CN221195434U - Fan structure of range hood and range hood - Google Patents
Fan structure of range hood and range hood Download PDFInfo
- Publication number
- CN221195434U CN221195434U CN202322688718.1U CN202322688718U CN221195434U CN 221195434 U CN221195434 U CN 221195434U CN 202322688718 U CN202322688718 U CN 202322688718U CN 221195434 U CN221195434 U CN 221195434U
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- volute
- sound absorbing
- air outlet
- wind wheel
- sound
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- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 230000030279 gene silencing Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan structure of a range hood and the range hood. The fan structure of the range hood comprises an air box, an air cavity is arranged in the air box, an air inlet and an air outlet are formed in the air box, and the air inlet is formed in the bottom side of the air box; the sound-absorbing volute structure is arranged in the wind cavity and comprises a volute body and a sound-absorbing structure arranged in the volute body, and the volute body is provided with a vent hole; the wind wheel structure is arranged in the sound absorbing volute structure, and a wind suction port of the wind wheel structure is arranged corresponding to the ventilation hole; the first sound piece that inhales is in between the spiral case body with the bottom side of bellows, first sound piece that inhales is close to the one side of ventilation hole has the water conservancy diversion inclined plane, the water conservancy diversion inclined plane is from supreme orientation down keep away from the position slope of the center of ventilation hole sets up. The fan structure of the range hood provided by the utility model has a good noise reduction effect and is small in size.
Description
Technical Field
The utility model relates to the technical field of kitchen electricity, in particular to a fan structure of a range hood and the range hood.
Background
A range hood, which is a kitchen appliance that sucks and discharges oil smoke through a centrifugal fan and filters part of grease particles using a filter screen, has become an indispensable kitchen tool in modern home cooking. When the impeller of the fan rotates, negative pressure suction is generated at the center of the fan, and oil smoke below the range hood is sucked into the fan and is collected by the volute after being accelerated by the fan, and is guided to be discharged outdoors.
With the continuous improvement of the life quality of people, the requirements of consumers on the performance index and the use experience of kitchen appliances are continuously improved. In order to meet the smoking effect, the more the indexes such as the air quantity and the static pressure of the range hood are, the larger the noise is caused when the range hood actually runs in a kitchen, and the use experience of a user is seriously affected. To reduce noise, this is currently generally achieved by increasing the size of the extractor fan system to increase the sound absorbing and reducing device. But this not only takes up more space for the user's wall cabinet, but also is costly.
Therefore, a fan structure of a range hood is needed to solve the above problems.
Disclosure of utility model
The utility model aims to solve one of the problems in the prior art to at least a certain extent, and therefore, the utility model provides a fan structure of a range hood, which has better noise reduction effect, smaller volume and no occupation of larger cabinet space.
The above object is achieved by the following technical scheme:
A fan structure of a range hood, comprising:
the air box is internally provided with an air cavity, an air inlet and an air outlet are formed in the air box, and the air inlet is formed in the bottom side of the air box;
The sound-absorbing volute structure is arranged in the wind cavity and comprises a volute body and a sound-absorbing structure arranged in the volute body, and the volute body is provided with a vent hole;
The wind wheel structure is arranged in the sound absorbing volute structure, and a wind suction port of the wind wheel structure is arranged corresponding to the ventilation hole;
The first sound piece that inhales is in between the spiral case body with the bottom side of bellows, first sound piece that inhales is close to the one side of ventilation hole has the water conservancy diversion inclined plane, the water conservancy diversion inclined plane is from supreme orientation down keep away from the position slope of the center of ventilation hole sets up.
Optionally, a plurality of first sound absorbing holes are formed in the diversion inclined plane.
Optionally, the spiral case body includes the spiral case bottom plate, the ventilation hole is seted up on the spiral case bottom plate, be provided with first accommodation chamber and first air-out in the spiral case body, first air-out channel with the air outlet intercommunication, wind wheel structure sets up first accommodation intracavity and with the spiral case bottom plate is connected, silencing structure sets up the outside of wind wheel structure.
Optionally, the spiral case body is still including setting up spiral case peripheral board and setting up in the spiral case peripheral board inboard spiral case inner shroud of spiral case bottom plate, the ventilation hole is seted up on the spiral case bottom plate, the spiral case inner shroud inboard forms first holding chamber and first air outlet channel, first air outlet channel with the air outlet intercommunication, wind wheel structure sets up first holding intracavity and with spiral case bottom plate connection, wind wheel structure with form between the spiral case inner shroud with the second air outlet channel of first air outlet channel intercommunication, spiral case peripheral board with form the second holding chamber between the spiral case inner shroud, inhale the sound structure setting and be in the second holding intracavity, a plurality of second inhale the sound hole have been seted up on the spiral case inner shroud.
