, and the oil smoke can be more effectively prevented from entering the range hood under the combined action of the static oil screen and the dynamic oil screen. However, if the area of the dynamic oil screen is too small, the oil filtering area is too small, and the oil filtering effect is poor; if the area is too big, can improve the cost of dynamic oil net on the one hand, on the other hand also can influence the structural stability of dynamic oil net when rotating along with the motor at a high speed, can influence the oil strain effect equally.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the range hood among the prior art's the relatively poor or higher defect of cost of dynamic oil cleaner screen or oil strain effect to a fan subassembly and the range hood of range hood that has better oil strain effect simultaneously can reduce cost is provided.
The utility model provides a range hood's fan subassembly, include:
A volute provided with an oil smoke inlet;
A motor provided in the volute and having an output shaft adapted to output rotational power;
The static oil filter screen is fixedly arranged at the oil smoke inlet;
And the dynamic oil filter screen is eccentrically arranged on the output shaft and is suitable for being driven by the output shaft to rotate.
The dynamic oil filter screen is detachably arranged on the output shaft through a connecting structure.
The connection structure includes:
the body is fixedly connected to the output shaft;
The lug is connected to the body and is suitable for being fixedly connected with the centroid of the dynamic oil filter screen; the lug is spaced from the output shaft, and the length extending direction of the lug is parallel to the length direction of the output shaft.
The body is a disc structure sleeved on the output shaft.
The center of the dynamic oil filter screen is provided with a mounting hole, and the dynamic oil filter screen is sleeved on the lug through the mounting hole.
the lug is of a cylindrical structure.
the area of the static oil filter screen is not smaller than that of the oil smoke inlet, and the static oil filter screen is suitable for covering the oil smoke inlet; the area of the dynamic oil filter screen is smaller than that of the oil smoke inlet.
The dynamic oil net and the static oil net are arranged at intervals.
The dynamic oil filter screen is a circular oil filter screen.
The utility model also provides a range hood, including foretell range hood's fan subassembly.
the utility model discloses technical scheme has following advantage:
1. The utility model provides a range hood's fan subassembly, include: a volute provided with an oil smoke inlet; a motor provided in the volute and having an output shaft adapted to output rotational power; the static oil filter screen is fixedly arranged at the oil smoke inlet; and the dynamic oil filter screen is eccentrically arranged on the output shaft and is suitable for being driven by the output shaft to rotate. The dynamic oil filter screen is eccentrically arranged on the output shaft, so that a larger oil smoke contact area can be obtained by the rotation of the dynamic oil filter screen along with the output shaft under the condition that the area of the dynamic oil filter screen is smaller, the requirements of reducing the area of the dynamic oil filter screen and reducing the cost can be met, meanwhile, the larger oil smoke contact area is obtained, a better oil filter effect is ensured, and meanwhile, the phenomenon that the dynamic oil filter screen is deformed or interferes with other parts due to the shaking caused by the overlarge area of the dynamic oil filter screen can be avoided.
2. The utility model provides a range hood's fan subassembly, connection structure includes: the body is fixedly connected to the output shaft; the lug is connected to the body and is suitable for being fixedly connected with the centroid of the dynamic oil filter screen; the lug is spaced from the output shaft, and the length extending direction of the lug is parallel to the length direction of the output shaft. The connecting structure with the structure form not only can realize the eccentric arrangement of the dynamic oil filter screen relative to the output shaft, but also is convenient to disassemble and assemble with the dynamic oil filter screen and the output shaft, and simultaneously has the advantage of simple structure.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
fig. 1 is a schematic exploded perspective view of a fan assembly of a range hood according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a fan assembly of the range hood shown in FIG. 1;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic perspective view of a dynamic oil screen in the fan assembly of the range hood shown in FIG. 1;
FIG. 5 is a schematic front view of a fan assembly of the range hood shown in FIG. 1;
FIG. 6 is a schematic diagram of the fan assembly of the range hood shown in FIG. 5 with the static oil filter screen removed and the dynamic oil filter screen moving to an upper critical point;
FIG. 7 is a schematic diagram of the fan assembly of the range hood shown in FIG. 5 with the static oil filter screen removed and the dynamic oil filter screen moving to the right critical point;
FIG. 8 is a schematic view of the fan assembly of the range hood shown in FIG. 5 with the static oil filter screen removed and the dynamic oil filter screen moving to a lower critical point;
FIG. 9 is a schematic diagram of the fan assembly of the range hood shown in FIG. 5 with the static oil filter screen removed and the dynamic oil filter screen moving to the left critical point;
Description of reference numerals:
1-volute, 11-lampblack inlet, 2-motor, 21-output shaft, 3-static oil filter screen, 4-dynamic oil filter screen, 41-mounting hole, 51-body, 52-lug and 53-nut.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-5, the present embodiment provides a fan assembly of a range hood, which includes a volute 1, a motor 2, a static oil filter screen 3, and a dynamic oil filter screen 4.
the volute 1 is provided with a lampblack inlet 11.
the motor 2 is provided in the scroll casing 1, and has an output shaft 21 adapted to output rotational power.
The static oil filter screen 3 is fixedly arranged at the oil smoke inlet 11.
The dynamic oil screen 4 is eccentrically mounted on the output shaft 21 and is adapted to be rotated by the output shaft 21.
When the oil smoke filter is installed, the motor 2 and the dynamic oil filter screen 4 are firstly installed into the volute 1 through the oil smoke inlet 11, and then the static oil filter screen 3 is fixedly covered at the oil smoke inlet 11.
the specific installation manner between the dynamic oil filter screen 4 and the output shaft 21 can be various, as long as the requirement that the centroid of the dynamic oil filter screen 4 deviates from the axis of the output shaft 21 is met. In the present embodiment, the dynamic oil filter screen 4 is detachably mounted on the output shaft 21 by a connection structure.
the specific structure of the connecting structure can be various, and in this embodiment, the connecting structure includes a body 51 and a projection 52.
The body 51 is fixedly connected to the output shaft 21.
The lug 52 is connected to the body 51 and is suitable for being fixedly connected with the centroid of the dynamic oil filter screen 4; the projection 52 is spaced from the output shaft 21, and the length extension direction of the projection 52 is parallel to the length direction of the output shaft 21.
The connecting structure with the structure can realize the eccentric arrangement of the dynamic oil filter screen 4 relative to the output shaft 21, is convenient to assemble and disassemble with the dynamic oil filter screen 4 and the output shaft 21, and has the advantage of simple structure.
The specific structural form of the body 51 is not limited, and the body 51 in this embodiment is a disk structure sleeved on the output shaft 21. As an alternative embodiment, the body 51 may also be of an elongated configuration.
In this embodiment, the centroid of the dynamic oil filter screen 4 is provided with a mounting hole 41, and the dynamic oil filter screen 4 is sleeved on the projection 52 through the mounting hole 41.
The specific structure of the bump 52 can be various, and the bump 52 in this embodiment is a cylindrical structure. As an alternative embodiment, the projections 52 may also be of a prismatic structure.
The specific way of fixedly connecting the dynamic oil filter screen 4 and the bump 52 may be various, in this embodiment, a thread (not shown in the figure) is provided on the bump 52, and the connecting structure further includes a nut 53, when mounting, the dynamic oil filter screen 4 is firstly sleeved on the bump 52 through the mounting hole 41, and then the nut 53 is matched with the thread on the bump 52, so as to lock and fix the dynamic oil filter screen 4 and the bump 52. As an alternative embodiment, the dynamic oil filter screen 4 may be fixedly connected to the projection 52 by interference fit between the mounting hole 41 and the projection 52.
In the present embodiment, the area of the static oil filter screen 3 is not smaller than the area of the soot inlet 11, and is adapted to cover the soot inlet 11; the area of the dynamic oil filter screen 4 is smaller than the area of the oil smoke inlet 11. The specific area ratio of the dynamic oil filter screen 4 to the oil smoke inlet 11 is not limited, as long as the area of a circle having a radius equal to the distance between the point on the dynamic oil filter screen 4 farthest from the centroid and the axis of the output shaft 21 is not smaller than the area of the oil smoke inlet 11. For example, the area of the dynamic oil filter screen 4 may be half of the area of the soot inlet 11; the area of the dynamic oil filter screen 4 may be two thirds of the area of the oil smoke inlet 11.
In the present embodiment, the dynamic oil filter screen 4 is spaced apart from the static oil filter screen 3.
the specific shapes of the dynamic oil filter screen 4 and the static oil filter screen 3 are not limited, in this embodiment, the dynamic oil filter screen 4 and the static oil filter screen 3 are circular oil filter screens respectively, and the centroid of the dynamic oil filter screen 4 is the circle center of the dynamic oil filter screen. As an alternative embodiment, the dynamic oil screen 4 and the static oil screen 3 may be rectangular, oval or diamond shaped, respectively.
The specific shape of the oil filter holes formed in the dynamic oil filter screen 4 and the static oil filter screen 3 is not limited, and may be, for example, a circular hole, a square hole, an elliptical hole, or the like, as long as oil filtering can be achieved.
The dynamic oil filter screen 4 and the static oil filter screen 3 in this embodiment are respectively attached with an oil-repellent coating, and the specific material of the oil-repellent coating is not limited, and may be teflon, or UGT nanometer. As an alternative embodiment, the dynamic oil screen 4 and the static oil screen 3 may also be free of oil-repellent coatings.
As shown in fig. 6-9, after the static oil filter screen 3 is removed, the dynamic oil filter screen 4 moves to the upper critical point, the right critical point, the lower critical point and the left critical point, respectively, by eccentrically installing the dynamic oil filter screen 4 on the output shaft 21, setting the radius of the dynamic oil filter screen 4 as r, and the eccentric distance between the dynamic oil filter screen 4 and the output shaft 21 as e, the area of the dynamic oil filter screen 4 itself is pi r2, the dynamic contact area of the oil smoke of the dynamic oil filter screen 4 is pi (r + e)2, which is larger than the area of the dynamic oil filter screen 4 itself, so that the dynamic oil filter screen 4 can still obtain a larger oil smoke contact area by rotating along with the output shaft 21 under the condition that the area of the dynamic oil filter screen 4 itself is smaller, thereby reducing the cost and obtaining a larger oil smoke contact area, ensuring a better oil filtering effect, meanwhile, the deformation of the dynamic oil filter screen 4 or the interference to other parts caused by the shaking generated by the overlarge area of the dynamic oil filter screen 4 can be avoided.
The embodiment also provides a range hood, which comprises the fan assembly of the range hood, a smoke collecting hood and the like.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A fan assembly of a range hood, comprising:
The volute (1) is provided with an oil smoke inlet (11);
A motor (2) provided in the volute (1) and having an output shaft (21) adapted to output rotational power;
the static oil filter screen (3) is fixedly arranged at the oil smoke inlet (11);
The dynamic oil filter screen (4) is eccentrically arranged on the output shaft (21) and is suitable for being driven by the output shaft (21) to rotate.
2. The fan assembly of a range hood according to claim 1, wherein the dynamic oil filter screen (4) is detachably mounted on the output shaft (21) through a connecting structure.
3. The range hood fan assembly of claim 2 wherein the connection structure comprises:
a body (51) fixedly connected to the output shaft (21);
the lug (52) is connected to the body (51) and is suitable for being fixedly connected with the centroid of the dynamic oil filter screen (4); the lug (52) is spaced from the output shaft (21), and the length extending direction of the lug (52) is parallel to the length direction of the output shaft (21).
4. the fan assembly of the range hood according to claim 3, wherein the body (51) is a disk structure sleeved on the output shaft (21).
5. The fan assembly of the range hood according to claim 3, wherein a mounting hole (41) is formed at the centroid of the dynamic oil filter screen (4), and the dynamic oil filter screen (4) is sleeved on the projection (52) through the mounting hole (41).
6. The fan assembly of range hood according to claim 3, wherein the protrusion (52) is a cylindrical structure.
7. The fan assembly of the range hood according to any one of claims 1 to 6, wherein the area of the static oil filter screen (3) is not smaller than the area of the fume inlet (11) and is adapted to cover the fume inlet (11); the area of the dynamic oil filter screen (4) is smaller than that of the oil smoke inlet (11).
8. The fan assembly of a range hood according to claim 1, wherein the dynamic oil filter screen (4) is arranged at a distance from the static oil filter screen (3).
9. The fan assembly of a range hood according to claim 1, wherein the dynamic oil filter screen (4) is a circular oil filter screen.
10. A range hood comprising the fan assembly of a range hood as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301185.8U CN209744465U (en) | 2019-03-08 | 2019-03-08 | range hood's fan subassembly and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301185.8U CN209744465U (en) | 2019-03-08 | 2019-03-08 | range hood's fan subassembly and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209744465U true CN209744465U (en) | 2019-12-06 |
Family
ID=68716246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920301185.8U Withdrawn - After Issue CN209744465U (en) | 2019-03-08 | 2019-03-08 | range hood's fan subassembly and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209744465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812853A (en) * | 2019-03-08 | 2019-05-28 | 珠海格力电器股份有限公司 | The fan assembly and range hood of range hood |
-
2019
- 2019-03-08 CN CN201920301185.8U patent/CN209744465U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812853A (en) * | 2019-03-08 | 2019-05-28 | 珠海格力电器股份有限公司 | The fan assembly and range hood of range hood |
| CN109812853B (en) * | 2019-03-08 | 2024-02-23 | 珠海格力电器股份有限公司 | Fan assembly of range hood and range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191206 Effective date of abandoning: 20240223 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191206 Effective date of abandoning: 20240223 |