CN211822717U - Volute cover structure, volute component and fresh air conditioner - Google Patents
Volute cover structure, volute component and fresh air conditioner Download PDFInfo
- Publication number
- CN211822717U CN211822717U CN202020077031.8U CN202020077031U CN211822717U CN 211822717 U CN211822717 U CN 211822717U CN 202020077031 U CN202020077031 U CN 202020077031U CN 211822717 U CN211822717 U CN 211822717U
- Authority
- CN
- China
- Prior art keywords
- plane
- volute
- side plate
- cover structure
- air
- 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
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a spiral case lid structure, spiral case subassembly and new trend air conditioner, spiral case lid structure includes convex curb plate and the circular shape bottom plate that sets up perpendicularly and link to each other with the curb plate, be formed with the breach on the curb plate, the breach constitutes the partly of wind channel air outlet, be formed with the air intake on the bottom plate, the inboard of surrounding the part in air inlet and curb plate on the bottom plate constitutes the wind channel wall in wind channel, the bottom plate inboard includes first plane and second plane, first plane is located to extend along the edge of air intake from the breach on the curb plate, the part except that first plane constitutes the second plane on the bottom plate, form the difference in height between first plane and the second plane, the wind channel width that makes first plane correspond is greater than the wind channel width that the second plane corresponds. The utility model discloses a change spiral case lid bottom plate structure and make the wind channel structure change to reach the effect that reduces the air-out noise and improve tone quality.
Description
Technical Field
The utility model relates to a relevant technical field of spiral case, concretely relates to spiral case lid structure, spiral case subassembly and new trend air conditioner.
Background
The fresh air conditioner is a new and expensive air conditioner in the field of air conditioners, a fresh air component of the fresh air conditioner is a core device, and the design of the fresh air component is related to the performance of the whole fresh air conditioner. The volute is used as a core component of the fresh air component, and plays an important role in performance of the fresh air component.
The width of the existing volute on the air duct is consistent all the time, and the diffusion effect is also the same all the time, so that turbulence is formed at the air outlet due to overlarge speed and pressure, noise is formed, the tone quality is poor, and the user experience is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a spiral case lid structure, spiral case subassembly and new trend air conditioner is used for solving the big technical problem of spiral case air-out noise that exists among the prior art at least, specifically:
in a first aspect, the utility model provides a volute cover structure, which covers on the volute and forms an air channel between the volute and the volute cover structure, the volute cover structure comprises a circular side plate and a circular bottom plate which is vertically arranged and connected with the side plate,
a gap is formed on the side plate, the gap forms a part of the air outlet of the air duct,
an air inlet is formed on the bottom plate, the part of the bottom plate surrounding the air inlet and the inner side of the side plate form an air duct wall of the air duct,
the inner side of the bottom plate comprises a first plane and a second plane, the first plane extends from the notch on the side plate along the edge of the air inlet, the part of the bottom plate except the first plane forms the second plane,
and a height difference is formed between the first plane and the second plane, so that the air duct width corresponding to the first plane is larger than the air duct width corresponding to the second plane.
Further optionally, the difference in height between the first plane and the second plane is 3-7 mm.
Further optionally, at the position of the notch, the end portions of the bottom plate and the side plate are located on the same plane, an included angle α is formed between the end portions and the plane, a connecting position of the first plane and the second plane is defined on the bottom plate through a straight line passing through the center of the air inlet, and the value range of α is 0-30 °.
Further optionally, a first extending portion is disposed at the notch, the side plate and the bottom plate extend along a gas flow direction in the air duct to form the first extending portion, and a distance between two ends of the side plate on the first extending portion gradually increases along an extending direction.
Further optionally, the first end of the side plate is located at a position that is slightly left right under the center position of the air inlet, the second end of the side plate is located at the left side of the first end of the side plate,
the first end of the side plate extends along the radian of the side plate, the second end of the side plate extends after being bent, and in the extending direction of the side plate, the distance between the second end and the first end is gradually increased.
Further optionally, the length of the first extension is 8-12 mm.
A second aspect of the present invention provides a spiral case subassembly, including spiral case, motor, fan blade and above-mentioned spiral case cap structure, spiral case cap structure lid closes on the spiral case with form the wind channel between the spiral case cap structure, the motor is fixed on the spiral case, the fan blade is connected in on the drive shaft of motor, just the fan blade with the air intake in the spiral case cap structure sets up relatively.
