CN208073864U - A kind of centrifugal wind wheel and its centrifugal blower of application - Google Patents
A kind of centrifugal wind wheel and its centrifugal blower of application Download PDFInfo
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- CN208073864U CN208073864U CN201820236391.0U CN201820236391U CN208073864U CN 208073864 U CN208073864 U CN 208073864U CN 201820236391 U CN201820236391 U CN 201820236391U CN 208073864 U CN208073864 U CN 208073864U
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- wind wheel
- centrifugal wind
- centrifugal
- air inlet
- current collector
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Abstract
The utility model discloses a kind of centrifugal wind wheel and its centrifugal blowers of application,The centrifugal blower includes centrifugal wind wheel,Motor and spiral case,The spiral case is equipped with the second cavity that can house centrifugal wind wheel and motor,The spiral case includes air inlet and air outlet,The air inlet and air outlet are connected to the second cavity respectively,It is described that current collector is installed in air inlet,Current collector is toward bending in the second cavity of spiral case,The centrifugal wind wheel be include first annular frame,Bottom plate and several blades,One end of several fan blades is circumferentially-spaced to be distributed on the outer ledge of bottom plate,The outer edge of the other end is connected with the madial wall of first annular frame,The upper surface of the first annular frame and the gap that the end face of current collector is close and formation is certain,Second annular peripheral frame of the centrifugal wind wheel is sleeved on outside current collector,Air quantity can be reduced to reveal from safe distance,Improve exhaust air rate,Ensure fan operation efficiency.
Description
Technical field：
The utility model is related to a kind of centrifugal wind wheel and its centrifugal blowers of application.
Background technology：
The structure of existing centrifugal blower is as shown in Figure 1, including centrifugal wind wheel 1a, motor and spiral case 2a, the spiral case 2a
Equipped with the cavity that can house centrifugal wind wheel 1a, the spiral case 2a includes air inlet 21a and air outlet, the air inlet 21a and is gone out
Air port is connected to cavity respectively, and it includes first annular side that current collector 3a, the centrifugal wind wheel 1a are installed at the air inlet 21a
Frame 11a, bottom plate and several fan blades, one end of several fan blades is circumferentially-spaced to be distributed on the outer ledge of bottom plate, outside the other end
Edge is connected with first annular frame 11a, since first annular frame 11a is tabular, the first annular side of centrifugal wind wheel 1a
It needs to retain safe distance 4a between current collector 3a at frame 11a and air inlet 21a, when leading to air inlet, installation of the air quantity from reservation
Distance 4a leakages, cause air output small, reduce fan performance, and noise increases.
Invention content：
The purpose of this utility model is to provide a kind of centrifugal wind wheel and its centrifugal blower of application, solves prior art apoplexy
The technical issues of amount is revealed from the mounting distance of reservation, causes air output small, reduces fan performance, and noise increases.
The purpose of this utility model is achieved by following technical proposals：
A kind of centrifugal wind wheel, including first annular frame, bottom plate and several fan blades, circumferentially-spaced point of one end of several fan blades
It is distributed on the outer ledge of bottom plate, the outer edge of the other end is connected with first annular frame, the upper table of the first annular frame
Axially projecting second annular peripheral frame on face.
Second annular peripheral frame described above is located at the first annular frame outer edge.
First annular frame described above and the second annular peripheral frame concentric.
Bottom plate described above includes bottom fan blade connecting plate, a tilting cone and top annulus connecting plate, described to incline
The bottom of beveled cone is connect with bottom fan blade connecting plate, and the top of tilting cone is connect with annulus connecting plate, is in tilting cone
First cavity, one end of several fan blades is circumferentially-spaced to be distributed on the fan blade connecting plate of bottom, is set on the annulus connecting plate
There are several mounting holes.
A kind of centrifugal blower, including centrifugal wind wheel, motor and spiral case, the spiral case, which is equipped with, can house centrifugal wind wheel and motor
The second cavity, the spiral case includes air inlet and air outlet, and the air inlet and air outlet are connected to the second cavity respectively, institute
It states and current collector is installed in air inlet, for current collector toward bending in the second cavity of spiral case, the centrifugal wind wheel is described above
Centrifugal wind wheel, the upper surface of the first annular frame and the gap that the end face of current collector is close and formation is certain, the centrifugation
Second annular peripheral frame of wind wheel is sleeved on outside current collector.
Air inlet described above is equipped with air inlet grid.
The utility model compared with prior art, has the following effects that：
1) the utility model includes centrifugal wind wheel, motor and spiral case, and the spiral case, which is equipped with, can house centrifugal wind wheel and motor
The second cavity, the spiral case includes air inlet and air outlet, and the air inlet and air outlet are connected to the second cavity respectively, institute
Air inlet is stated toward being bent with current collector in the second cavity of spiral case, centrifugal wind wheel includes first annular frame, bottom plate and several
Fan blade, one end of several fan blades is circumferentially-spaced to be distributed on the outer ledge of bottom plate, the outer edge of the other end and first annular side
Frame is connected, axially projecting second annular peripheral frame on the upper surface of the first annular frame, the second annular of the centrifugal wind wheel
Frame is sleeved on current collector, it is possible to reduce air quantity is revealed from safe distance, improves exhaust air rate, ensures fan operation efficiency；
2) the first annular frame and the second annular peripheral frame concentric prevent wind wheel at runtime because eccentricity issues occur
Collision, causes wind turbine to break down.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the stereogram of embodiment one；
Fig. 3 is the front view of embodiment one；
Fig. 4 is the sectional view of the A-A of Fig. 3；
Fig. 5 is the partial enlarged view of B in Fig. 4；
Fig. 6 is the stereogram of embodiment two；
Fig. 7 is the broken section structural schematic diagram of embodiment two；
Fig. 8 is the partial enlarged view of C in Fig. 7；
Fig. 9 is the stereogram exploded view of embodiment two.
Specific implementation mode：
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the utility model.
Embodiment one：
As shown in Figures 2 to 5, the present embodiment is a kind of centrifugal wind wheel, including first annular frame 1, bottom plate 2 and several
Fan blade 3, one end of several fan blades 3 is circumferentially-spaced to be distributed on the outer ledge of bottom plate 2, the outer edge of the other end with it is first annular
Frame 1 is connected axially projecting second annular peripheral frame 4 on the upper surface of the first annular frame 1.
Second annular peripheral frame 4 is located at 1 outer edge of first annular frame.
4 concentric of first annular frame 1 and the second annular peripheral frame.
The bottom plate 2 includes 21, tilting cones 22 of bottom fan blade connecting plate and top annulus connecting plate 23, institute
The bottom for stating tilting cone 22 is connect with bottom fan blade connecting plate 21, and the top of tilting cone 22 is connect with annulus connecting plate 23,
It is the first cavity 221 in tilting cone 22, one end of several fan blades 3 is circumferentially-spaced to be distributed in bottom fan blade connecting plate 21
On, the annulus connecting plate 23 is equipped with several mounting holes 211.
Embodiment two：
As shown in Figures 6 to 9, the present embodiment is a kind of centrifugal blower, including centrifugal wind wheel 10, motor 5 and spiral case 6, institute
It states spiral case 6 and is equipped with the second cavity 61 that can house centrifugal wind wheel 10 and motor, the spiral case 6 includes air inlet 62 and air outlet
63, the air inlet 62 and air outlet 63 are connected to the second cavity 61 respectively, described that current collector 621 is installed at air inlet 62,
For current collector 621 toward the 61 inner bending of the second cavity of spiral case 6, the centrifugal wind wheel 10 is the centrifugation wind described in above-described embodiment one
Wheel 10, the upper surface of the first annular frame 1 is close with the end face of current collector 621 and forms certain gap, the centrifugation
Second annular peripheral frame 4 of wind wheel 10 is sleeved on 621 outside of current collector.
Air inlet grid 622 is equipped at the air inlet 62.
Above example is the better embodiment of the present invention, and embodiments of the present invention are not limited thereto, other are any
Changes, modifications, substitutions, combinations, simplifications made by without departing from the spirit and principles of the present invention are equivalent displacement side
Formula is included within the scope of the present invention.
Claims (6)
1. a kind of centrifugal wind wheel, including first annular frame (1), bottom plate (2) and several fan blades (3), one end of several fan blades (3)
Circumferentially-spaced to be distributed on the outer ledge of bottom plate (2), the outer edge of the other end is connected with first annular frame (1), feature
It is：Axially projecting second annular peripheral frame (4) on the upper surface of the first annular frame (1).
2. a kind of centrifugal wind wheel according to claim 1, it is characterised in that：Second annular peripheral frame (4) is located at described first
Annular peripheral frame (1) outer edge.
3. a kind of centrifugal wind wheel according to claim 1 or 2, it is characterised in that：First annular frame (1) and the second annular
Frame (4) concentric.
4. a kind of centrifugal wind wheel according to claim 3, it is characterised in that：The bottom plate (2) includes that bottom fan blade connects
Fishplate bar (21), a tilting cone (22) and top annulus connecting plate (23), bottom and the bottom wind of the tilting cone (22)
Leaf connecting plate (21) connects, and the top of tilting cone (22) is connect with annulus connecting plate (23), is first in tilting cone (22)
Cavity (221), one end of several fan blades (3) is circumferentially-spaced to be distributed on bottom fan blade connecting plate (21), and the annulus connects
Fishplate bar (23) is equipped with several mounting holes (211).
5. a kind of centrifugal blower, including centrifugal wind wheel (10), motor (5) and spiral case (6), the spiral case (6) be equipped with can house from
The second cavity (61) of heart wind wheel (10) and motor, the spiral case (6) include air inlet (62) and air outlet (63), the air inlet
Mouth (62) and air outlet (63) are connected to the second cavity (61) respectively, and current collector (621), current collector are installed at air inlet (62)
(621) it is bent toward the second cavity (61) of spiral case (6) is inner, it is characterised in that：The centrifugal wind wheel (10) is the claims 1
Or the centrifugal wind wheel described in 2 or 3 or 4, the upper surface of the first annular frame (1) and the end face of current collector (621) it is close and
Certain gap is formed, the second annular peripheral frame (4) of the centrifugal wind wheel (10) is sleeved on outside current collector (621).
6. a kind of centrifugal blower according to claim 5, it is characterised in that：Air inlet grid is equipped at air inlet (62)
(622)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820236391.0U CN208073864U (en) | 2018-02-09 | 2018-02-09 | A kind of centrifugal wind wheel and its centrifugal blower of application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820236391.0U CN208073864U (en) | 2018-02-09 | 2018-02-09 | A kind of centrifugal wind wheel and its centrifugal blower of application |
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| CN208073864U true CN208073864U (en) | 2018-11-09 |
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| CN201820236391.0U Active CN208073864U (en) | 2018-02-09 | 2018-02-09 | A kind of centrifugal wind wheel and its centrifugal blower of application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630462A (en) * | 2018-11-24 | 2019-04-16 | 廖兆泉 | A kind of wind wheel structure |
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2018
- 2018-02-09 CN CN201820236391.0U patent/CN208073864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630462A (en) * | 2018-11-24 | 2019-04-16 | 廖兆泉 | A kind of wind wheel structure |
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