CN201318337Y - Metal cross flow fan - Google Patents
Metal cross flow fan Download PDFInfo
- Publication number
- CN201318337Y CN201318337Y CNU2008201697060U CN200820169706U CN201318337Y CN 201318337 Y CN201318337 Y CN 201318337Y CN U2008201697060 U CNU2008201697060 U CN U2008201697060U CN 200820169706 U CN200820169706 U CN 200820169706U CN 201318337 Y CN201318337 Y CN 201318337Y
- Authority
- CN
- China
- Prior art keywords
- flow fan
- cross flow
- flange plate
- flanges
- axle
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a ventilation device and discloses a metal cross flow fan which comprises vanes(7), flanges(3), an aluminium sleeve(2), a steel shaft(1) and axial rubber(5). A plurality of vanes are arranged along the circumferences of a plurality of flanges(3) to form a cylinder; the vanes(7) are arranged in parallel with the steel shaft and are arranged at equal intervals along the circumferences of the flanges; the aluminium sleeve(2) and the steel shaft are riveted on the flanges(3)at one end; and the axial rubber(5) is assembled on the flanges(3) at the other end. The metal cross flow fan requires no gaskets and bolts as compared with the existing cross flow fans, so the cross flow fan not only reduces the production cost but also ensures the concentricity of the steel shaft and the fan, thus greatly reducing the vibration amplitude of the fan. Therefore, the metal cross flow fan has the effect of reducing noise.
Description
Technical field
The utility model relates to a kind of ventilation equipment, relates in particular to HVAC metalloid axial-flow fan
Background technique
At present, the existing metal axial-flow fan in market is formed by rubber by blade, flange plate, aluminium cover, steel axle, pad, screw and axle, a plurality of blades are arranged formation tubular axial-flow fan along the groove on the circumference of a plurality of flange plate, the parallel to an axis of blade and axial-flow fan, blade is equally spaced along the circumference of flange plate, the stator blade by the roll riveting flange plate.As shown in Figure 1, aluminium cover 2, steel axle 1 are riveted into the steel shaft assembly with pad 6 threes, the steel shaft assembly are fixed on the flange plate 3 of axial-flow fan with screw 4, and axle is assemblied on the flange plate of an other end by rubber.The defective that the metal axial-flow fan of this structure goes out is that steel shaft vibration amplitude is big, so noise is bigger.
Summary of the invention
The purpose of this utility model is to have the technological deficiency that metal axial-flow fan exists now in order to solve, and it is little to disclose a kind of steel shaft vibration amplitude, can effectively reduce the metal axial-flow fan of noise.
In order to realize above-mentioned purpose, the utility model has adopted following technological scheme:
A kind of metal axial-flow fan, comprise that blade, flange plate, aluminium cover, steel axle and axle are subjected to rubber, a plurality of blades form tubular along the circumferential arrangement of a plurality of flange plate, blade and steel axle be arranged in parallel, blade is equally spaced along the circumference of flange plate, on described aluminium cover and the steel axle riveted joint flange plate at one end, axle is assemblied on the flange plate of an other end by rubber.
As preferably, do annular knurl on the steel axle of described and aluminium cover joint and handle, increased the frictional force between aluminium cover and the steel axle, aluminium is overlapped be connected tightr with the steel axle.
Owing to adopted a kind of metal axial-flow fan of above-mentioned technological scheme, do not need pad and screw with respect to existing structure, not only reduced cost of production, guaranteed the coaxality of steel axle and fan simultaneously, and greatly reduce the Oscillation Amplitude of fan, thereby play the effect that reduces noise.This metal axial-flow fan also has advantage simple in structure, easily manufactured.
Description of drawings
Fig. 1: the local mounting structure schematic representation of metal axial-flow fan in the background technique.
Fig. 2: the utility model embodiment's structural representation.
Embodiment
Make a detailed explanation below in conjunction with 2 pairs of embodiments of the present utility model of accompanying drawing.
A kind of metal axial-flow fan as shown in Figure 2, comprise that blade 7, flange plate 3, aluminium cover 2, steel axle 1 and axle are subjected to rubber 5, a plurality of blades 7 form tubular along the circumferential arrangement of a plurality of flange plate 3, blade 7 be arranged in parallel with steel axle 1, blade 7 is equally spaced along the circumference of flange plate 3, on aluminium cover 2 and the steel axle 1 riveted joint flange plate 3 at one end, axle is assemblied on the flange plate 3 of the other end by rubber 5, has guaranteed the coaxality of steel axle 1 and fan.Overlap with aluminium and to do annular knurl 11 on the steel axle 1 of 2 joints and handle, increased the frictional force between aluminium cover 2 and the steel axle 1, make aluminium overlap 2 and be connected tightr with steel axle 1.
Do not need pad 6 and screw 4 among background technique Fig. 1 with respect to the metal axial-flow fan of existing structure this patent, not only reduced cost of production, and greatly reduced the Oscillation Amplitude of fan, thereby played the effect that reduces noise.
The foregoing description only is a this patent mode of execution preferably, and the structure that all employing the technical program are described, feature and the variation on its spiritual principle, modification all belong to the protection domain of this patent.
Claims (2)
1. metal axial-flow fan, comprise that blade (7), flange plate (3), aluminium cover (2), steel axle (1) and axle are subjected to rubber (5), a plurality of blades (7) form tubular along the circumferential arrangement of a plurality of flange plate (3), blade (7) be arranged in parallel with steel axle (1), blade (7) is equally spaced along the circumference of flange plate (3), it is characterized in that axle is assemblied on the flange plate (3) of the other end by rubber (5) on described aluminium cover (2) and steel axle (1) the riveted joint flange plate (3) at one end.
2. a kind of metal axial-flow fan according to claim 1 is characterized in that doing annular knurl (11) on the steel axle (1) of described and aluminium cover (2) joint handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201697060U CN201318337Y (en) | 2008-12-15 | 2008-12-15 | Metal cross flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201697060U CN201318337Y (en) | 2008-12-15 | 2008-12-15 | Metal cross flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201318337Y true CN201318337Y (en) | 2009-09-30 |
Family
ID=41197102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201697060U Expired - Lifetime CN201318337Y (en) | 2008-12-15 | 2008-12-15 | Metal cross flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201318337Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111566355A (en) * | 2018-01-16 | 2020-08-21 | 夏普株式会社 | Cross flow fan and fluid transfer device |
-
2008
- 2008-12-15 CN CNU2008201697060U patent/CN201318337Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111566355A (en) * | 2018-01-16 | 2020-08-21 | 夏普株式会社 | Cross flow fan and fluid transfer device |
| CN111566355B (en) * | 2018-01-16 | 2022-03-22 | 夏普株式会社 | Cross flow fan and fluid transfer device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |