CN219795686U - Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen - Google Patents

Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen Download PDF

Info

Publication number
CN219795686U
CN219795686U CN202320603915.6U CN202320603915U CN219795686U CN 219795686 U CN219795686 U CN 219795686U CN 202320603915 U CN202320603915 U CN 202320603915U CN 219795686 U CN219795686 U CN 219795686U
Authority
CN
China
Prior art keywords
side plate
noise reduction
plate
air outlet
reduction structure
Prior art date
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.)
Active
Application number
CN202320603915.6U
Other languages
Chinese (zh)
Inventor
请求不公布姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marssenger Kitchenware Co Ltd
Original Assignee
Marssenger Kitchenware Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marssenger Kitchenware Co Ltd filed Critical Marssenger Kitchenware Co Ltd
Priority to CN202320603915.6U priority Critical patent/CN219795686U/en
Application granted granted Critical
Publication of CN219795686U publication Critical patent/CN219795686U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model discloses a noise reduction structure, a volute, an air outlet cover, a fan and an integrated stove. The noise reduction mechanism comprises an inclined plate, a first side plate and a second side plate. At least one concave part is arranged at least one of the free end part of the first side plate, the free end part of the second side plate and the free end part of the inclined plate, and the concave part is concavely arranged in a direction away from the inlet of the oil discharge channel, so that noise of air flow passing through the oil discharge channel is reduced, and user experience is improved.