Further optionally, a third plane opposite to the first plane and a fourth plane opposite to the second plane are formed inside the volute,
and a height difference is formed between the third plane and the fourth plane, so that the air duct width corresponding to the third plane is larger than the air duct width corresponding to the fourth plane.
Further optionally, a second outer extending portion opposite to the first outer extending portion is arranged on the volute, the volute cover structure covers the volute, and the first outer extending portion and the second outer extending portion are in butt joint to form an outer extending air outlet of the air duct.
The third aspect, the utility model provides a fresh air conditioner, including the fresh air part, the fresh air part includes above-mentioned spiral case subassembly.
The utility model discloses a change the bottom plate structure of spiral case lid structure for the wind channel width who is close to the export part in wind channel increases, changes the diffusion effect, makes the air current can reach deceleration, step-down, avoids forming the torrent in the wind channel, thereby can the noise reduction, improve tone quality, makes user experience better.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
Fig. 1 shows a schematic structural diagram of a volute cover provided by the present invention;
FIG. 2 is a schematic view illustrating an assembly state of a volute cover structure and a fan blade;
fig. 3 shows an explosion structure diagram of the volute assembly provided by the present invention.
In the figure:
10-volute cover structure; 11-a base plate; 111-a first plane; 112-a second plane; 113-an air inlet; 114-an air intake grille; 12-side plates; 121-a first end; 13-a first extension; 20-a volute; 21-a second epitaxial portion; 30-a motor; and 40-fan blades.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The utility model provides a spiral case lid structure mainly used improves the problem of spiral case structure air-out noise, is close to the width of export part through increasing the wind channel to and the velocity of flow and the pressure when extending the air outlet in wind channel and making the air current flow reduce, thereby improve tone quality, noise reduction influence.
The first embodiment is as follows:
the present embodiment provides a volute cover structure, which covers a volute and forms an air duct between the volute and the volute cover structure, as shown in fig. 1 and fig. 2, the volute cover structure 10 includes a circular side plate 12 and a circular bottom plate 11, the circular side plate 12 is perpendicular to the side plate 12 and is connected to the circular bottom plate 11, and the side plate 12 is perpendicular to the bottom plate 11 and is disposed along an edge of the bottom plate 11 and is hermetically connected to the bottom plate 11.
The bottom plate 11 is formed with an air inlet 113, preferably, the air inlet 113 is a circular hole, and an air inlet grille 114 is disposed at the air inlet 113. The portion of the bottom plate 11 surrounding the air inlet 113 and the inner side of the side plate 12 constitute the air duct wall of the air duct. The side plates 12 are formed with notches, that is, both ends of the side plates 12 do not contact in the circumferential direction of the bottom plate 11, and a notch is formed between both ends of the side plates 12, and the notch constitutes a part of the air outlet of the air duct.
The inner side of the bottom plate 11 includes a first plane 111 and a second plane 112, the first plane 111 extends from the notch on the side plate 12 along the edge of the air inlet 113, the first plane 111 and the second plane 112 are both configured as arc-shaped planes disposed along the edge of the air inlet 113, the first plane 111, the second plane 112 and the side plate 12 form an air duct wall of the air duct, and the air flow first flows through the area corresponding to the second plane 112, then flows to the area corresponding to the first plane 111, and finally flows out through the air outlet.
The part of the bottom plate 11 except the first plane 111 forms a second plane 112, and a height difference is formed between the first plane 111 and the second plane 112, so that the width of the air channel corresponding to the first plane 111 is larger than the width of the air channel corresponding to the second plane 112, and when air flows from the air channel corresponding to the second plane 112 to the air channel corresponding to the first plane 111, the air speed can be reduced, the pressure intensity can be reduced, turbulence in the air channel can be avoided, noise can be reduced, and the sound quality can be improved.
Preferably, the difference in height between the first plane 111 and the second plane 112 is 3-7 mm.
