CN208565069U - A kind of low noise mixed flow fan case - Google Patents
A kind of low noise mixed flow fan case Download PDFInfo
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- CN208565069U CN208565069U CN201820853110.6U CN201820853110U CN208565069U CN 208565069 U CN208565069 U CN 208565069U CN 201820853110 U CN201820853110 U CN 201820853110U CN 208565069 U CN208565069 U CN 208565069U
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- Prior art keywords
- fixedly connected
- main body
- bellows main
- low noise
- mixed flow
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Abstract
The utility model discloses a kind of low noise mixed flow fan casees, including bellows main body, the left-hand face of the bellows main body is fixedly connected with diversion pipe, the surface of the diversion pipe offers air-guiding hole, the left-hand face of the diversion pipe is threaded with discharge pipe by connecting flange, radiator is fixedly connected at the top of the bellows main body, the bottom of the bellows main body is fixedly connected with cushion, the bottom of the cushion is fixedly connected with link block, the inner wall of the bellows main body, which offers, makes air duct, the surface for making air duct inner wall is fixedly connected with fan supporter, the surface of the fan supporter is fixedly connected with flow-mixing blower fan, the output end of the flow-mixing blower fan is fixedly connected with impeller.The low noise mixed flow fan case, so that entering the wind of the low noise mixed flow fan case through blast pipe, without the large particle for having an impact flow-mixing blower fan work, is conducive to extend the service life of the low noise mixed flow fan case by the filter plate of setting.
Description
Technical field
The utility model relates to Fan Equipment technical field, specially a kind of low noise mixed flow fan case.
Background technique
Blower of the mixed flow fan between axial flow blower and centrifugal blower, the impeller of flow-mixing blower fan both done by air from
Heart movement axially moves again, and the movement of air is mixed with axis stream and is centrifuged two kinds of forms of motion in shell, mixed flow (oblique flow) blower,
Coefficient of wind pres is higher than axial flow blower, and discharge coefficient is bigger than centrifugal blower, is used in the occasion of wind pressure and flow all " neither big nor small ", it
The blank between axial flow blower and centrifugal blower has been filled up, industry, civil buildings dust removal by ventilation, due to existing mixed flow are usually used in
Formula air box, so that the noise that flow type fan generates directly is broadcast to air, influences user's use without noise reduction effect.
Utility model content
The purpose of this utility model is to provide a kind of low noise mixed flow fan casees, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of low noise mixed flow fan case, including
Bellows main body, the left-hand face of the bellows main body are fixedly connected with diversion pipe, and the surface of the diversion pipe offers air-guiding hole,
The left-hand face of the diversion pipe is threaded with discharge pipe by connecting flange, is fixedly connected at the top of the bellows main body
Radiator, the bottom of the bellows main body are fixedly connected with cushion, and the bottom of the cushion is fixedly connected with link block, institute
The inner wall for stating bellows main body, which offers, makes air duct, and the surface for making air duct inner wall is fixedly connected with fan supporter, the blower
The surface of bracket is fixedly connected with flow-mixing blower fan, and the output end of the flow-mixing blower fan is fixedly connected with impeller, the bellows main body
Inner cavity be fixedly connected with puigging, the inner surface of the puigging is fixedly connected with noise reduction layer, the inside of the noise reduction layer
Surface is fixedly connected with sound absorbing layer, and the surface of the sound absorbing layer offers sound-absorption hole, and the right lateral surface of the bellows main body is fixed
It is connected with shield air hose, the surface of the shield air hose is threaded with blast pipe by mounting flange, and the surface of the blast pipe is opened
Equipped with air inlet hole, the inner wall surface of the air inlet hole is fixedly connected with filter plate, and the surface of the filter plate offers filter hole,
The inner wall surface of the filter hole is fixedly connected with filtering sponge, described, is fixedly connected with fixation at the top of the bellows main body
Ring.
Preferably, the through-hole that the surface of the discharge pipe is connected with air-guiding hole, and the surface of discharge pipe and blast pipe passes through
Cross anti-oxidation processing.
Preferably, the material of the cushion is rubber, and the quantity of the link block is two, and two link blocks are with bellows
The vertical center line of main body is the bottom that symmetry axis is symmetrically distributed in bellows main body.
Preferably, the sound-absorption hole is connected with air duct is made, and the material of the sound absorbing layer is annular knurl type mineral wool board, described to disappear
The filler of sound-absorbing layer is polyester acoustical cotton, and the filler of the puigging is deadening felt.
Preferably, the shape of the diversion pipe and shield air hose is horn-like, and the air-guiding hole is connected with air duct is made, institute
The surface for stating shield air hose offers and the through-hole of making air duct and air inlet hole is connected.
Preferably, the surface of the fan supporter offers groove compatible with flow-mixing blower fan, and the length of fan supporter
Spend it is equal with the width for making air duct, the cross sectional shape for making air duct be circle.
Compared with prior art, the utility model has the beneficial effects that
1. the low noise mixed flow fan case makes the low noise by the diversion pipe of setting, and in the effect with shield air hose
Mixed flow fan case air port is smooth, to be conducive to concentrate wind-force and wind direction, by the sound absorbing layer of setting, so that impeller is in mixed flow
When being rotated under the action of blower, generates noise and absorbed by sound absorbing layer, while under the cooperation with noise reduction layer, so that the sound wave of noise
It is consumed in noise reduction layer, is further reduced noise, by the puigging of setting, so that being blocked in the noise for passing through noise reduction layer, made
The lower noise of air must be passed to minimum, reach the effect of noise reduction.
2. the low noise mixed flow fan case, by the filter plate of setting, so that entering through blast pipe when the low noise is mixed
The wind of flow type fan case increases making for the low noise mixed flow fan case without the large particle for having an impact flow-mixing blower fan work
With the service life, by the fixed ring of setting, while with land the low noise mixed flow fan case
Or lifting, increase the low noise mixed flow fan case usability.
Detailed description of the invention
Fig. 1 is the utility model sectional side view；
Fig. 2 is the utility model front elevational view；
Fig. 3 is the utility model front view.
In figure: 1 bellows main body, 2 diversion pipes, 3 air-guiding holes, 4 connecting flanges, 5 discharge pipes, 6 radiators, 7 cushions, 8 connect
It connects block, 9 make air duct, 10 fan supporters, 11 flow-mixing blower fans, 12 impellers, 13 puiggings, 14 noise reduction layers, 15 sound absorbing layers, 16 sound-absorbings
Hole, 17 shield air hoses, 18 mounting flanges, 19 blast pipes, 20 air inlet holes, 21 filter plates, 22 filter hole, 23 filtering sponges, 24 are fixed
Ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of low noise mixed flow fan case, including wind
Box main body 1, the left-hand face of bellows main body 1 are fixedly connected with diversion pipe 2, and diversion pipe 2 and the shape for protecting air hose 17 are loudspeaker
Shape, air-guiding hole 3 are connected with air duct 9 is made, and the surface of shield air hose 17 offers and makes air duct 9 and that air inlet hole 20 is connected is logical
Hole keeps the low noise mixed flow fan case air port smooth by the diversion pipe 2 of setting, and in the effect with shield air hose 17, thus
Be conducive to that wind-force and wind direction, the surface of diversion pipe 2 is concentrated to offer air-guiding hole 3, the left-hand face of diversion pipe 2 passes through connecting flange
4 are threaded with discharge pipe 5, the through-hole that the surface of discharge pipe 5 is connected with air-guiding hole 3, and the table of discharge pipe 5 and blast pipe 19
Anti-oxidation processing is passed through in face, and the top of bellows main body 1 is fixedly connected with radiator 6, and the bottom of bellows main body 1 is fixedly connected with slow
Rush pad 7, the material of cushion 7 is rubber, and the quantity of link block 8 is two, two link blocks 8 with bellows main body 1 it is vertical in
Line is the bottom that symmetry axis is symmetrically distributed in bellows main body 1, and the bottom of cushion 7 is fixedly connected with link block 8, bellows main body 1
Inner wall offer and make air duct 9, the surface for making 9 inner wall of air duct is fixedly connected with fan supporter 10, and the surface of fan supporter 10 is opened
Equipped with groove compatible with flow-mixing blower fan 11, and the length of fan supporter 10 is equal with the width for making air duct 9, makes air duct 9
Cross sectional shape is circle, and the surface of fan supporter 10 is fixedly connected with flow-mixing blower fan 11, and the output end of flow-mixing blower fan 11 is fixed to be connected
It is connected to impeller 12, the inner cavity of bellows main body 1 is fixedly connected with puigging 13, by the puigging 13 of setting, so that disappearing passing through
The noise of sound-absorbing layer 14 is blocked, so that pass to the lower noise of air to minimum, reaches the effect of noise reduction, puigging 13 it is interior
Side surface is fixedly connected with noise reduction layer 14, and the inner surface of noise reduction layer 14 is fixedly connected with sound absorbing layer 15, passes through the sound-absorbing of setting
Layer 15, when so that impeller 12 rotating under the action of flow-mixing blower fan 11, generate noise absorbed by sound absorbing layer 15, while with disappear
Under the cooperation of sound-absorbing layer 14, so that the sound wave of noise is consumed in noise reduction layer 14, it is further reduced noise, the surface of sound absorbing layer 15 is opened
Equipped with sound-absorption hole 16, sound-absorption hole 16 is connected with air duct 9 is made, and the material of sound absorbing layer 15 is annular knurl type mineral wool board, noise reduction layer 14
Filler is polyester acoustical cotton, and the filler of puigging 13 is deadening felt, and the right lateral surface of bellows main body 1 is fixedly connected with shield wind
The surface of pipe 17, shield air hose 17 is threaded with blast pipe 19 by mounting flange 18, and the surface of blast pipe 19 offers air inlet
Hole 20, the inner wall surface of air inlet hole 20 are fixedly connected with filter plate 21, by the filter plate 21 of setting so that through blast pipe 19 into
The wind for entering to work as the low noise mixed flow fan case increases the low noise without the large particle for having an impact the work of flow-mixing blower fan 11
The service life of mixed flow fan case, the surface of filter plate 21 offer filter hole 22, and the inner wall surface of filter hole 22 is fixed to be connected
It is connected to filtering sponge 23, the top of bellows main body 1 is fixedly connected with fixed ring 24, by the fixed ring 24 of setting, while with
Under the cooperation of link block 8, allows the low noise mixed flow fan case to land or lift, increase the low noise mixed-flow
Air box usability.
Working principle: when a kind of low noise mixed flow fan case in use, starting flow-mixing blower fan 11, so that impeller 12 revolves
Turn, makes an uproar so that outside air enters to generate while making in air duct 9 through blast pipe 19 after filtering by filter plate 21
Sound, noise are entered in sound absorbing layer 15 by sound-absorption hole 16, and absorb partial noise by sound absorbing layer 15, are disappeared when noise enters
When sound-absorbing layer 14, so that while most of noise is consumed by noise reduction layer 14 also under the action of puigging 13, so that traveling to sky
The noise of gas reaches minimum value, reaches the effect of noise reduction, and then realize the purpose of low noise, while flow-mixing blower fan 11 is at work
The heat of generation after the absorption of radiator 6 and passes to air, is conducive to the work of flow-mixing blower fan 11.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of low noise mixed flow fan case, including bellows main body (1), it is characterised in that: the left side of the bellows main body (1)
Surface is fixedly connected with diversion pipe (2), and the surface of the diversion pipe (2) offers air-guiding hole (3), a left side for the diversion pipe (2)
Side surface is threaded with discharge pipe (5) by connecting flange (4), is fixedly connected with heat dissipation at the top of the bellows main body (1)
The bottom of device (6), the bellows main body (1) is fixedly connected with cushion (7), and the bottom of the cushion (7) is fixedly connected with
Link block (8), the inner wall of the bellows main body (1), which offers, to be made air duct (9), and the surface for making air duct (9) inner wall is fixed to be connected
It is connected to fan supporter (10), the surface of the fan supporter (10) is fixedly connected with flow-mixing blower fan (11), the flow-mixing blower fan
(11) output end is fixedly connected with impeller (12), and the inner cavity of the bellows main body (1) is fixedly connected with puigging (13), described
The inner surface of puigging (13) is fixedly connected with noise reduction layer (14), and the inner surface of the noise reduction layer (14) is fixedly connected with suction
The surface of sound-absorbing layer (15), the sound absorbing layer (15) offers sound-absorption hole (16), and the right lateral surface of the bellows main body (1) is fixed to be connected
It is connected to shield air hose (17), the surface of shield air hose (17) is threaded with blast pipe (19) by mounting flange (18), described
The surface of blast pipe (19) offers air inlet hole (20), and the inner wall surface of the air inlet hole (20) is fixedly connected with filter plate
(21), the surface of the filter plate (21) offers filter hole (22), and the inner wall surface of the filter hole (22) is fixedly connected with
It filters sponge (23), is fixedly connected with fixed ring (24) at the top of the bellows main body (1).
2. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that: the table of the discharge pipe (5)
The through-hole that face is connected with air-guiding hole (3), and anti-oxidation processing is passed through on the surface of discharge pipe (5) and blast pipe (19).
3. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that: the material of the cushion (7)
Matter is rubber, and the quantity of the link block (8) is two, and two link blocks (8) are symmetrical with the vertical center line of bellows main body (1)
Axial symmetry is distributed in the bottom of bellows main body (1).
4. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that: the sound-absorption hole (16) with make
Air duct (9) is connected, and the material of the sound absorbing layer (15) is annular knurl type mineral wool board, and the filler of the noise reduction layer (14) is polyester
Acoustical cotton, the filler of the puigging (13) are deadening felt.
5. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that: the diversion pipe (2) and shield
The shape of air hose (17) be it is horn-like, the air-guiding hole (3) is connected with air duct (9) is made, it is described shield air hose (17) surface
The through-hole for offering and making air duct (9) and air inlet hole (20) is connected.
6. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that: the fan supporter (10)
Surface offers and flow-mixing blower fan (11) compatible groove, and the length of fan supporter (10) and the width phase of making air duct (9)
It is circle Deng, the cross sectional shape for making air duct (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853110.6U CN208565069U (en) | 2018-06-04 | 2018-06-04 | A kind of low noise mixed flow fan case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853110.6U CN208565069U (en) | 2018-06-04 | 2018-06-04 | A kind of low noise mixed flow fan case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565069U true CN208565069U (en) | 2019-03-01 |
Family
ID=65485434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820853110.6U Expired - Fee Related CN208565069U (en) | 2018-06-04 | 2018-06-04 | A kind of low noise mixed flow fan case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555199A (en) * | 2021-01-25 | 2021-03-26 | 天津市福锐达电气成套设备工程有限公司 | Multifunctional fan isolation box |
-
2018
- 2018-06-04 CN CN201820853110.6U patent/CN208565069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555199A (en) * | 2021-01-25 | 2021-03-26 | 天津市福锐达电气成套设备工程有限公司 | Multifunctional fan isolation box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20200604 |