CN209494735U - A kind of air-foil fan - Google Patents
A kind of air-foil fan Download PDFInfo
- Publication number
- CN209494735U CN209494735U CN201822060494.9U CN201822060494U CN209494735U CN 209494735 U CN209494735 U CN 209494735U CN 201822060494 U CN201822060494 U CN 201822060494U CN 209494735 U CN209494735 U CN 209494735U
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- chassis
- section
- air
- tilting section
- arc
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Abstract
The utility model discloses a kind of air-foil fans, including spiral case, one end Middle face of spiral case is provided with air inlet, impeller is provided in spiral case, impeller includes chassis, several blades of chassis upper surface are set, blade includes surface plate, arc plate, the top surface of blade is provided with the first tilting section, connect the second tilting section of the first tilting section, first inclined height in the middle part of chassis towards chassis lateral direction by being gradually increased, second tilting section connects the first tilting section side, the lateral surface of spiral case includes the different ascending head and the tail splicing arc section of several segments radius, adjacent arc section is tangent mutually, the maximum arc section end of radius is provided with discharge pipe, the one side wall of discharge pipe and the maximum arc section of radius are tangent, another side wall of discharge pipe is connected with the smallest arc section of radius.The utility model solves the problems, such as that traditional blower causes fan performance variation to fluctuate the not high enough problem of larger, conventional fan outlet air efficiency using the design of single straight plate blade or single circular arc.
Description
Technical field
The utility model relates to a kind of blower, especially a kind of air-foil fan.
Background technique
The design method of blower centrifugal impeller is using single straight plate blade or single circular arc flow design, Seriation Design at present
It will cause that performance change is too big, and not high using the fan efficiency of this impeller, be not able to satisfy the demand of a variety of outlet air performances.
Impeller blade, impeller hub disk are processed using steel plate, and blade bending deformation is difficult to guarantee, the Blade Properties processed using single plate
Difference；Using welding processing impeller, machining accuracy is difficult to guarantee, and manufacturing cost is too high, and working efficiency is lower, is difficult to guarantee fan performance；
Using steel plate materials welding integral leaf wheel, when running at high speed also it is easy to produce static electricity produce fire by friction flower cause fire.
Utility model content
Technical problem to be solved by the utility model is: traditional blower is led using the design of single straight plate blade or single circular arc
Fan performance variation is caused to fluctuate larger problem, in addition, solving the problems, such as that the outlet air efficiency of conventional fan is not high enough.
The solution that the utility model solves its technical problem is:
A kind of air-foil fan, including spiral case, one end Middle face of the spiral case are provided with air inlet, setting in the spiral case
There are impeller, the setting of impeller described in the air inlet face, the impeller includes chassis, the several of the chassis upper surface are arranged in
A blade, several described blades are arranged with the center circumferential array on the chassis, and the blade includes surface plate, described in connection
The arc plate of surface plate side, the arc plate are set to far from the side in the middle part of the chassis, the top surface setting of the blade
There is the second tilting section of the first tilting section, connection first tilting section, first tilting section is set to the surface plate
Top surface, first tilting section are disposed in proximity to one end of the center chassis, and the first inclined height is by the chassis
Middle part is gradually increased towards the chassis lateral direction, and second tilting section connects the highest point one of first tilting section
The height of side, second tilting section is gradually reduced toward the chassis outer ledge, the upper surface of second tilting section and institute
State chassis surface formed the first angle, first tilting section, second tilting section lateral surface with the blade
Lateral surface is coplanar, and the lateral surface of the spiral case includes the arc section of the ascending head and the tail splicing of several segments radius, and adjacent is described
Arc section is tangent mutually, and the maximum arc section end of radius is provided with discharge pipe, the one side wall and radius of the discharge pipe
The maximum arc section is tangent, and another side wall of the discharge pipe is connected with the smallest arc section of radius.
As a further improvement of the above technical scheme, the arc section is arranged four, the radius of four arc sections
It is of different sizes.
As a further improvement of the above technical scheme, the cross section of the discharge pipe is round or rectangle.
As a further improvement of the above technical scheme, the impeller further includes reel, is provided with out in the middle part of the chassis
Hole, the periphery of the reel are provided with several grooves, and the inner wall of the aperture is provided with several protrusions, the protrusion and institute
It states groove and corresponds cooperation, the spiral case is provided with motor far from the air inlet side, and the output shaft of the motor is worn
The spiral case is crossed to be connected the reel.
As a further improvement of the above technical scheme, the periphery of the reel is provided with several slots, described flat
Panel connects the slot, and the tangential direction of the depth direction of slot slot position corresponding with the reel forms acute angle.
As a further improvement of the above technical scheme, first angle is 10 ° -20 °.
