CN211551723U - Novel fan and range hood - Google Patents
Novel fan and range hood Download PDFInfo
- Publication number
- CN211551723U CN211551723U CN201921776881.0U CN201921776881U CN211551723U CN 211551723 U CN211551723 U CN 211551723U CN 201921776881 U CN201921776881 U CN 201921776881U CN 211551723 U CN211551723 U CN 211551723U
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- CN
- China
- Prior art keywords
- speed increaser
- filter screen
- output shaft
- air inlet
- speed
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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.)
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- 239000004519 grease Substances 0.000 abstract description 20
- 239000000779 smoke Substances 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 12
- 238000003915 air pollution Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Ventilation (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The utility model discloses a novel fan and range hood, this novel fan, impeller, motor inside including the spiral case and locating, motor drive the impeller rotates, the spiral case on be equipped with the air intake, further including filter screen and speed increaser, the filter screen locate the air intake on, the input shaft of speed increaser with the output shaft of motor, the output shaft of speed increaser with the filter screen is connected. The utility model discloses an add filter screen and speed increaser on the fan, this filter screen with a motor of impeller sharing, simple structure to can further separate the oil smoke, in addition, the speed increaser improves the rotational speed of filter screen, can more effectual improvement grease separation rate, reduce air pollution.
Description
Technical Field
The utility model relates to a range hood technical field especially relates to a novel fan and range hood.
Background
With the development of cities in China in recent years, the problem of air pollution is more serious. According to research data of related institutions, a large source of air pollution is caused by oil smoke generated during cooking. The household kitchen exhaust equipment, namely the common range hood on the market, generally separates oil smoke through a filter screen on a smoke suction port, and the oil-fat separation degree, one of the emission performance indexes of the range hood, has certain difference with the concentration of discharged oil smoke, most of the range hood does not have the high purification effect, and in fact, the range hood reaching the standard still discharges a large part of oil smoke.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses a novel fan which can overcome the defects, improve the oil separation rate and purify the discharged oil smoke; the utility model discloses a still disclose a range hood of using this fan.
The utility model adopts the technical proposal that:
the utility model provides a novel fan, is including the spiral case and locate its inside impeller, motor drive the impeller rotates, the spiral case on be equipped with the air intake, further including filter screen and speed increaser, the filter screen locate the air intake on, the speed increaser the input shaft with the first output shaft of motor, the output shaft with the filter screen is connected.
In the above technical solution, the rotation speed of the output shaft of the speed increaser is 1.2-6 times of the rotation speed of the first output shaft of the motor.
In the above technical scheme, the wind inlet device further comprises a wind inlet ring, wherein the wind inlet ring is covered on the wind inlet and fixedly arranged on the volute, and the filter screen is arranged on the outer side of the wind inlet ring.
In the above technical scheme, the speed increaser is fixedly arranged on the air inlet ring, and an output shaft of the speed increaser penetrates through the air inlet ring to be connected with the filter screen.
In the technical scheme, the air inlet ring is provided with a support frame for fixing the speed increaser, and the middle part of the support frame is provided with a through hole for the output shaft of the speed increaser to penetrate.
In the technical scheme, the filter screen comprises a central seat, a plurality of cylindrical long strips and a plurality of circular rings; the cylindrical strips are radially arranged along the radial outward side of the central seat; the circular rings are arranged outside the central seat and are concentric with the central seat; the cylindrical strip is connected with the circular ring in a crossing manner.
In the above technical scheme, the output shaft of the speed increaser is provided with a clamping strip, and the center seat is provided with a clamping groove matched with the clamping strip.
A range hood comprises the novel fan, an oil guide piece and an oil collecting box, wherein the oil guide piece is arranged below the volute and is communicated with the oil collecting box.
After the technical scheme is adopted, the utility model discloses an add filter screen and speed increaser on the fan, this filter screen with a motor of impeller sharing, simple structure to can further separate the oil smoke, in addition, the speed increaser improves the rotational speed of filter screen, can more effectual improvement grease separation rate, reduce air pollution.
Drawings
Fig. 1 is a first three-dimensional exploded view of the blower of the present invention;
fig. 2 is a schematic three-dimensional exploded view of the blower of the present invention;
FIG. 3 is a schematic perspective exploded view of the blower of the present invention;
fig. 4 is a schematic perspective view of a first speed increaser of the present invention;
fig. 5 is a schematic perspective view of the speed increaser of the present invention;
FIG. 6 is a schematic view of a perspective structure of a range hood according to the present invention;
fig. 7 is a schematic view of a partial three-dimensional structure of the range hood of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a novel fan, including spiral case 1 and locate its inside impeller 2, motor 3 drive impeller 2 rotates, is equipped with air intake 11 on the spiral case 1, wherein:
referring to fig. 1 and 2, the novel fan further includes a filter screen 4, a speed increaser 5 and an air inlet ring 6.
