CN201779061U

CN201779061U - Wing wheel structure of air feeder

Info

Publication number: CN201779061U
Application number: CN2010205197189U
Authority: CN
Inventors: 陈启洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-07
Filing date: 2010-09-07
Publication date: 2011-03-30
Anticipated expiration: 2020-09-07

Abstract

The utility model provides a wing wheel structure of an air feeder, which comprises a baseplate, a plurality of blades, and a lateral plate, wherein the blades are arranged on the outer edge of the central area of the baseplate in a circling manner and one side of each blade is fixed on the baseplate; and the other side of each blade is connected with the lateral plate parallel with the baseplate, and an air inlet is formed in the center of the lateral plate. The radius of the lateral plate is greater than that of the baseplate, the end part of each blade protrudes out of the edge of the baseplate, bringing convenience for airflow to discharge along the outer edge of the baseplate from the end parts of the blades, further ensuring that the wing wheel structure can be applied to air housings with smaller inner diameters.

Description

The wing wheel structure of gas fan

Technical field

The utility model relates to a kind of structure technology about gas fan, particularly a kind ofly simplifies gas fan volume being set and does not reduce the wing wheel structure gas fan of air output and blast.

Background technique

Gas fan is indispensable important ventilation equipment in the industrial environment in the daily life, and adopt the gas fan of variety classes and characteristic according to the user demand meeting that difference makes, for example apply to compartment ventilation, basement ventilation, the warehouse is pumped the front and back ends of wind, airduct or is loaded on the stage casing pressurization of airduct ... wait various occasions.

As shown in Figures 1 and 2, be existing ventilating blower structure signal and wing wheel stereo appearance figure, this gas fan mainly comprises a motor 90, a wing wheel 91 and a fan housing 92, it utilizes motor 90 to drive the wing wheel 91 that is arranged in its rotating shaft, and these fan housing 92 axial shroud are overlying on the periphery of motor 90 and wing wheel 91, make gas fan produce powerful air-supply function.

Existing wing wheel 91 mainly is by a substrate 93, a plurality of circular rows are fixed in blade 94 on the substrate 93 in substrate 93 middle section outer rims and a side, one side plate 95 that links and be parallel to substrate 93 with aforementioned each blade 94 opposite side combines, this substrate 93 has identical radius with side plate 95, and the both sides of blade 94 ends are covered by substrate 93 and side plate 95 outer rims all, can produce centrifugal flow during also because of 91 runnings of order wing wheel, and the air-flow that order axially imports converts to and radially discharges and produce high pressure, utilize the guiding of fan housing 92 that air-flow is sent along fan housing 92 again, also therefore in must keep between fan housing 92 and the wing wheel 91 one enough well-to-do and suitable between distance, steering shaft was not interrupted to the air-flow of sending after fan housing 92 was radially discharged, otherwise when spacing is not enough, can produce sizable resistance of air and make air-flow smooth and easyly flow, and the usefulness when significantly reducing the gas fan running.

Yet, be not all environment, all having enough well-to-do space supplies the gas fan of any specification size to set up, therefore when environment space is limited, often need to change the decorating position of gas fan, or change and adopt the gas fan that specification is less, the wing wheel size is less and set up, and then often the gas fan of power demand even the situation that gas fan might take place to set up can't the optimum position in environment be installed in generation.

In view of this, the designer is at how can make the fan housing of gas fan implement with more small-bore under the situation that does not reduce the wing wheel size; Or the problem that how to increase the wing wheel size under identical fan housing bore carries out research and discussion, and then designs the utility model.

Summary of the invention

Main purpose of the present utility model, be to provide a kind of fan housing that makes gas fan can need not reduce the wing wheel structure of wing wheel size with more small-bore enforcement, this wing wheel structure also has simultaneously in identical fan housing bore can be provided with the wing wheel of large-size down to promote the wing wheel structure of gas fan output power.

For reaching above-mentioned purpose, the wing wheel structure of the utility model gas fan comprises that a substrate, a plurality of circular row are fixed in blade on the substrate, with aforementioned each blade opposite side binding and be parallel to the side plate of substrate in substrate center zone outer rim and a side, these side plate central authorities are provided with a wind inlet, the radius of described side plate is greater than the radius of substrate, the end of each blade protrude out to substrate edges outside.

Thus, utilize the end of each blade to protrude out to the outer characteristic of substrate edges, make air-flow directly to discharge towards substrate outer rim direction from the end of each blade, when so the utility model wing wheel structure is located in the gas fan, because the initial air supply direction of wing wheel acquires change, the spacing that is kept between the fan housing of this gas fan and the wing wheel can obtain reduction, the air-flow that wing wheel is sent is not interrupted, and reach the enhancing air quantity, the purpose of the load when blast and reduction noise and motor running, and then make the utility model wing wheel structure under the situation that does not reduce the wing wheel size, to make the fan housing of gas fan implement with more small-bore; Or the wing wheel of large-size is set under identical fan housing bore.

The end of described each blade is positioned at the edge of side plate, and the air-supply air-flow that makes wing wheel produce more can be concentrated and discharge towards substrate outer rim direction from the end of blade.

Described each blade is the BI blade, brings into play to the optimum state to make inlet air and air-supply effect as much as possible.

The radius of described substrate can make the air-supply air-flow concentrate the effect of discharging towards substrate outer rim direction from the end of blade more remarkable less than the bore of wind inlet.

Compared to prior art, the utility model utilizes blade tip to protrude out to the outer characteristic of substrate edges, make air-flow directly to discharge towards substrate outer rim direction from the end of each blade, the necessary spacing of required maintenance obtains significantly reduction between fan housing and the wing wheel to make, not only can make wing wheel more smooth and easy during running in the narrower fan housing of bore, also relative lifting the air quantity that it produced, blast, and the load in the time of can further reducing noise and motor running, the usefulness when making the gas fan running more promotes.

Description of drawings

Fig. 1 is existing ventilating blower structure schematic representation;

Fig. 2 is existing wing wheel structural representation;

Fig. 3 is the stereo appearance figure of the utility model most preferred embodiment;

Fig. 4 is the three-dimensional exploded view of the utility model most preferred embodiment;

Fig. 5 is the front elevation of the utility model most preferred embodiment;

Fig. 6 is the sectional view of the utility model most preferred embodiment;

Fig. 7 is the air current flow direction schematic representation of the utility model most preferred embodiment.

Description of reference numerals:

Prior art: 90-motor; The 91-wing wheel; The 92-fan housing; The 93-substrate; The 94-blade; The 95-side plate;

The utility model: 10-wing wheel; The 11-substrate; The 12-blade; The 13-side plate; The 14-wind inlet; The 20-fan housing.

Embodiment

Following foundation technological means of the present utility model, enumerate and be suitable for explanation of mode of execution of the present utility model and conjunction with figs. as back:

Fig. 3 and shown in Figure 4, stereo appearance figure and three-dimensional exploded view for the utility model most preferred embodiment, the structure that discloses wing wheel 10 among the figure comprises that mainly a substrate 11, a plurality of circular row are fixed in blade 12 on the substrate 11, with aforementioned each blade 12 opposite sides binding and be parallel to the side plate 13 of substrate 11 in substrate 11 middle section outer rims and a side, these side plate 13 central authorities are provided with a wind inlet 14, wherein the radius of this side plate 13 is greater than the radius of substrate 11, and the end of each blade 12 protrudes out to outside substrate 11 edges.

See also Fig. 3 and shown in Figure 5, wherein Fig. 5 is the front elevation of the utility model most preferred embodiment, the end of described each blade 12 is positioned at the edge of side plate 13, each blade 12 is the BI blade, the radius of this substrate 11 can make the air-supply air-flow obtain best guide effect from the end of blade when substrate outer rim direction is sent more less than the bore of wind inlet 14 thus.

See also Figure 6 and Figure 7, sectional view and air current flow direction schematic representation for the utility model most preferred embodiment, utilize the end system of each blade 12 to protrude out to outside the substrate edges 11, the characteristic that air-flow can directly be discharged towards substrate 11 outer rim directions from the end of each blade 12, when wing wheel 10 structures are located in the gas fan, because wing wheel 10 initial air supply directions acquire change, the spacing that is kept between the fan housing 20 of this gas fan and the wing wheel 10 can obtain reduction, the drop signal of its spacing can be compared with existing gas fan shown in Figure 1 with reference to figure 7, because the enforcement of the utility model wing wheel 10 can make air-flow directly discharge towards substrate 11 outer rim directions from the end of each blade 12, so the air-flow that wing wheel 10 is sent is more not interrupted, and then make the utility model under the situation of the size that does not reduce wing wheel 10, to make the fan housing 20 of gas fan implement with more small-bore; Or the wing wheel 10 of large-size, the purpose of the load when strengthening air quantity, blast and reducing noise and motor running to reach be set under identical fan housing 20 bores.

In sum, comprehensive axial fan of the utility model and centrifugal blower advantage, and provide a kind of improvement of wing wheel 10, it mainly is radius drop means of utilizing substrate 11 and side plate 13, air-flow can be pushed towards less substrate 11 outer rims of radius, and then when blower fan is set up, can significantly reduce apart from restriction between wing wheel 10 and the fan housing 20, fan housing 20 is too huge maybe must to be changed wing wheel 10 sizes and influences the problem of output power and overcome, with the more diversification of use that further makes gas fan.

Yet more than explanation and accompanying drawing are preferable enforcement example of the present utility model, be not to limit to the utility model with this, so the equivalence of using above-mentioned specification and accompanying drawing content to do such as changes, and must all belong in the utility model claim, solemnly states.

Claims

1. the wing wheel structure of a gas fan, comprise that a substrate, a plurality of circular row are fixed in blade on the substrate, with aforementioned each blade opposite side binding and be parallel to the side plate of substrate in substrate center zone outer rim and a side, these side plate central authorities are provided with a wind inlet, it is characterized in that:

The radius of described side plate is greater than the radius of substrate, and the end of each blade protrudes out to outside the substrate edges.

2. the wing wheel structure of gas fan according to claim 1 is characterized in that the end of each blade is positioned at the edge of side plate.

3. the wing wheel structure of gas fan according to claim 1 is characterized in that each blade is the BI blade.

4. the wing wheel structure of gas fan according to claim 1 is characterized in that the radius of substrate is less than the bore of wind inlet.