Optionally, a partition plate is disposed in the second accommodating cavity, the three partition plates divide the second accommodating cavity into a first accommodating groove, a second accommodating groove, a third accommodating groove and a fourth accommodating groove, the sound absorbing structure includes a second sound absorbing member identical to the first accommodating groove in shape, a third sound absorbing member identical to the second accommodating groove in shape, a fourth sound absorbing member identical to the third accommodating groove in shape and a fifth sound absorbing member identical to the fourth accommodating groove in shape, the second sound absorbing member is disposed in the first accommodating groove, the third sound absorbing member is disposed in the second accommodating groove, the fourth sound absorbing member is disposed in the third accommodating groove, and the fifth sound absorbing member is disposed in the fourth accommodating groove.
Optionally, a plurality of third sound absorbing holes are further formed in the volute bottom plate, and the third sound absorbing holes are located at positions corresponding to the sound absorbing structures.
Optionally, the wind wheel structure includes wind wheel body and is used for driving wind wheel body pivoted motor, the wind wheel body is installed on the spiral case bottom plate, and, the inlet scoop of wind wheel body with the ventilation hole corresponds the setting, the motor with wind wheel body transmission is connected and stretches out outside the bellows.
Optionally, the air outlet seat is further provided with an oil blocking connecting structure on the periphery of the air outlet, and the air outlet seat is installed at the oil blocking connecting structure.
Optionally, keep off oily connection structure includes connects oily tongue and leads oily recess, it is in to lead oily recess setting the upper portion of the week side of air outlet, connect oily tongue setting to be in the lower part of the week side of air outlet, the air outlet seat includes the air-out seat body and sets up first connection turn-ups and the second connection turn-ups of air-out seat body one end, first connection turn-ups paste and install the tank bottom of leading oily recess, the second is connected the turn-ups and is inserted connect in the oily tongue and with connect oily tongue.
Optionally, the air outlet is disposed on a peripheral side of the bellows.
Another aspect of the utility model provides a range hood, comprising the fan structure of the range hood.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
The fan structure of the range hood provided by the utility model comprises an air box, a sound-absorbing volute structure, a wind wheel structure and a first sound-absorbing piece. An air cavity is arranged in the air box, an air inlet and an air outlet are formed in the air box, and the air inlet is formed in the bottom side of the air box. The sound absorbing volute structure is arranged in the wind cavity and comprises a volute body and a sound absorbing structure arranged in the volute body, and vent holes are formed in the volute body. The wind wheel structure is arranged in the sound absorbing volute structure, and an air suction port of the wind wheel structure is arranged corresponding to the vent hole. The first sound piece that inhales sets up between the bottom side of spiral case body and bellows, and one side that is close to the ventilation hole of first sound piece has the water conservancy diversion inclined plane, and the water conservancy diversion inclined plane is from supreme position slope setting that keeps away from the center of ventilation hole down. The first sound absorbing piece is arranged between the volute body and the bottom side of the air box, so that sound absorption at the air inlet is realized, noise at the air inlet is reduced, and the first layer of noise reduction of the fan structure is realized; and through setting up inhale sound spiral case structure, realize inhaling the sound to wind wheel structure department, and then realize the second floor of fan structure and make an uproar that falls. So that the fan structure has better noise reduction effect, has smaller volume and does not occupy larger cabinet space.
Drawings
FIG. 1 is a schematic perspective view of a fan structure according to an embodiment of the present utility model;
FIG. 2 is an exploded view of the angle of FIG. 1;
FIG. 3 is a left side view of a blower configuration provided in an embodiment of the utility model;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is an exploded view of the other angle of FIG. 1;
FIG. 6 is a top view of a fan structure provided in an embodiment of the present utility model with an upper plate removed;
Fig. 7 is an exploded view of yet another angle of fig. 1.