Description

Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen
Technical Field
The utility model belongs to the technical field of kitchen appliances, and particularly relates to a noise reduction structure, a volute, an air outlet cover, a fan and an integrated kitchen range.
Background
The main noise source of the integrated kitchen range is a range hood, and the fan is a core power component of the range hood. When integrated kitchen operation, the fan can produce the noise, influences user experience.
Disclosure of Invention
In view of the defects existing in the prior art, the utility model provides a noise reduction structure, a volute, an air outlet cover, a fan and an integrated stove, and aims to solve the technical problem that in the prior art, the integrated stove is poor in user experience due to large noise.
In order to achieve the above purpose, the present utility model provides a noise reduction structure, which is configured in the interior of a fan volute or the interior of an air outlet cover of a fan.
The noise reduction structure includes: the device comprises an inclined plate, a first side plate and a second side plate; the first end of the first side plate is connected with one end of the inclined plate, and the second end of the first side plate is used for being connected with a fan volute body or a body of the air outlet cover; the first end of the second side plate is connected with the inclined plate, the second end of the second side plate is used for being connected with a fan volute body or a body of the air outlet cover, and the first side plate and the second side plate are oppositely arranged; the first end of the inclined plate is used for being connected with the fan volute body or the body of the air outlet cover; the noise reduction structure further comprises an oil discharge channel, wherein the oil discharge channel is communicated with an internal air channel of the fan volute or is communicated with an internal air channel of the air outlet cover, and a cavity formed by surrounding the inclined plate, the first side plate and the second side plate forms the oil discharge channel; the wall surface corresponding to the free end part of the first side plate, the wall surface corresponding to the free end part of the second side plate and the wall surface corresponding to the end part of the inclined plate form at least part of the wall surface corresponding to the inlet of the oil discharge channel; at least one of the free end of the first side plate, the free end of the second side plate, and the free end of the inclined plate includes at least one recess concavely provided in a direction away from the oil drain passage inlet.
The distance between the first side plate and the second side plate gradually decreases from the first end of the inclined plate to the free end of the inclined plate.
When the free end portion of the inclined plate is provided with the concave portions, the number of concave portions is plural, and the concave portions are uniformly distributed along the width direction of the inclined plate.
The utility model also provides a volute, which comprises the noise reduction structure and a volute body, wherein the volute body comprises a back plate, a front plate arranged opposite to the back plate, a coaming arranged between the back plate and the front plate, an air duct and an air outlet; the cavity formed by the back plate, the front plate and the coaming in a surrounding way forms at least part of the air duct; the air duct is communicated with the air outlet; the noise reduction structure is arranged towards the inner side of the coaming; the oil discharge channel of the noise reduction structure is communicated with the internal air channel of the fan volute, and the noise reduction structure and the coaming are of a split structure and are fixedly connected or of an integral structure.
The angle between the inclined plate and the coaming is more than or equal to 150 degrees and less than or equal to 177 degrees.
The utility model also provides an air outlet cover, which comprises the noise reduction structure and an air outlet cover body, wherein the noise reduction structure is arranged towards the inner side of the air outlet cover body; the oil discharge channel of the noise reduction structure is communicated with the internal air duct of the air outlet cover; the noise reduction structure and the air outlet cover body are of a split structure and are fixedly connected, or the noise reduction structure and the air outlet cover are of an integrated structure.
The utility model also provides a fan, which comprises the volute or the air outlet cover.
The utility model also provides an integrated kitchen range, which comprises the fan.
The utility model has the advantages that: at least one concave part is arranged at least one of the free end part of the first side plate, the free end part of the second side plate and the free end part of the inclined plate, and the concave part is concavely arranged in a direction away from the inlet of the oil discharge channel, so that noise of air flow passing through the oil discharge channel is reduced, and user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a noise reducing structure of the present utility model;
FIG. 2 is a schematic view of a fan structure according to the present utility model;
fig. 3 is a schematic structural view of an assembly of an air outlet cover and a volute of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings 1-3 and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a noise reduction structure for being disposed inside a fan volute or inside an air outlet cover of a fan. Noise that the structure of making an uproar produced can reduce the fan operation, promotes user's use experience.
The noise reduction structure comprises: an inclined plate 1, a first side plate 2 and a second side plate 3; the first end of the first side plate 2 is connected with one end of the inclined plate, and the second end of the first side plate 2 is used for being connected with the body of the fan volute 11 or the body of the air outlet cover 12; the first end of the second side plate 3 is connected with the inclined plate 1, the second end of the second side plate 3 is used for being connected with the body of the fan volute 11 or the body of the air outlet cover 12, and the first side plate 2 and the second side plate 3 are oppositely arranged; the first end of the inclined plate 1 is used for being connected with the body of the fan volute 11 or the body of the air outlet cover 12; the second end of the inclined plate 1 is the free end. The noise reduction structure further comprises an oil discharge channel 4, wherein the oil discharge channel 4 is communicated with an internal air channel 13 of the fan volute 11 or the oil discharge channel 4 is communicated with an internal air channel 13 of the air outlet cover 12, and a cavity formed by surrounding the inclined plate 1, the first side plate 2 and the second side plate 3 forms the oil discharge channel 4; the oil drain passage 4 is used for discharging oil drops falling down through the fan. The wall corresponding to the free end of the first side plate 2, the wall corresponding to the free end of the second side plate 3 and the wall corresponding to the end of the inclined plate 1 form at least part of the wall corresponding to the inlet of the oil drain channel 4; the wall surface corresponding to the inlet of the oil drain channel 4 can also comprise the wall surface corresponding to the body of the fan volute 11 or the body of the fan outlet cover 12. Referring to fig. 1, in the present embodiment, at least one recess 5 is provided in each of the free end portion of the first side plate 2, the free end portion of the second side plate 3, and the free end portion of the inclined plate 1, and the recess 5 is concavely provided in a direction away from the inlet of the oil drain passage 4. The arrangement is beneficial to reducing the noise of the air flow passing through the oil discharge channel 4, so that the user experience is improved; as another embodiment, at least one recess 5 may be provided in at least one of the free end portion of the first side plate 2, the free end portion of the second side plate 3, and the free end portion of the inclined plate 1.
The distance between the first side plate 2 and the second side plate 3 gradually decreases from the first end of the inclined plate 1 to the free end of the inclined plate 1, so that the noise of the air flow passing through the oil discharge channel 4 is reduced, the inflow speed of the air flow outside the oil discharge channel 4 entering the inlet of the oil discharge channel 4 is improved, and the air inlet efficiency is improved.
When the free end portion of the inclined plate 1 is provided with the recesses 5, the number of the recesses 5 is plural, the recesses 5 are uniformly distributed along the width direction of the inclined plate 1, so that the uniformly distributed recesses 5 can uniformly reduce noise of wind passing through the oil discharge passage 4, thereby improving user experience.
The utility model also provides a volute 11, which comprises a noise reduction structure and a volute 11 body, wherein the volute 11 body comprises a back plate 14, a front plate 15 arranged opposite to the back plate 14, a coaming 16 arranged between the back plate 14 and the front plate 15, an air duct 13 and an air outlet 17; the cavity formed by the back plate 14, the front plate 15 and the coaming 16 forms at least part of the air duct 13; the air duct 13 is communicated with the air outlet 17; the noise reducing structure is disposed toward the inside of the shroud 16; the oil discharging channel 4 of the noise reduction structure is communicated with the internal air channel 13 of the fan volute 11, and the noise reduction structure and the coaming 16 are in a split structure and fixedly connected or integrated. The oil smoke in the spiral case 11 is discharged from the air outlet 17 through the air duct 13, and noise generated in the air duct 13 is reduced through the noise reduction structure, and then noise heard by a user is reduced.
The angle between the inclined plate 1 and the coaming 16 is 150 degrees or more and 177 degrees or less, so that the noise reduction effect is better.
The utility model also provides an air outlet cover 12, which comprises a noise reduction structure and an air outlet cover 12 body, wherein the noise reduction structure is arranged towards the inner side of the air outlet cover 12 body; the oil discharge channel 4 of the noise reduction structure is communicated with the internal air duct 13 of the air outlet cover 12; the noise reduction structure and the air outlet cover 12 body are of a split structure and are fixedly connected or the noise reduction structure and the air outlet cover 12 are of an integrated structure. The oil smoke in the air outlet cover 12 is discharged through the air duct 13, and noise generated in the air duct 13 is reduced through the noise reduction structure, so that noise heard by a user is reduced.
The utility model also provides a fan, which comprises the volute 11 or the air outlet cover 12.
The utility model also provides an integrated kitchen range, which comprises the fan.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the scope of the utility model in any way, including the abstract and drawings, in which case any feature disclosed in this specification (including abstract and drawings) may be replaced by alternative features serving the same, equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

Claims (8)

1. The utility model provides a structure of making an uproar falls for set up in the inside of fan spiral case or the inside of the air-out cover of fan, its characterized in that:
the noise reduction structure includes: the device comprises an inclined plate, a first side plate and a second side plate; the first end of the first side plate is connected with one end of the inclined plate, and the second end of the first side plate is used for being connected with a fan volute body or a body of the air outlet cover; the first end of the second side plate is connected with the inclined plate, the second end of the second side plate is used for being connected with a fan volute body or a body of the air outlet cover, and the first side plate and the second side plate are oppositely arranged; the first end of the inclined plate is used for being connected with the fan volute body or the body of the air outlet cover; the noise reduction structure further comprises an oil discharge channel, wherein the oil discharge channel is communicated with an internal air channel of the fan volute or is communicated with an internal air channel of the air outlet cover, and a cavity formed by surrounding the inclined plate, the first side plate and the second side plate forms the oil discharge channel; the wall surface corresponding to the free end part of the first side plate, the wall surface corresponding to the free end part of the second side plate and the wall surface corresponding to the end part of the inclined plate form at least part of the wall surface corresponding to the inlet of the oil discharge channel; at least one of the free end of the first side plate, the free end of the second side plate, and the free end of the inclined plate includes at least one recess concavely provided in a direction away from the oil drain passage inlet.
2. The noise reducing structure of claim 1, wherein: the distance between the first side plate and the second side plate gradually decreases from the first end of the inclined plate to the free end of the inclined plate.
3. The noise reducing structure according to claim 1 or 2, characterized in that: when the free end portion of the inclined plate is provided with the concave portions, the number of concave portions is plural, and the concave portions are uniformly distributed along the width direction of the inclined plate.
4. A volute, characterized by: the noise reduction structure comprises the noise reduction structure as claimed in any one of claims 1 to 3 and a volute body, wherein the volute body comprises a back plate, a front plate arranged opposite to the back plate, a coaming plate arranged between the back plate and the front plate, an air duct and an air outlet; the cavity formed by the back plate, the front plate and the coaming in a surrounding way forms at least part of the air duct; the air duct is communicated with the air outlet; the noise reduction structure is arranged towards the inner side of the coaming; the oil discharge channel of the noise reduction structure is communicated with the internal air channel of the fan volute, and the noise reduction structure and the coaming are of a split structure and are fixedly connected or of an integral structure.
5. The volute of claim 4, wherein: the angle between the inclined plate and the coaming is more than or equal to 150 degrees and less than or equal to 177 degrees.
6. An air-out cover, its characterized in that: comprising the noise reduction structure of any one of claims 1-3 and an outlet housing body, the noise reduction structure being disposed towards the inside of the outlet housing body; the oil discharge channel of the noise reduction structure is communicated with the internal air duct of the air outlet cover; the noise reduction structure and the air outlet cover body are of a split structure and are fixedly connected, or the noise reduction structure and the air outlet cover are of an integrated structure.
7. A fan, characterized in that: comprising a volute or outlet housing according to any one of claims 4-6.
8. An integrated kitchen, characterized in that: comprising the blower of claim 7.
CN202320603915.6U 2023-03-23 2023-03-23 Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen Active CN219795686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320603915.6U CN219795686U (en) 2023-03-23 2023-03-23 Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320603915.6U CN219795686U (en) 2023-03-23 2023-03-23 Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen

Publications (1)

Publication Number Publication Date
CN219795686U true CN219795686U (en) 2023-10-03

Family

ID=88150951

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320603915.6U Active CN219795686U (en) 2023-03-23 2023-03-23 Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen

Country Status (1)

Country Link
CN (1) CN219795686U (en)

Similar Documents

Publication Publication Date Title
WO2017133371A1 (en) Ceiling-mounted exhaust hood
CN108240357B (en) Noise-reducing volute tongue of fan
CN207634387U (en) A kind of centrifugal blower volute for range hood
CN201448291U (en) Fan volute structure of range hood
CN107965470A (en) A kind of centrifugal blower volute for range hood
CN112377462B (en) Flow guide device, centrifugal fan applying flow guide device and range hood
CN206845543U (en) A kind of centrifugal blower volute for range hood
CN219795686U (en) Noise reduction structure, spiral case, air outlet cover, fan and integrated kitchen
CN105756981A (en) Noise reduction fan wall for shell-free centrifugal fan
CN102242944B (en) Static-suction-type range hood fan volute
CN205897284U (en) Range hood
CN212337718U (en) Large-air-pressure volute used in range hood and integrated stove
CN202141107U (en) Volute for fan of electrostatic induced-draught range hood
CN205639022U (en) A fan wall of making an uproar falls for having shell centrifugal fan
CN214501371U (en) Smoke collecting hood and range hood
CN109488637A (en) Wind wheel, fan and range hood
CN211650524U (en) Air outlet assembly and top air outlet outdoor unit with same
CN112762494A (en) Smoke collecting hood and range hood
CN217635801U (en) Diffusion air-out structure of range hood
CN211233007U (en) Lampblack absorber wind channel structure and lampblack absorber
CN108006779B (en) Integrated kitchen with turbo-charging function
CN210738681U (en) Ventilation and noise reduction door plate structure of generator set
CN216814288U (en) Double-cavity type range hood
CN221744130U (en) High-performance smoke machine air duct system
CN218522848U (en) Stable volute structure for centrifugal fan

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant