CN210035698U - Impeller and air purifier - Google Patents
Impeller and air purifier Download PDFInfo
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- CN210035698U CN210035698U CN201920881667.5U CN201920881667U CN210035698U CN 210035698 U CN210035698 U CN 210035698U CN 201920881667 U CN201920881667 U CN 201920881667U CN 210035698 U CN210035698 U CN 210035698U
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Abstract
The utility model discloses an impeller and air purifier, this impeller includes: a first guide member; the second guide piece comprises an air inlet end and a second air outlet end, the air inlet end is communicated with the second air outlet end to form an air guide duct, the second air outlet end and the first guide piece are arranged at intervals to form an air outlet, and the second air outlet end faces the first air outlet end; and the blades are arranged between the first guide piece and the second guide piece, one end of each blade is fixedly arranged on the inner wall of the air guide air duct, the other end of each blade is connected with one end of the first guide piece, and the other end of each first guide piece is a first air outlet end.
Description
Technical Field
The utility model relates to an air purification technical field especially relates to an impeller and air purifier.
Background
Along with economic quick development, haze pollution is also more and more serious simultaneously, and the air treatment difficult problem is difficult to solve for a moment, and along with the improvement of standard of living, people also are more and more high to healthy attention degree in addition, therefore the demand of consumer to air purifier turns into the rigidity demand gradually.
However, the air output of the traditional air purifier is low, and the use of a user is influenced.
SUMMERY OF THE UTILITY MODEL
Based on the technical scheme, the impeller and the air purifier are provided, aiming at the problems that the air output of the traditional air purifier is low and the use of a user is influenced, and the air output can be increased by the impeller; this air purifier includes above-mentioned impeller, therefore this air purifier possesses the high advantage of air output.
The specific technical scheme is as follows:
in one aspect, the present application relates to an impeller comprising: one end of the first guide piece is a first air outlet end; the second guide piece comprises an air inlet end and a second air outlet end, the air inlet end is communicated with the second air outlet end to form an air guide duct, the second air outlet end and the first guide piece are arranged at intervals to form an air outlet, and the second air outlet end faces the first air outlet end; and the blades are arranged between the first guide piece and the second guide piece, one end of each blade is fixedly arranged on the inner wall of the air guide air duct, and the other end of each blade is connected with the other end of the first guide piece.
Above-mentioned impeller is when using, generally sets up in the inside wind channel of air purifier's casing, and the air current is followed the air inlet end and is got into, discharges along the air outlet under the effect of blade, at this moment, because second air-out end orientation first air-out end sets up, and when wind was discharged along second air-out end, the air current can not directly strike the lateral wall in the inside wind channel of casing, consequently, can reduce the loss of air current, and then promotes the air output.
The technical solution is further explained below:
in one embodiment, the air guide duct is provided with an air guide structure, and the air guide structure is used for guiding the air flow to the second air outlet end along the air inlet end.
In one embodiment, the air guiding structure includes a first air guiding portion protruding inward and a second air guiding portion recessed outward, the first air guiding portion is connected to the second air guiding portion, the first air guiding portion is close to the air inlet end, and the second air guiding portion is close to the second air outlet end.
In one embodiment, an angle between a tangent line of the end part of the second air outlet end and the radial direction of the air guide duct is a, wherein a is more than or equal to 90 degrees and less than or equal to 120 degrees.
In one embodiment, the angle c of the inlet setting angle of the blade is 25 DEG ≦ c ≦ 40 deg.
In one embodiment, the angle d of the outlet setting angle of the blade is 30 DEG-50 deg.
In one embodiment, the inner diameter of the air guide duct at the second air outlet end is R1The outer diameter of the air guide duct at the second air outlet end is R2，0.65R2≤R1≤0.8R2。
In one embodiment, the outer diameter of the air guide duct at the second air outlet end is R2Wherein R is more than or equal to 160mm2≤170mm。
In one embodiment, the cross-sectional area of the second wind outlet end is larger than that of the first wind outlet end.
In one embodiment, the cross-sectional area of the first guide member gradually increases along the direction from the air inlet end to the second air outlet end.
In one embodiment, the power device further comprises a mounting shaft sleeve for connecting with a rotary power device, the first guide member is provided with a mounting hole, and the mounting shaft sleeve is arranged in the mounting hole.
In one embodiment, the mounting sleeve further comprises a damping piece, and the damping piece is fixedly arranged on the inner wall of the mounting sleeve.
In one embodiment, the first guide member includes a mounting body provided with the mounting hole, and an outer wall of the mounting body is provided with a reinforcing rib.
In one embodiment, the blade is provided with a noise reducing structure in the form of a serration.