In the figure:
1. A wind box; 11. a lower cover; 12. an upper cover; 121. an upper plate; 122. a side plate; 1221. an oil guiding groove; 1222. an oil receiving convex groove; 13. an air inlet; 14. an air outlet; 100. a wind chamber;
2. a wind wheel structure; 21. a wind wheel body; 22. a motor;
3. An air outlet seat; 31. an air outlet seat body; 32. a third connecting flanging; 33. a first connecting flange; 34. a second connecting flanging;
4. A sound absorbing volute structure; 41. a volute body; 410. a vent hole; 411. a volute floor; 412. a volute inner coaming; 4121. a second sound absorbing hole; 413. a volute peripheral plate; 414. a partition plate; 401. a first air outlet duct; 402. a second air outlet duct; 403. a first accommodating groove; 404. a second accommodating groove; 405. a third accommodating groove; 406. a fourth accommodating groove; 42. a sound absorbing structure; 420. a first accommodation chamber; 421. a second sound absorbing member; 422. a third sound absorbing member; 423. a fourth sound absorbing member; 424. a fifth sound absorbing member;
5. A first sound absorbing member; 51. a diversion inclined plane; 511. a first sound absorbing hole.
Detailed Description
The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.
Referring to fig. 1-7, the present utility model provides a fan structure of a range hood, which includes a bellows 1, a sound absorbing volute structure 4, a wind wheel structure 2 and a first sound absorbing member 5. An air cavity 100 is arranged in the air box 1, an air inlet 13 and an air outlet 14 are formed in the air box 1, and the air inlet 13 is formed in the bottom side of the air box 1. The sound absorbing volute structure 4 is arranged in the wind cavity 100, the sound absorbing volute structure 4 comprises a volute body 41 and a sound absorbing structure 42 arranged in the volute body 41, and the volute body 41 is provided with a vent hole 410. The wind wheel structure 2 is disposed in the sound absorbing volute structure 4, and a wind suction port of the wind wheel structure 2 is disposed corresponding to the ventilation hole 410. The first sound absorbing member 5 is disposed between the scroll body 41 and the bottom side of the bellows 1, and a side of the first sound absorbing member 5 near the ventilation hole 410 has a diversion slope 51, and the diversion slope 51 is disposed obliquely from bottom to top toward a position far from the center of the ventilation hole 410. The first sound absorbing piece 5 is arranged between the volute body 41 and the bottom side of the air box 1, so that sound absorption at the air inlet 13 is realized, noise at the air inlet 13 is reduced, and the first layer of noise reduction of the fan structure is realized; by arranging the sound-absorbing volute structure 4, sound absorption of the wind wheel structure 2 is achieved, and further noise reduction of a second layer of the fan structure is achieved. So that the fan structure has better noise reduction effect, has smaller volume and does not occupy larger cabinet space.
Optionally, the diversion slope 51 is provided with a plurality of first sound absorbing holes 511 to improve the sound absorbing effect.
Optionally, the volute body 41 includes a volute bottom plate 411, the vent hole 410 is formed on the volute bottom plate 411, a first accommodating cavity 420 and a first air outlet duct 401 are disposed in the volute body 41, the first air outlet duct 401 is communicated with the air outlet 14, the wind wheel structure 2 is disposed in the first accommodating cavity 420 and connected with the volute bottom plate 411, and the silencing structure 4 is disposed outside the wind wheel structure 2.
Optionally, the volute body 41 further includes a volute outer shroud 413 disposed on a peripheral side of the volute bottom plate 411 and a volute inner shroud 412 disposed on an inner side of the volute outer shroud 413, the vent 410 is formed on the volute bottom plate 411, a first accommodating chamber 420 and a first air outlet duct 401 are formed on an inner side of the volute inner shroud 412, the first air outlet duct 401 is communicated with the air outlet 14, the wind wheel structure 2 is disposed in the first accommodating chamber 420 and is connected with the volute bottom plate 411, a second air outlet duct 402 communicated with the first air outlet duct 401 is formed between the wind wheel structure 2 and the volute inner shroud 412, a second accommodating chamber is formed between the volute outer shroud 413 and the volute inner shroud 412, the sound absorbing structure 42 is disposed in the second accommodating chamber, a plurality of second sound absorbing holes 4121 are formed in the volute inner shroud 412, and the volute body 41 and the sound absorbing structure 42 are matched to form the sound absorbing volute structure 4 through setting up in the volute body 41, so that the structure is simple in structure, and a good sound absorbing effect can be achieved.
Optionally, a partition 414 is disposed in the second accommodating cavity, the partition 414 divides the second accommodating cavity into a first accommodating groove 403, a second accommodating groove 404, a third accommodating groove 405 and a fourth accommodating groove 406, the sound absorbing structure 42 includes a second sound absorbing member 421 having the same shape as the first accommodating groove 403, a third sound absorbing member 422 having the same shape as the second accommodating groove 404, a fourth sound absorbing member 423 having the same shape as the third accommodating groove 405 and a fifth sound absorbing member 424 having the same shape as the fourth accommodating groove 406, the second sound absorbing member 421 is disposed in the first accommodating groove 403, the third sound absorbing member 422 is disposed in the second accommodating groove 404, the fourth sound absorbing member 423 is disposed in the third accommodating groove 405, and the fifth sound absorbing member 424 is disposed in the fourth accommodating groove 406. The second receiving chamber is divided into the first receiving groove 403, the second receiving groove 404, the third receiving groove 405 and the fourth receiving groove 406 by the partition 414 so that the sound absorbing structure 42 is cut into the second sound absorbing member 421 having the same shape as the first receiving groove 403, the third sound absorbing member 422 having the same shape as the second receiving groove 404, the fourth sound absorbing member 423 having the same shape as the third receiving groove 405 and the fifth sound absorbing member 424 having the same shape as the fourth receiving groove 406, thereby facilitating the installation into the first receiving groove 403, the second receiving groove 404, the third receiving groove 405 and the fourth receiving groove 406.
Optionally, a plurality of third sound absorbing holes are further formed on the volute bottom plate 411, and the third sound absorbing holes are located at positions corresponding to the sound absorbing structures 42, so as to assist in absorbing noise at the air inlet 13 and reducing noise at the air inlet 13.
Optionally, the wind wheel structure 2 includes a wind wheel body 21 and a motor 22 for driving the wind wheel body 21 to rotate, the wind wheel body 21 is installed on the volute bottom plate 411, and an air suction port of the wind wheel body 21 is correspondingly arranged with the ventilation hole 410, and the motor 22 is in transmission connection with the wind wheel body 21 and extends out of the bellows 1, so as to facilitate heat dissipation of the motor 22.
Optionally, the air outlet seat 3 is further included, an oil blocking connecting structure is arranged on the periphery of the air outlet 14, and the air outlet seat 3 is arranged at the oil blocking connecting structure, so that oil stains at the connecting position of the air outlet seat 3 and the air box 1 can flow back into the air box 1, and oil stains are prevented from dripping from the air outlet seat 3.
Optionally, the oil retaining connection structure includes an oil receiving convex groove 1222 and an oil guiding groove 1221, the oil guiding groove 1221 is disposed on an upper portion of a peripheral side of the air outlet 14, the oil receiving convex groove 1222 is disposed on a lower portion of the peripheral side of the air outlet 14, the air outlet seat 3 includes an air outlet seat body 31, and a first connection flange 33 and a second connection flange 34 disposed at one end of the air outlet seat body 31, the first connection flange 33 is attached to and installed at a bottom of the oil guiding groove 1221, and the second connection flange 34 is inserted into the oil receiving convex groove 1222 and connected with the oil receiving convex groove 1222, so that oil stains at the first connection flange 33 and the second connection flange 34 can both flow back into the air box 1 via the oil receiving convex groove 1222.
Optionally, one end of the air outlet seat body 31 is further provided with a third connection flange 32 located on the upper side of the first connection flange 33, and the third connection flange 32 is attached to and installed on the upper side of the bellows 1.
Alternatively, the air outlet 14 is provided on the circumferential side of the bellows 1.
Optionally, the bellows 1 includes a lower cover 11 and an upper cover 12, the lower cover 11 and the upper cover 12 enclose to form a wind cavity 100, the air inlet 13 is formed on the lower cover 11, and the air outlet 14 is formed on the peripheral side of the upper cover 12.
Optionally, the upper cover 12 includes an upper plate 121 and a side plate 122, the upper plate 121 is connected to one side of the side plate 122, and the lower cover 11 is connected to the other side of the side plate 122 to enclose the wind chamber 100.
Another aspect of the utility model provides a range hood, comprising the fan structure of the range hood.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (11)
1. A fan structure of a range hood, comprising:
The air box (1) is internally provided with an air cavity (100), an air inlet (13) and an air outlet (14) are formed in the air box (1), and the air inlet (13) is formed in the bottom side of the air box (1);
The sound-absorbing volute structure (4) is arranged in the air cavity (100), the sound-absorbing volute structure (4) comprises a volute body (41) and a sound-absorbing structure (42) arranged in the volute body (41), and a vent hole (410) is formed in the volute body (41);
The wind wheel structure (2) is arranged in the sound absorbing volute structure (4), and an air suction inlet of the wind wheel structure (2) is arranged corresponding to the ventilation hole (410);
The first sound-absorbing piece (5) is arranged between the volute body (41) and the bottom side of the bellows (1), one side, close to the ventilation hole (410), of the first sound-absorbing piece (5) is provided with a diversion inclined surface (51), and the diversion inclined surface (51) is obliquely arranged from bottom to top and is far away from the center of the ventilation hole (410).
2. The fan structure of the range hood according to claim 1, wherein the diversion slope (51) is provided with a plurality of first sound absorbing holes (511).
3. The fan structure of a range hood according to claim 1, wherein the volute body (41) comprises a volute bottom plate (411), the vent hole (410) is formed in the volute bottom plate (411), a first accommodating cavity (420) and a first air outlet channel (401) are formed in the volute body (41), the first air outlet channel (401) is communicated with the air outlet (14), the wind wheel structure (2) is arranged in the first accommodating cavity (420) and is connected with the volute bottom plate (411), and the sound absorbing structure (42) is arranged on the outer side of the wind wheel structure (2).
4. A fan structure of a range hood according to claim 3, wherein the volute body (41) further comprises a volute outer shroud (413) arranged on the periphery of the volute bottom plate (411) and a volute inner shroud (412) arranged on the inner side of the volute outer shroud (413), the first accommodating cavity (420) and the first air outlet channel (401) are formed on the inner side of the volute inner shroud (412), a second air outlet channel (402) communicated with the first air outlet channel (401) is formed between the wind wheel structure (2) and the volute inner shroud (412), a second accommodating cavity is formed between the volute outer shroud (413) and the volute inner shroud (412), the sound absorbing structure (42) is arranged in the second accommodating cavity, and a plurality of second holes (4121) are formed in the volute inner shroud (412) in a sound absorbing manner.
5. The fan structure of a range hood according to claim 4, wherein a partition plate (414) is disposed in the second accommodating cavity, three partition plates (414) divide the second accommodating cavity into a first accommodating groove (403), a second accommodating groove (404), a third accommodating groove (405) and a fourth accommodating groove (406), the sound absorbing structure (42) includes a second sound absorbing member (421) having the same shape as the first accommodating groove (403), a third sound absorbing member (422) having the same shape as the second accommodating groove (404), a fourth sound absorbing member (423) having the same shape as the third accommodating groove (405) and a fifth sound absorbing member (424) having the same shape as the fourth accommodating groove (406), the second sound absorbing member (421) is disposed in the first accommodating groove (403), the third sound absorbing member (422) is disposed in the second accommodating groove (404), and the fourth sound absorbing member (423) is disposed in the fourth accommodating groove (406).
6. The fan structure according to claim 4, wherein the volute bottom plate (411) is further provided with a plurality of third sound absorbing holes (4111), and the third sound absorbing holes (4111) are located at positions corresponding to the sound absorbing structures (42).
7. The fan structure according to claim 4, characterized in that the wind wheel structure (2), the wind wheel structure (2) comprises a wind wheel body (21) and a motor (22) for driving the wind wheel body (21) to rotate, the wind wheel body (21) is installed on the volute bottom plate (411), and an air suction port of the wind wheel body (21) is correspondingly arranged with the ventilation hole (410), and the motor (22) is in transmission connection with the wind wheel body (21) and extends out of the bellows (1).
8. The fan structure according to any one of claims 1 to 7, further comprising an air outlet seat (3), wherein an oil blocking connection structure is provided on a peripheral side of the air outlet (14), and the air outlet seat (3) is installed at the oil blocking connection structure.
9. The fan structure according to claim 8, wherein the oil blocking connection structure comprises an oil receiving convex groove (1222) and an oil guiding groove (1221), the oil guiding groove (1221) is arranged at the upper part of the peripheral side of the air outlet (14), the oil receiving convex groove (1222) is arranged at the lower part of the peripheral side of the air outlet (14), the air outlet seat (3) comprises an air outlet seat body (31) and a first connection flange (33) and a second connection flange (34) which are arranged at one end of the air outlet seat body (31), the first connection flange (33) is attached to and installed at the groove bottom of the oil guiding groove (1221), and the second connection flange (34) is inserted into the oil receiving convex groove (1222) and is connected with the oil receiving convex groove (1222).
10. A fan structure according to claim 8, characterized in that the air outlet (14) is provided at the peripheral side of the bellows (1).
11. A range hood comprising the blower structure of any one of claims 1-0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688718.1U CN221195434U (en) | 2023-10-08 | 2023-10-08 | Fan structure of range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688718.1U CN221195434U (en) | 2023-10-08 | 2023-10-08 | Fan structure of range hood and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221195434U true CN221195434U (en) | 2024-06-21 |
Family
ID=91518759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322688718.1U Active CN221195434U (en) | 2023-10-08 | 2023-10-08 | Fan structure of range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221195434U (en) |
-
2023
- 2023-10-08 CN CN202322688718.1U patent/CN221195434U/en active Active
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| GR01 | Patent grant |