CN202280656U - Impeller of axial-flow type hot air circulation fan - Google Patents
Impeller of axial-flow type hot air circulation fan Download PDFInfo
- Publication number
- CN202280656U CN202280656U CN201120312887XU CN201120312887U CN202280656U CN 202280656 U CN202280656 U CN 202280656U CN 201120312887X U CN201120312887X U CN 201120312887XU CN 201120312887 U CN201120312887 U CN 201120312887U CN 202280656 U CN202280656 U CN 202280656U
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- blade
- impeller
- wheel hub
- hot air
- air circulation
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Abstract
The utility model relates to an impeller of an axial-flow type hot air circulation fan. The impeller comprises an annular hub with a cone axial hole in the centre, wherein a plurality of blades are uniformly arranged on the outer wall of the annular hub along the circumferential direction; root parts of the blades are fixed with the outer wall of the annular hub; a reinforcing blade is respectively arranged at the root part of each blade at the lee side; the root part of the reinforcing blade is fixed with the outer wall of the annular hub, wherein the annular hub structurally comprises an annular hub body and an axial base arranged in the centre of the hub body; the axial base and the hub body are connected through a plurality of connecting rods; a first closed cover and a second closed cover are respectively arranged on two lateral end faces of the hub body; holes are arranged in the centres of the first closed cover and the second closed cover; and two ends of the axial base are respectively arranged in the holes. The impeller disclosed by the utility model is applied to the axial-flow type hot air circulation fan.
Description
Technical field
The utility model relates to the technical field of blower fan, is specifically related to a kind of impeller of axial flow hot air circulation blower.
Background technique
Impeller is one of critical piece of axial flow hot air circulation blower, can realize the agitating function of hot blast, can improve the uniformity of temperature in the industrial heat treatment furnace and the quality of heat treated part effectively.The structure of the impeller of present employed axial flow hot air circulation blower comprises: the center is provided with the annular wheel hub in axis of cone hole; The outer wall upper edge hoop of annular wheel hub evenly is provided with some blades; The root of blade and the outer wall of annular wheel hub fix; Wherein the structure of the annular wheel hub hub body that comprises annular be arranged on the axle bed at hub body center, be connected through some connecting rods between axle bed and the hub body.Use the axial flow hot air circulation blower of above-mentioned impeller only to be applicable to low blast, little air quantity, hang down the small-sized heat treatment furnace of furnace temperature; When being applied to the large-scale heat treatment furnace of high blast, big air quantity, high furnace temperature; Owing to the surface of contact between the outer wall of root that only relies on blade between blade and the annular wheel hub and annular wheel hub fixes; Thereby make blade under the impact of high blast, big air quantity, high furnace temperature, distortion appears in blade easily, can occur the phenomenon of leaf destruction when serious; In addition; Because annular wheel hub is a Pierced structure, dust in the furnace gas and silt can accumulate in the annular wheel hub, the balance when destroying the impeller rotation; Cause the vibrations of blower fan, thereby that the total head value deviation when making the regulation air quantity becomes is big, fan efficiency reduces, fan noise becomes big.
The model utility content
The utility model technical problem to be solved is: provide a kind of intensity higher and be applicable to the impeller of the axial flow hot air circulation blower of dust atmosphere in the stove.
For addressing the above problem; The technological scheme that the utility model adopts is: the impeller of axial flow hot air circulation blower comprises: the center is provided with the annular wheel hub in axis of cone hole, and the outer wall upper edge hoop of annular wheel hub evenly is provided with some blades; The root of blade and the outer wall of annular wheel hub fix; The root of the lee face of said every blade is respectively arranged with reinforced blade, and the root of reinforced blade and the outer wall of annular wheel hub fix, and wherein the structure of annular wheel hub comprises the hub body and the axle bed that is arranged on the hub body center of annular; Be connected through some connecting rods between axle bed and the hub body; Be respectively arranged with first closing cap and second closing cap in the both sides end face of hub body, the center of first closing cap and second closing cap is provided with porose, and the two ends of axle bed are separately positioned in the hole.
Three lateral margins of said reinforced blade and blade welding are fixing, and reinforced blade is provided with two air holes.
Be evenly equipped with three wheel hub air holes on the outer wall of described annular wheel hub.
The beneficial effect of the utility model is: the impeller of above-mentioned axial flow hot air circulation blower, it is simple in structure, easy to use, with low cost.It is provided with reinforced blade through the root at the blade lee face; On the basis that does not influence the impeller characteristic; Strengthened the degree of being connected firmly between blade and the annular wheel hub; Thereby make blade under the impact of high blast, big air quantity, high furnace temperature, blade is not easy distortion to occur, has avoided blade the phenomenon of fracture to occur; In addition; Its annular wheel hub adopts full-closed structure; Avoided dust and sediment accumulation in the furnace gas in the annular wheel hub; Thereby make impeller can keep balance when rotated, can not cause the vibrations of blower fan, total head value deviation when the regulation air quantity diminishes, fan efficiency increases, fan noise diminishes thereby make.
Description of drawings
Fig. 1 is the structural representation of the impeller of the utility model axial flow hot air circulation blower;
Fig. 2 be among Fig. 1 the A-A direction partly cut open structural representation;
Among the figure: 1, axis of cone hole, 2, annular wheel hub, 21, hub body, 22, axle bed, 23, connecting rod, 24, first closing cap, 25, second closing cap, 26, the wheel hub air hole, 3, blade, 4, reinforced blade, 5, air hole.