In another aspect, the present application is directed to an air cleaner comprising an impeller according to any of the embodiments described above.
Above-mentioned air purifier when using, generally set up in the inside wind channel of air purifier's casing, the air current is followed the air inlet end and is got into, discharges along the air outlet under the effect of blade, at this moment, because second air-out end orientation first air-out end sets up, and when wind was discharged along second air-out end, the air current can not directly strike the lateral wall in the inside wind channel of casing, consequently, can reduce the loss of air current, and then promotes the air output.
Drawings
FIG. 1 is a schematic structural view of an impeller;
FIG. 2 is a cross-sectional view of the impeller;
fig. 3 is a top view of the impeller.
Description of reference numerals:
10. impeller, 100, first guide piece, 110, first air-out end, 120, installation axle sleeve, 122, damper, 130, strengthening rib, 200, second guide piece, 202, air outlet, 210, air inlet end, 220, second air-out end, 230, wind-guiding wind channel, 232, first wind-guiding portion, 234, second wind-guiding portion, 300, blade, 310, noise reduction structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be integral with the other element or can be removably connected to the other element.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Further, it is to be understood that, in the present embodiment, the positional relationships indicated by the terms "lower", "upper", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "the other side", "one end", "the other end", and the like are based on the positional relationships shown in the drawings; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience of description and simplicity of description, and are not to be construed as limiting the present invention.
As shown in fig. 1-2, an impeller 10 in one embodiment includes: a first guide 100, one end of the first guide 100 being a first air outlet 110; the second guide member 200, the second guide member 200 includes an air inlet end 210 and a second air outlet end 220, the air inlet end 210 is communicated with the second air outlet end 220 to form an air guiding duct 230, the second air outlet end 220 and the first guide member 100 are arranged at an interval to form an air outlet 202, and the second air outlet end 220 faces the first air outlet end 110; and the blade 300 is arranged between the first guide piece 100 and the second guide piece 200, one end of the blade 300 is fixedly arranged on the inner wall of the air guide duct 230, and the other end is connected with the other end of the first guide piece 100.
Above-mentioned impeller 10 is when using, generally sets up in the inside wind channel of air purifier's casing, and the air current gets into along air inlet end 210, discharges along air outlet 202 under blade 300's effect, and at this moment, because second air-out end 220 sets up towards first air-out end 110, when wind discharges along second air-out end 220, the air current can not directly strike the lateral wall in the inside wind channel of casing, consequently, can reduce the loss of air current, and then promotes the air output.
On the basis of the above embodiments, the air guiding duct 230 is provided with an air guiding structure, and the air guiding structure is used for guiding the air flow to the second air outlet end 220 along the air inlet end 210. Therefore, the air guide structure is beneficial to the flow of air flow under the guide effect of the air guide structure. As shown in fig. 2, based on the embodiment, the air guiding structure includes a first air guiding portion 232 protruding inward and a second air guiding portion 234 recessed outward, the first air guiding portion 232 is connected to the second air guiding portion 234, the first air guiding portion 232 is close to the air inlet end 210, and the second air guiding portion 234 is close to the second air outlet end 220. Therefore, the first air guiding portion 232 is disposed to protrude inward, and the first air guiding portion 232 is close to the air inlet end 210, so that the air flow at the air inlet end 210 is not easy to generate vortex, thereby preventing air flow from flowing back or reducing air flow flowing back, and thus increasing the air output of the impeller 10; the second air guiding portion 234 is recessed outward, and the second air guiding portion 234 is close to the second air outlet end 220, so that the air outlet area can be increased, and the air outlet volume can be increased. In this embodiment, the first air guiding portion 232 and the second guiding portion 234 are formed by being inwardly protruded and outwardly recessed in the forming process, respectively, when the air flow flows in the air guiding duct 230, the first air guiding portion 232 and the second guiding portion 234 gather and collect the air flow first, so that the air flow flows along the extending direction of the first air guiding portion 232, compared with a traditional air guiding channel, the air flow is not easy to generate a vortex, and then the flow rate of the air flow is increased through the flaring design of the second guiding portion 234.
As shown in fig. 2, on the basis of any of the above embodiments, an angle between a tangent line of the end of the second air outlet end 220 and the radial direction of the air guide duct 230 is a, wherein a is greater than or equal to 90 ° and less than or equal to 120 °. As such, when a is within this range, the airflow blown out toward the side wall of the internal duct of the housing of the air purifier is less, and the airflow can flow in the direction of the first guide 100 that is maximized, and thus, the airflow loss is less, and thus, the air output can be increased. Specifically, a may be 90 °, 100 °, 110 °, and 120 °.
As shown in FIG. 3, on the basis of any of the above embodiments, the angle c of the inlet setting angle of the blade 300 is 25 DEG C40 deg. Thus, the air output of the impeller 10 is more stable in this range. Specifically, c may be 25 °, 30 °, 35 °, and 40 °.
As shown in FIG. 3, on the basis of any of the above embodiments, the outlet setting angle d of the blade 300 is an angle d, wherein d is 30 DEG or more and 50 DEG or less. Thus, the air output of the impeller 10 is more stable in this range. Specifically, d may be 30 °, 35 °, 40 °, 45 °, and 50 °.
On the basis of any of the above embodiments, the inner diameter of the wind guiding duct 230 at the second wind outlet end 220 is R1The outer diameter of the wind guiding duct 230 at the second wind outlet end 220 is R2，0.65R2≤R1≤0.8R2. Thus, the air output of the impeller 10 is more stable in this range. On the basis of this embodiment, the outer diameter of the air guiding duct 230 at the second air outlet end 220 is R2Wherein R is more than or equal to 160mm2Less than or equal to 170 mm. In this range, the air output of the impeller 10 is more stable. Specifically, R2May be 160mm, 165mm and 170 mm.
On the basis of any of the above embodiments, the cross-sectional area of the second outlet end 220 is larger than that of the first outlet end 110. So, the interval between first air-out end 110 and air purifier's the inside wind channel of casing is great, and then, the air-out space of air current between the inner wall in the inside wind channel of first air-out end 110 and air purifier's casing is great, and then the air output is great. In this embodiment, the air outlet of the air guiding duct 230 is disposed at the second air outlet end 220, and the inner diameter of the air outlet of the air guiding duct 230 is greater than the outer diameter of the first air outlet end 110.
In any of the above embodiments, the cross-sectional area of the first guide 100 gradually increases along the direction from the air inlet end 210 to the second air outlet end 220. So, the structure of first guide 100 is coincide basically with the direction that the air current flows, and the air-out is smooth and easy, reduces the air current and disturbs, reduces vortex intensity, reduces rotational noise simultaneously, reduces frictional resistance, improves air-out efficiency. In this embodiment, the first guide 100 has a disk-shaped structure. As shown in fig. 1, in the present embodiment, the second guiding element 200 includes a second air guiding portion 234 recessed outward, the second air guiding portion 234 is close to the second air outlet end 220, the second air outlet end 220 faces the first air outlet end 110, and at this time, the flow rate of the airflow flowing from the second guiding element 200 to the first guiding element 100 is increased, so as to increase the air volume to a certain extent; the cross-sectional area of the first guide member 100 gradually increases along the direction from the air inlet end 210 to the second air outlet end 220, so that the structure of the first guide member 100 also has the function of increasing the air volume; further, the first guide member 100 and the second guide member 200 cooperate with each other, the flow guiding trends of the first guide member 100 and the second guide member 200 are matched with each other, the second guide member 200 is outwardly recessed at the second air outlet end 220, and the first guide member 100 is also outwardly recessed, so that the air volume can be increased by the cooperation of the first guide member 100 and the second guide member 200.
On the basis of any one of the above embodiments, the power device further comprises a mounting sleeve 120 for connecting with the rotary power device, the first guide member 100 is provided with a mounting hole, and the mounting sleeve 120 is disposed in the mounting hole. So, rotating power device and driving first guide 100 and rotate, first guide 100, blade 300 and the synchronous rotation of second guide 200, installation axle sleeve 120 can be moulded plastics integrated into one piece with first guide 100 secondary, guarantees the equipment precision, and connection stability is higher, need not the independent assembly, reduces process flow, reduction in production cost. On the basis of the present embodiment, the mounting sleeve further includes a damping member 122, and the damping member 122 is fixedly disposed on the inner wall of the mounting sleeve 120. Thus, the vibration caused by the high-speed operation of the blades 300 can be effectively reduced, and the impeller 10 can operate more stably. Specifically, the rotary power device may be a motor or a speed reducing mechanism or other device for providing a rotary power source.
In the embodiment, the first guide 100 includes a mounting body, the mounting body is provided with a mounting hole, and the outer wall of the mounting body is provided with a reinforcing rib 130. In this manner, the strength of the first guide 100 is enhanced by providing the reinforcing rib 130. In this embodiment, the number of the reinforcing ribs 130 is plural, and the reinforcing ribs 130 are provided at intervals in the circumferential direction of the installation body, so that the strength of the first guide 100 is further improved. In this embodiment, the mounting body is a mounting post, and the mounting post may be integrally formed with the second guiding member 200, or may be mounted on the second guiding member 200 through a corresponding connection relationship, which is not described herein again.
In addition to any of the embodiments described above, the blade 300 is provided with a noise reducing structure 310 having a serrated shape. Therefore, the discrete noise is effectively reduced, the eddy current noise is reduced, and the noise of the whole machine is reduced. In this embodiment, the noise reduction structure 310 is disposed at the trailing edge of the blade 300, that is, disposed near the second air outlet end 220, so that the discrete noise at the second air outlet end 220 can be reduced, and the vortex noise can be reduced. In this embodiment, the noise reduction structure 310 is disposed in an arc shape and corresponds to the extending direction of the blades 300 in the distribution direction of the noise reduction structure 310, so that the noise reduction structure 310 is consistent with the flowing direction of the air flow, and further, the noise reduction effect can be more effectively achieved.
In this embodiment, the number of the blades 300 is 8 to 20. In this way, the performance of the impeller 10 is most stable and the air volume is also most stable in this range.
An air cleaner in one embodiment comprises the impeller 10 of any of the embodiments described above.
Above-mentioned air purifier is when using, generally sets up in the inside wind channel of air purifier's casing, and the air current gets into along air inlet end 210, discharges along air outlet 202 under blade 300's effect, and at this moment, because second air-out end 220 sets up towards first guide 100, when wind discharges along second air-out end 220, the air current can not directly strike the lateral wall in the inside wind channel of casing, consequently, can reduce the loss of air current, and then promotes the air output.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (15)
1. An impeller, comprising:
one end of the first guide piece is a first air outlet end;
the second guide piece comprises an air inlet end and a second air outlet end, the air inlet end is communicated with the second air outlet end to form an air guide duct, the second air outlet end and the first guide piece are arranged at intervals to form an air outlet, and the second air outlet end faces the first air outlet end; and
the blades are arranged between the first guide piece and the second guide piece, one end of each blade is fixedly arranged on the inner wall of the air guide air duct, and the other end of each blade is connected with the other end of the first guide piece.
2. The impeller as claimed in claim 1, wherein the air guiding duct is provided with an air guiding structure for guiding the air flow along the air inlet end to the second air outlet end.
3. The impeller as claimed in claim 2, wherein the air guiding structure includes a first air guiding portion protruding inward and a second air guiding portion recessed outward, the first air guiding portion is connected to the second air guiding portion, the first air guiding portion is close to the air inlet end, and the second air guiding portion is close to the second air outlet end.
4. The impeller of claim 1, wherein an angle between a tangent to the end of the second air outlet end and a radial direction of the air guide duct is a, wherein a is greater than or equal to 90 ° and less than or equal to 120 °.
5. The impeller according to claim 1, characterized in that the angle c of the inlet setting angle of the blades is such that 25 ° ≦ c ≦ 40 °.
6. The impeller according to claim 1, characterized in that the outlet mounting angle of the blades has an angle d, wherein d is greater than or equal to 30 ° and less than or equal to 50 °.
7. The impeller as claimed in claim 1, wherein the inner diameter of the wind guide duct at the second wind outlet end is R1The outer diameter of the air guide duct at the second air outlet end is R2，0.65R2≤R1≤0.8R2。
8. The impeller as claimed in claim 7, wherein the air guide duct is located at the second air outlet end and has an outer diameter R2Wherein R is more than or equal to 160mm2≤170mm。
9. The impeller of claim 1, wherein the cross-sectional area of the second outlet end is greater than the cross-sectional area of the first outlet end.
10. The impeller of claim 1, wherein the cross-sectional area of the first guide member increases in a direction from the air inlet end to the second air outlet end.
11. The impeller of claim 1, further comprising a mounting bushing for coupling to a rotary power unit, wherein the first guide member defines a mounting hole, and wherein the mounting bushing is disposed in the mounting hole.
12. The impeller of claim 11, further comprising a damper member fixedly attached to an inner wall of the mounting boss.
13. The impeller of claim 11, wherein the first guide member includes a mounting body provided with the mounting hole, and an outer wall of the mounting body is provided with a reinforcing rib.
14. An impeller according to any one of claims 1 to 13, wherein the blades are provided with a serrated noise reduction structure.
15. An air cleaner comprising an impeller according to any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881667.5U CN210035698U (en) | 2019-06-12 | 2019-06-12 | Impeller and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881667.5U CN210035698U (en) | 2019-06-12 | 2019-06-12 | Impeller and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210035698U true CN210035698U (en) | 2020-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920881667.5U Active CN210035698U (en) | 2019-06-12 | 2019-06-12 | Impeller and air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210035698U (en) |
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2019
- 2019-06-12 CN CN201920881667.5U patent/CN210035698U/en active Active
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