As shown in fig. 2, at the position of the notch, the end portions of the bottom plate 11 and the side plate 12 are located on the same plane, an included angle α is formed between the end portions and the plane, and a straight line passing through the center of the air inlet 113 defines a connection position of a first plane 111 and a second plane 112 on the bottom plate 11, where α ranges from 0 ° to 30 °. That is, the connection point of the first plane 111 and the second plane 112 is located in the range, for example, the connection line between the connection point and the center of the air inlet 113 and the plane where the end portions of the bottom plate 11 and the side plate 12 are located are at an angle of 20 °. Further, the notch is offset to the left of the intake vent 113, and similarly, the connection between the first plane 111 and the second plane 112 is located at the left of the intake vent 113, and it is easy to think that the connection between the first plane 111 and the second plane 112 is located at the right of the intake vent 113 when the notch is offset to the right of the intake vent 113. Preferably, the junction of the first plane 111 and the second plane 112 forms a rounded transition surface, so as to reduce the influence on the airflow.
Further, a first extension portion 13 is provided at the notch, and the air flow flows out through the first extension portion 13. Preferably, the length of the first extension portion 13 is 8-12mm, for example, 10mm, so as to move the air outlet of the air duct outward, so that the air flow can be buffered before flowing out.
Specifically, the side plate 12 and the bottom plate 11 extend along the air flow direction in the air duct to form a first extension portion 13, and the distance between the two ends of the side plate 12 located at the extension portion gradually increases along the extension direction, and preferably forms a horn-shaped structure, so that the air duct cross section is reduced when the air flow passes through the gap position, and then the air duct cross section is gradually increased when the air flow passes through the first extension portion 13. Like this the air current can make the air current deceleration through one section buffering after the minimum position of wind channel passageway of flowing through, avoids forming the torrent in air outlet department to can the noise reduction, improve tone quality.
Specifically, the first end 121 of the side plate 12 is located at a position slightly to the left right below the center of the air inlet 113, preferably, at a position slightly to the left 8cm below the air inlet 113, the second end of the side plate 12 is located at the left side of the first end 121, and a gap is formed between the first end 121 and the second end.
The first end 121 of the side plate 12 extends along the radian thereof, the second end of the side plate 12 extends after being bent, and in the extending direction thereof, the distance between the second end and the first end 121 is gradually increased, the second end is extended by increasing the bending angle of the second end and then gradually departs from the first end 121, and a trumpet shape is formed between the first end 121 and the second end.
Example two:
the present embodiment provides a volute assembly, as shown in fig. 3, including a volute 20, a motor 30, a fan blade 40, and the volute cover structure 10, where the volute cover structure 10 covers the volute 20, and an air duct is formed between the volute 20 and the volute cover structure 10.
The motor 30 is fixed on the volute 20, the fan blade 40 is connected to a driving shaft of the motor 30, and the fan blade 40 is arranged opposite to the air inlet 113 on the volute cover structure 10, that is, the rotation center of the fan blade 40 is opposite to the center of the air inlet 113.
The volute casing 20 is provided with a second extending portion 21 opposite to the first extending portion 13, the second extending portion 21 and the first extending portion 13 form a symmetrical structure, the volute casing cover structure 10 covers the volute casing 20, and the first extending portion 13 and the second extending portion 21 are in butt joint to form an extending air outlet of the air duct.
Preferably, a third plane opposite to the first plane 111 and a fourth plane opposite to the second plane 112 are formed inside the scroll casing 20, and a height difference is formed between the third plane and the fourth plane, so that the air channel width corresponding to the third plane is larger than the air channel width corresponding to the fourth plane. Thereby further increasing the width of the air duct near the air outlet portion, or alternatively, the height difference between the first plane 111 and the second plane 112 on the volute cover structure 10 can be reduced.
The third embodiment:
this embodiment provides a new trend air conditioner, including new trend part, new trend part includes above-mentioned spiral case subassembly. The volute component can reduce the noise of air outlet and improve tone quality, so that the user experience is improved, and the popularization of the fresh air conditioner is facilitated.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A volute cover structure is covered on a volute and an air channel is formed between the volute and the volute cover structure, and is characterized in that the volute cover structure comprises a circular side plate and a circular bottom plate which is vertically arranged with the side plate and is connected with the side plate,
a gap is formed on the side plate, the gap forms a part of the air outlet of the air duct,
an air inlet is formed on the bottom plate, the part of the bottom plate surrounding the air inlet and the inner side of the side plate form an air duct wall of the air duct,
the inner side of the bottom plate comprises a first plane and a second plane, the first plane extends from the notch on the side plate along the edge of the air inlet, the part of the bottom plate except the first plane forms the second plane,
and a height difference is formed between the first plane and the second plane, so that the air duct width corresponding to the first plane is larger than the air duct width corresponding to the second plane.
2. The volute cover structure of claim 1, wherein the difference in height between the first plane and the second plane is 3-7 mm.
3. The volute cover structure of claim 1, wherein the bottom plate and the side plate have ends that are located in a same plane at the location of the notch, and form an angle α with the plane, and a straight line passing through the center of the air inlet defines a connection location of the first plane and the second plane on the bottom plate, where α is in a range of 0 ° to 30 °.
4. The volute cover structure of claim 1, wherein a first extension is provided at the gap, the side plate and the bottom plate extend in a gas flow direction within the duct to form the first extension, and a distance between ends of the side plate on the first extension gradually increases in a direction of extension.
5. The volute cover structure of claim 4, wherein the first end of the side plate is located right below the center of the air inlet and to the left, the second end of the side plate is located to the left of the first end of the side plate,
the first end of the side plate extends along the radian of the side plate, the second end of the side plate extends after being bent, and in the extending direction of the side plate, the distance between the second end and the first end is gradually increased.
6. The volute cover structure of claim 4, wherein the first extension is 8-12mm in length.
7. A volute assembly comprising a volute, a motor, a fan blade, and the volute cover structure of any one of claims 1-6, wherein the volute cover structure covers the volute, an air duct is formed between the volute and the volute cover structure, the motor is fixed to the volute, the fan blade is connected to a drive shaft of the motor, and the fan blade is disposed opposite to an air inlet of the volute cover structure.
8. The volute assembly of claim 7, wherein the volute inner side is formed with a third plane opposite the first plane, and a fourth plane opposite the second plane,
and a height difference is formed between the third plane and the fourth plane, so that the air duct width corresponding to the third plane is larger than the air duct width corresponding to the fourth plane.
9. The volute assembly of claim 8, wherein the volute cover structure is the volute cover structure of claim 4, wherein the volute has a second extension opposite the first extension, the volute cover structure covers the volute, and the first extension and the second extension abut to form an extended outlet of the duct.
10. A fresh air conditioner including a fresh air component, the fresh air component including a volute assembly according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077031.8U CN211822717U (en) | 2020-01-13 | 2020-01-13 | Volute cover structure, volute component and fresh air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077031.8U CN211822717U (en) | 2020-01-13 | 2020-01-13 | Volute cover structure, volute component and fresh air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211822717U true CN211822717U (en) | 2020-10-30 |
Family
ID=72990021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020077031.8U Active CN211822717U (en) | 2020-01-13 | 2020-01-13 | Volute cover structure, volute component and fresh air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211822717U (en) |
-
2020
- 2020-01-13 CN CN202020077031.8U patent/CN211822717U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102317338B1 (en) | Blower and outdoor unit of air conditioner having the same | |
| US8784060B2 (en) | Centrifugal fan | |
| WO2020077814A1 (en) | Counter-rotating fan | |
| CN107850083B (en) | Blower and air conditioner equipped with same | |
| JP3843941B2 (en) | Centrifugal blower | |
| KR101019832B1 (en) | Centrifugal blower | |
| KR20060059190A (en) | Cross-flow fan and indoor unit of airconditioner having the same | |
| JP2010124534A (en) | Mixed flow fan for electric motors and motor equipped with this mixed flow fan | |
| US7771169B2 (en) | Centrifugal multiblade fan | |
| CN211822717U (en) | Volute cover structure, volute component and fresh air conditioner | |
| JP2006526734A (en) | Blower fan | |
| JP2009275524A (en) | Axial flow blower | |
| JP2956317B2 (en) | Air conditioner | |
| JP6179819B2 (en) | Air conditioner | |
| JP4512352B2 (en) | Pipe fan | |
| JPS5922080B2 (en) | Axial flow fan for air conditioner | |
| CN219264429U (en) | Air inlet structure, spiral case and air conditioner | |
| US20240035487A1 (en) | Fan and scroll housing for fan | |
| JP2005016457A (en) | Blower and heat exchange unit equipped with blower | |
| JP2016114047A (en) | Diffuser and air conditioning device | |
| CN219413024U (en) | Centrifugal fan and range hood | |
| CN219865578U (en) | Centrifugal fan and air conditioner | |
| CN219711861U (en) | Backward centrifugal wind wheel and centrifugal fan | |
| CN218624741U (en) | Centrifugal wind wheel and new fan | |
| JP6340585B2 (en) | Cross flow fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |