CN206785739U - Folk art term explosion-proof axial flow fan - Google Patents
Folk art term explosion-proof axial flow fan Download PDFInfo
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- CN206785739U CN206785739U CN201720653789.XU CN201720653789U CN206785739U CN 206785739 U CN206785739 U CN 206785739U CN 201720653789 U CN201720653789 U CN 201720653789U CN 206785739 U CN206785739 U CN 206785739U
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- explosion
- impeller
- resistant enclosure
- blower housing
- small opening
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Abstract
The utility model discloses a kind of folk art term explosion-proof axial flow fan, including explosion-resistant enclosure, blower housing, impeller, motor and guide vane device, in explosion-resistant enclosure, the bottom of blower housing is arranged on support the blower housing, and cushion pad is provided between support and explosion-resistant enclosure；The output shaft of motor connects impeller axle by shaft coupling, and impeller is installed in impeller axle；The left side of impeller is provided with guide vane device；Explosion-resistant enclosure is provided with the small opening in semicircular outside in the position of the front side of impeller, and outside small opening is provided with semicircular outer cover；The position of blower housing side before the impeller is provided with the small opening in semicircular inside, and internal small opening is provided with semicircular inner cover；The folk art term explosion-proof axial flow fan devises explosion-resistant enclosure and blower housing with small opening and lid, and bolt can be backed out when blower fan needs maintenance, and opening lid can overhaul to wind wheel, be worth promoting.
Description
Technical field
Blower fan technical field is the utility model is related to, especially a kind of folk art term explosion-proof axial flow fan.
Background technology
Axial flow blower, purposes is very extensive, is exactly and the equidirectional air-flow of the axle of fan blade, such as electric fan, outdoor machine of air-conditioner wind
Fan is exactly that axle stream mode runs blower fan.Why it is referred to as " axial-flow type ", is because gas flows parallel to fan shaft.Axial-flow type wind
Machine is generally used for the occasion that traffic requirement is higher and pressure requirements are relatively low.Axial fan fixed position simultaneously moves air.Axle
Flow fan is mainly made up of draught fan impeller and casing, simple in construction but data demand is very high.
One layer of blower housing is only needed for most of axial flow blower as mechanism shell, but for existing
, it is necessary to increase anti-riot housing under the working environment of flammable explosive gas, because it needs to play explosion prevention function, it is therefore desirable to internally
The blower housing in portion is surrounded, this difficulty just brought for the maintenance of blower fan.
Utility model content
The utility model aims to provide a kind of explosion-resistant enclosure and blower housing designed with small opening and lid, is easy to
The folk art term explosion-proof axial flow fan of maintenance.
To achieve the above object, the utility model provides following technical scheme：Folk art term explosion-proof axial flow fan, including it is explosion-proof
Shell, blower housing, impeller, motor and guide vane device, the blower housing is in explosion-resistant enclosure, the bottom installation of blower housing
On support, cushion pad is provided between support and explosion-resistant enclosure；The output shaft of motor connects impeller axle, impeller axle by shaft coupling
Upper installation impeller；The left side of impeller is provided with guide vane device, and guide vane device includes guide vane and wheel hub, and guide vane is uniform centered on wheel hub
Annular array is distributed, and is fixedly connected in wheel hub, and guide vane is obliquely installed；Explosion-resistant enclosure is provided with half in the position of the front side of impeller
The circular small opening in outside, outside small opening are provided with semicircular outer cover, and the lower end of outer cover is connected through the hinge explosion-proof
Shell, upper end are provided with external connection plate, external connection plate, the external connection plate of explosion-resistant enclosure are again provided with the top of explosion-resistant enclosure
It is bolted between the external connection plate on explosion-resistant enclosure；The position of blower housing side before the impeller is provided with semicircular
Internal small opening, internal small opening are provided with semicircular inner cover, and the lower end of inner cover is connected through the hinge blower housing, pushes up
Portion is provided with inside link plate, is again provided with inside link plate at the top of blower housing, the inside link plate on blower housing with it is anti-
Inside link plate on quick-fried shell is bolted.
As further scheme of the present utility model：The left side of the explosion-resistant enclosure is provided with air inlet, and air inlet passes through pipe
The left end of road connecting fan shell, the right side of explosion-resistant enclosure are provided with air outlet, the right side that air outlet passes through pipeline connecting fan shell
End, is provided with sealing ring between above-mentioned pipeline and explosion-resistant enclosure.
As further scheme of the present utility model：The incline direction of the guide vane is identical with the direction of rotation of impeller.
As further scheme of the present utility model：Rubber blanket is provided between the outer cover and outside small opening.
As further scheme of the present utility model：Rubber blanket is provided between the inner cover and internal small opening.
Compared with prior art, the beneficial effects of the utility model are：The folk art term explosion-proof axial flow fan, which devises, to be carried
The explosion-resistant enclosure and blower housing of small opening and lid, bolt can be backed out when blower fan needs maintenance, opens lid
The wind wheel of rapid wear is overhauled；Other the utility model devises guide vane device in air inlet, improves the air quantity of blower fan, improves
Mechanical efficiency, it is worth promoting.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of explosion-resistant enclosure of the present utility model；
Fig. 3 is the structural representation of blower housing of the present utility model；
Fig. 4 is the structural representation of guide vane device of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-4, in the utility model embodiment, folk art term explosion-proof axial flow fan, including explosion-resistant enclosure 1, blower fan
Shell 2, impeller 3, motor 4 and guide vane device 5, in explosion-resistant enclosure 1, the bottom of blower housing 2 is arranged on the blower housing 2
On support 6, cushion pad is provided between support 6 and explosion-resistant enclosure 1；The output shaft of motor 4 connects impeller axle, impeller by shaft coupling
Impeller 3 is installed on axle；The left side of impeller 3 is provided with guide vane device 5, and guide vane device 5 includes guide vane 501 and wheel hub 502, guide vane 501
The uniform annular array distribution centered on wheel hub 502, and be fixedly connected in wheel hub 502, guide vane 501 is obliquely installed；
Explosion-resistant enclosure 1 is provided with the small opening in semicircular outside in the position of the front side of impeller 3, and outside small opening is provided with semicircle
The outer cover 7 of shape, the lower end of outer cover 7 are connected through the hinge explosion-resistant enclosure 1, and upper end is provided with external connection plate 8, explosion-resistant enclosure 1
Top be again provided with external connection plate 8, the external connection plate 8 and the external connection plate 8 on explosion-resistant enclosure 1 of explosion-resistant enclosure 1 it
Between be bolted；External connection plate 8 and bolt can to being attached fixation between outer cover 7 and explosion-resistant enclosure 1,
Stability is strong, and is easy to seal；
Blower housing 2 is provided with the small opening in semicircular inside in the position of the front side of impeller 3, and internal small opening is provided with semicircle
The inner cover 9 of shape, the lower end of inner cover 9 are connected through the hinge blower housing 2, and top is provided with inside link plate 10, blower housing 2
Top be again provided with inside link plate 10, the inside link plate 10 on blower housing 2 and the inside link plate on explosion-resistant enclosure 1
10 are bolted；Inside link plate 10 and bolt can be solid to being attached between inner cover 9 and blower housing 2
Fixed, stability is strong, and is easy to seal.
Above-mentioned, the left side of explosion-resistant enclosure 1 is provided with air inlet 21, air inlet 21 by the left end of pipeline connecting fan shell 2,
The right side of explosion-resistant enclosure 1 is provided with air outlet 22, and air outlet 22 is by the right-hand member of pipeline connecting fan shell 2, and above-mentioned pipeline is with preventing
Sealing ring is provided between quick-fried shell 1.
Above-mentioned, the incline direction of guide vane 501 is identical with the direction of rotation of impeller 3.
It is above-mentioned, it is provided with rubber blanket between outer cover 7 and outside small opening.Prevent outer cover 7 from producing vibration while sealing
Friction.
It is above-mentioned, it is provided with rubber blanket between inner cover 9 and internal small opening.Prevent inner cover 9 from producing vibration while sealing
Friction.
The utility model devises explosion-resistant enclosure and blower housing with small opening and lid, can be needed in blower fan
Bolt is backed out during maintenance, opening lid can overhaul to the wind wheel of rapid wear.
Design feature and its operation principle of the present utility model：The impeller 3 of motor 4 rotates, and external air flow is from air inlet
21 enter through the guide vane 501 of guide vane device 5, can be produced through the air-flow after guide vane 501 consistent with the direction of rotation of impeller 3
Pre-rotation and enter in blower housing 2, the air inlet angle of attack of the entrance of impeller 3 is advantageously reduced, so as to reduce the entrance stream of impeller 3
Dynamic loss, improve the air quantity of blower fan.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. folk art term explosion-proof axial flow fan, including explosion-resistant enclosure, blower housing, impeller, motor and guide vane device, it is characterised in that
In explosion-resistant enclosure, the bottom of blower housing is arranged on support the blower housing, is provided between support and explosion-resistant enclosure
Cushion pad；The output shaft of motor connects impeller axle by shaft coupling, and impeller is installed in impeller axle；The left side of impeller is provided with stator
Device, guide vane device includes guide vane and wheel hub, guide vane uniform annular array distribution centered on wheel hub, and fixes and connect in wheel hub
Connect, guide vane is obliquely installed；Explosion-resistant enclosure is provided with the small opening in semicircular outside, outside small opening in the position of the front side of impeller
It is provided with semicircular outer cover, the lower end of outer cover is connected through the hinge explosion-resistant enclosure, and upper end is provided with external connection plate, explosion-proof
External connection plate is again provided with the top of shell, between the external connection plate on the external connection plate and explosion-resistant enclosure of explosion-resistant enclosure
It is bolted；The position of blower housing side before the impeller is provided with the small opening in semicircular inside, and internal small opening is provided with
Semicircular inner cover, the lower end of inner cover are connected through the hinge blower housing, and top is provided with inside link plate, blower housing
Top is again provided with inside link plate, and the inside link plate on inside link plate and explosion-resistant enclosure on blower housing passes through bolt
Connection.
2. folk art term explosion-proof axial flow fan according to claim 1, it is characterised in that the left side of the explosion-resistant enclosure is provided with
Air inlet, air inlet are provided with air outlet by the left end of pipeline connecting fan shell, the right side of explosion-resistant enclosure, and air outlet passes through pipe
The right-hand member of road connecting fan shell, sealing ring is provided between above-mentioned pipeline and explosion-resistant enclosure.
3. folk art term explosion-proof axial flow fan according to claim 1, it is characterised in that the incline direction of the guide vane with
The direction of rotation of impeller is identical.
4. folk art term explosion-proof axial flow fan according to claim 1, it is characterised in that the outer cover and outside small opening
Between be provided with rubber blanket.
5. folk art term explosion-proof axial flow fan according to claim 1, it is characterised in that the inner cover and internal small opening
Between be provided with rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653789.XU CN206785739U (en) | 2017-06-07 | 2017-06-07 | Folk art term explosion-proof axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653789.XU CN206785739U (en) | 2017-06-07 | 2017-06-07 | Folk art term explosion-proof axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206785739U true CN206785739U (en) | 2017-12-22 |
Family
ID=60715523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653789.XU Active CN206785739U (en) | 2017-06-07 | 2017-06-07 | Folk art term explosion-proof axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206785739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101989085B1 (en) * | 2019-02-14 | 2019-06-13 | (주)노아 엑츄에이션 | Air blower for explosion proof |
-
2017
- 2017-06-07 CN CN201720653789.XU patent/CN206785739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101989085B1 (en) * | 2019-02-14 | 2019-06-13 | (주)노아 엑츄에이션 | Air blower for explosion proof |
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