Referring to fig. 4 and 5, the speed increaser 5 is disposed between the motor 3 and the filter screen 4, an input shaft 51 of the speed increaser 5 is connected to a first output shaft 31 of the motor 3, and a clamping strip 53 clamped on the filter screen 4 is disposed on an output shaft 52 of the speed increaser 5, so that the output shaft 52 can drive the filter screen 4 to rotate, and the filter screen 4 cannot fully exert the grease separating effect due to the highest rotating speed of the motor used by a general fan, so that the rotating speed of the filter screen 4 is increased by using the speed increaser 5, the grease separation degree is increased, and the concentration of discharged oil smoke is; when the rotating speed of the output shaft 52 of the speed increaser 5 is higher, the filter screen 4 rotates faster, the filter screen 4 can contact more oil smoke, and the grease separation degree is higher, namely the rotating speed of the output shaft 52 of the speed increaser 5 is in direct proportion to the grease separation degree; a large number of experiments show that when the rotating speed of the output shaft 52 of the speed increaser 5 is 1.2 times of the rotating speed of the first output shaft 31 of the motor 3, the oil smoke can reach a better purification degree; when the rotating speed of the output shaft 52 of the speed increaser 5 is 6 times greater than that of the first output shaft 31 of the motor 3, the swing amplitude of the speed increaser 5 is large, the speed increaser 5 is easy to interfere with other parts, the other parts are damaged, and the noise is large; the speed range of the output shaft 52 of the speed increaser 5 is therefore 1.2 to 6 times the speed of the first output shaft 31 of the electric machine 3
The grease separation degree refers to the capability of the range hood to separate grease from oil fume under specified test conditions.
Referring to fig. 1 and 2, an air inlet 11 is formed in the volute casing 1, an air inlet ring 6 is covered on the air inlet 11 and fixed to the volute casing 1 through a fastener, a support frame 61 for fixing the speed increaser 5 is formed on the air inlet ring 6, and a through hole 611 for the output shaft 52 of the speed increaser 5 to pass through is formed in the middle of the support frame 61;
referring to fig. 1, 2 and 3, the filter screen 4 is used for filtering grease, reducing the grease entering the fan, improving the effect of separating oil smoke, and purifying the discharged oil smoke; the filter screen 4 can be just covered on the air inlet 11, namely, on the inner side of the air inlet ring 6, and the filter screen 4 can also be covered on the air inlet 11, namely, on the outer side of the air inlet ring 6, in the embodiment, the filter screen 4 is covered on the air inlet 11, namely, on the outer side of the air inlet ring 6, so that the contact area between the grease and the filter screen 4 is increased, namely, the filtering area is increased, and the grease separation rate is improved more effectively; in addition, the filter screen 4 may be formed in a ring-shaped radial shape, a square grid shape, a diamond grid shape, etc., in this embodiment, the filter screen 4 is formed in a ring-shaped radial shape, and includes a central seat 41, a plurality of cylindrical strips 42, and a plurality of circular rings 43; a plurality of cylindrical strips 42 are radially arranged along the radially outer side of the central seat 41; a plurality of rings 43, which are arranged outside the central seat 41 and are concentric with the central seat 41; the cylindrical strip 42 is crosswise connected with the circular ring 43; in the present embodiment, two circular rings 43 are provided; the shape of the filter screen 4 of the embodiment better follows the direction of the wind sucked by the impeller, which is beneficial to reducing the wind resistance as much as possible and reducing the burden of the motor 3. The central seat 41 is provided with a clamping groove 411 matched with the clamping strip 53, the central seat 41 is provided with a through hole 412 for the output shaft 52 of the speed increaser 5 to pass through, and the outer side of the through hole 412 is provided with a screw cap 9 matched with the output shaft 52 of the speed increaser 5 for preventing the filter screen 4 from being separated from the output shaft 52 when rotating.
Referring to fig. 1 and 2, during assembly, the speed increaser 5 is fixedly arranged on the support frame 61 of the air inlet ring 6 through a fastener, the input shaft 51 of the speed increaser 5 is connected with the first output shaft 31 of the motor 3, the output shaft 52 of the speed increaser 5 passes through the through hole 611 of the air inlet ring 6, the air inlet ring 6 is covered on the air inlet 11 and is fixedly arranged on the volute 1, the clamping strip 53 on the output shaft 52 is just clamped on the clamping groove 411 of the filter screen 4, the output shaft 52 passes through the through hole 412, and then the nut 9 is matched with the end of the output shaft 52 to fix the filter screen 4 on the output shaft 52, so that the assembly is completed.
When the fan operates, the first output shaft 31 of the motor 3 drives the input shaft 51 of the speed increaser 5 to rotate, the output shaft 52 of the speed increaser drives the filter screen 4 to rotate, and when grease in oil smoke contacts the filter screen 4, the grease is hung on the filter screen, so that the grease separation rate of the fan is improved; when the rotating speed of the filter screen 4 is higher, more grease is contacted, and the grease separation rate of the fan is higher.
Referring to fig. 6, fig. 7 shows, the utility model also discloses a range hood, including foretell fan, still including leading oil spare 7 and collection oil box 8, lead oil spare 7 and locate spiral case 1 below, and communicate with collection oil box 8, stop working as the fan, and when the grease on the filter screen 4 is more, the grease then can drip along cylindrical rectangular 42 on the filter screen 4, to leading in the oil spare 7, then from leading in the oil spare 7 flows into collection oil box 8, this range hood's outside is located to collection oil box 8, the user of being convenient for dismantles the washing.
The utility model discloses an add filter screen 4 and speed increaser 5 on the fan, this filter screen 4 with a motor 3 of impeller 2 sharing, simple structure to can further separate the oil smoke, in addition, speed increaser 5 improves the rotational speed of filter screen 4, can more effectual improvement grease separation rate, reduce air pollution.
The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a novel fan, is including spiral case (1) and locate its inside impeller (2), motor (3) drive impeller (2) rotate, spiral case (1) on be equipped with air intake (11), its characterized in that, further including filter screen (4) and speed increaser (5), filter screen (4) locate air intake (11) on, input shaft (51) of speed increaser (5) with first output shaft (31) of motor (3) are connected, output shaft (52) of speed increaser (5) with filter screen (4) are connected.
2. The new fan according to claim 1, characterized in that the speed of the output shaft (52) of the speed increaser (5) is 1.2-6 times the speed of the first output shaft (31) of the electric machine (3).
3. The novel fan according to any one of claims 1 or 2, further comprising an air inlet ring (6), wherein the air inlet ring (6) is covered on the air inlet (11) and is fixedly arranged on the volute (1), and the filter screen (4) is arranged outside the air inlet ring.
4. The novel fan as claimed in claim 3, wherein the speed increaser (5) is fixedly arranged on the air inlet ring (6), and an output shaft (52) of the speed increaser (5) passes through the air inlet ring (6) to be connected with the filter screen (4).
5. The novel fan according to claim 4, wherein the air inlet ring (6) is provided with a support frame (61) for fixing the speed increaser (5), and a through hole (611) for the output shaft (52) of the speed increaser (5) to penetrate is formed in the middle of the support frame (61).
6. The new fan according to any one of claims 1 or 2, characterized in that said sieve (4) comprises a central seat (41), a plurality of cylindrical strips (42) and a plurality of rings (43); a plurality of said cylindrical strips (42) are radially arranged along the radially external side of said central seat (41); the circular rings (43) are arranged outside the central seat (41) and are concentric with the central seat (41); the cylindrical strip (42) is connected with the circular ring (43) in a crossing way.
7. The novel fan as claimed in claim 6, wherein the output shaft (52) of the speed increaser (5) is provided with a clamping strip (53), and the central seat (41) is provided with a clamping groove (411) matched with the clamping strip (53).
8. A range hood, characterized by, including the novel fan of any one of claims 1-7, lead oil spare (7) and oil collecting box (8), lead oil spare (7) to locate under the spiral case (1), and with oil collecting box (8) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776881.0U CN211551723U (en) | 2019-10-22 | 2019-10-22 | Novel fan and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776881.0U CN211551723U (en) | 2019-10-22 | 2019-10-22 | Novel fan and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211551723U true CN211551723U (en) | 2020-09-22 |
Family
ID=72498221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921776881.0U Active CN211551723U (en) | 2019-10-22 | 2019-10-22 | Novel fan and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211551723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793080A (en) * | 2019-10-22 | 2020-02-14 | 华帝股份有限公司 | Novel fan and range hood |
-
2019
- 2019-10-22 CN CN201921776881.0U patent/CN211551723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793080A (en) * | 2019-10-22 | 2020-02-14 | 华帝股份有限公司 | Novel fan and range hood |
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