Embodiment
Through specific embodiment the impeller of the utility model axial flow hot air circulation blower is done further to describe in detail below.
Like Fig. 1, shown in Figure 2; The impeller of axial flow hot air circulation blower comprises: the center is provided with the annular wheel hub 2 in axis of cone hole 1, and the outer wall upper edge hoop of annular wheel hub 2 evenly is provided with eight blades 3 (wherein the sheet number of blade can change according to actual conditions); The outer wall of the root of blade 3 and annular wheel hub 2 fixes; The root of the lee face of every blade 3 is respectively arranged with reinforced blade 4, and the outer wall of the root of reinforced blade 4 and annular wheel hub 2 fixes, and three lateral margins of reinforced blade 4 and blade 3 welding are fixing; Reinforced blade 4 is provided with two air holes 5; Wherein the effect of air hole 5 is: owing to have certain interval unavoidably between reinforced blade 4 and the blade 3, when the air expanded by heating in the gap, can give vent to anger through air hole 5 gets loose because of the gas expansion between reinforced blade 4 and the blade 3 preventing.Wherein the structure of annular wheel hub 2 comprises the hub body 21 and the axle bed 22 that is arranged on hub body 21 centers of annular; Be connected through some connecting rods 23 between axle bed 22 and the hub body 21; Be respectively arranged with first closing cap 24 and second closing cap 25 in the both sides end face of hub body 21; The center of first closing cap 24 and second closing cap 25 is provided with porose; The two ends of axle bed 22 are separately positioned in the hole, form the cavity of a sealing between first closing cap 24, second closing cap 25, axle bed 22 and the hub body 21, are evenly equipped with three wheel hub air holes 26 on the outer wall of hub body 21; When the air expanded by heating in the cavity, can give vent to anger to prevent hub body 21 distortion through wheel hub air hole 26.
The beneficial effect of the utility model is: the impeller of above-mentioned axial flow hot air circulation blower, it is simple in structure, easy to use, with low cost.It is provided with reinforced blade 4 through the root at blade 3 lee faces; Under the basis that does not influence blade 3 proper functioning; Strengthened the degree of being connected firmly between blade 3 and the annular wheel hub 2; Thereby make blade 3 under the impact of high blast, big air quantity, high furnace temperature, blade 3 is not easy distortion to occur, has avoided blade 3 phenomenon of fracture to occur; In addition; Its annular wheel hub 2 adopts full-closed structures, avoided dust and sediment accumulation in the furnace gas in annular wheel hub 2, thereby made impeller can keep balance when rotated; Can not cause the vibrations of blower fan, total head value deviation diminishes, fan efficiency increases, fan noise diminishes thereby make.
The above embodiments are the principle and the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not is used to limit the utility model; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.
Claims (3)
1. the impeller of axial flow hot air circulation blower; Comprise: the center is provided with the annular wheel hub in axis of cone hole; The outer wall upper edge hoop of annular wheel hub evenly is provided with some blades, and the root of blade and the outer wall of annular wheel hub fix, and it is characterized in that: the root of the lee face of said every blade is respectively arranged with reinforced blade; The root of reinforced blade and the outer wall of annular wheel hub fix; Wherein the structure of the annular wheel hub hub body that comprises annular be arranged on the axle bed at hub body center, be connected through some connecting rods between axle bed and the hub body, be respectively arranged with first closing cap and second closing cap in the both sides end face of hub body; The center of first closing cap and second closing cap is provided with porose, and the two ends of axle bed are separately positioned in the hole.
2. the impeller of axial flow hot air circulation blower according to claim 1 is characterized in that: three lateral margins of said reinforced blade and blade welding are fixing, and reinforced blade is provided with two air holes.
3. the impeller of axial flow hot air circulation blower according to claim 1 and 2 is characterized in that: be evenly equipped with three wheel hub air holes on the outer wall of described annular wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120312887XU CN202280656U (en) | 2011-08-25 | 2011-08-25 | Impeller of axial-flow type hot air circulation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120312887XU CN202280656U (en) | 2011-08-25 | 2011-08-25 | Impeller of axial-flow type hot air circulation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280656U true CN202280656U (en) | 2012-06-20 |
Family
ID=46226826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120312887XU Expired - Fee Related CN202280656U (en) | 2011-08-25 | 2011-08-25 | Impeller of axial-flow type hot air circulation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312858A (en) * | 2011-08-25 | 2012-01-11 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN107489647A (en) * | 2017-09-19 | 2017-12-19 | 张家港保税区创典炉窑通风设备有限公司 | A kind of axial flow fan vane wheel |
| CN112797024A (en) * | 2021-01-27 | 2021-05-14 | 江苏优格曼航空科技有限公司 | Axial flow fan impeller assembled in modularized split mode and assembling method thereof |
-
2011
- 2011-08-25 CN CN201120312887XU patent/CN202280656U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312858A (en) * | 2011-08-25 | 2012-01-11 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN102312858B (en) * | 2011-08-25 | 2013-03-20 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN107489647A (en) * | 2017-09-19 | 2017-12-19 | 张家港保税区创典炉窑通风设备有限公司 | A kind of axial flow fan vane wheel |
| CN112797024A (en) * | 2021-01-27 | 2021-05-14 | 江苏优格曼航空科技有限公司 | Axial flow fan impeller assembled in modularized split mode and assembling method thereof |
| CN112797024B (en) * | 2021-01-27 | 2022-04-22 | 江苏优格曼航空科技有限公司 | Axial flow fan impeller assembled in modularized split mode and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20140825 |
|
| EXPY | Termination of patent right or utility model |