As a further improvement of the above technical scheme, the surface plate and the tangent connection of the arc plate, the circular arc
The tangent line of plate and the chassis edge forms obtuse angle.
As a further improvement of the above technical scheme, the air inlet is provided with wind collecting unit, and the wind collecting unit includes cover
Body, the disk body for connecting the cover bottom, the opening of the cover and the opening of the disk body mutually deviate from setting, the cover
Bottom be connected to the disk body, the opening side of the cover is provided with ring flange, and the ring flange connects the air inlet, institute
State the side that disk body is disposed in proximity to the air inlet.
As a further improvement of the above technical scheme, the side of the disk body has a taper, the disk body side it is outer
Diameter is gradually increased from the cover side toward the direction of the air inlet.
As a further improvement of the above technical scheme, the impeller, the spiral case are all made of aluminum alloy material.
The beneficial effects of the utility model are: the blade is arranged with center chassis circumference array, so that chassis was rotating
In journey with movable vane piece rotation, it can be achieved that air draught and air draft function, the setting of the surface plate and the arc plate, upon rotation of the blade
Extraneous wind is blown out from surface plate using arc plate, the effective controllability for improving air inlet with outlet air, first is tilted by this
The setting of section, the second tilting section, the first angle, extraneous air are inhaled into the middle part of chassis, and partial air is by blade
Lateral surface blowout, partial air are blown out again by first tilting section, the second tilting section, the first angle, when air by this
One tilting section, the second tilting section, the first angle, air are moved along its surface, the performance indicator for the blower which meets,
The design efficiency that impeller reaches some particular characteristic index is effectively improved, the performance of impeller can be played preferably, the spiral case
Side includes the ascending head and the tail splicing of the different arc section of several segments radius, and the adjacent arc section is tangent mutually, radius
The maximum arc section end is provided with discharge pipe, one side wall and the maximum arc section phase of radius of the discharge pipe
It cuts, another side wall of the discharge pipe is connected with the smallest arc section of radius, so, it is possible more convenient to spiral case
Side carries out relevant radial design adjusting, the performance of more convenient control blower.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the explosive view of the utility model；
Fig. 2 is first axonometric drawing of impeller of the utility model；
Fig. 3 is the impeller side structural schematic diagram of the utility model；
Fig. 4 is the impeller overlooking structure diagram of the utility model；
Fig. 5 is second axonometric drawing of impeller of the utility model；
Fig. 6 is the wind collecting unit of the utility model, impeller side schematic diagram；
Fig. 7 is the side schematic view of the utility model；
Fig. 8 is the spiral case side schematic view of the utility model.
In figure: air inlet 1, chassis 2, surface plate 3, arc plate 4, the first tilting section 5, the second tilting section 6, the first angle 7,
Arc section 8, discharge pipe 9, reel 10, obtuse angle 11, motor 12, groove 13, protrusion 14, slot 15, acute angle 16, cover 17, disk body
18, ring flange 19.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the invention is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
One end Middle face of referring to Fig.1~Fig. 8, a kind of air-foil fan, including spiral case, the spiral case is provided with air inlet 1,
Impeller, the setting of impeller described in 1 face of air inlet are provided in the spiral case, the impeller includes chassis 2, is arranged described
Several blades of 2 upper surface of chassis, several described blades are arranged with the center circumferential array on the chassis 2, the blade
Arc plate 4 including surface plate 3, connection 3 side of surface plate, the arc plate 4 are set to far from 2 middle part of chassis
Side, the top surface of the blade is provided with the second tilting section 6 of the first tilting section 5, connection first tilting section 5, described
First tilting section 5 is set to the top surface of the surface plate 3, and first tilting section 5 is disposed in proximity to 2 center of chassis
One end, the first inclined height are gradually increased by 2 middle part of chassis towards 2 lateral direction of chassis, and described second
Tilting section 6 connects the highest point side of first tilting section 5, and the height of second tilting section 6 is toward 2 outer side edges of chassis
Edge is gradually reduced, and the surface on the upper surface of second tilting section 6 and the chassis 2 forms the first angle 7, first inclination
Section 5, the lateral surface of second tilting section 6 are coplanar with the lateral surface of the blade, and the lateral surface of the spiral case includes several
The arc section 8 of the ascending head and the tail splicing of section radius, mutual tangent, the maximum circular arc of radius of the adjacent arc section 8
8 ends of section are provided with discharge pipe 9, and the one side wall and the maximum arc section 8 of radius of the discharge pipe 9 are tangent, the outlet air
Another side wall of pipe 9 is connected with the smallest arc section 8 of radius.
In the present embodiment, the blade is with the setting of 2 center circumferential array of chassis, so that chassis 2 drives during rotation
Blade rotates the function, it can be achieved that air draught and air draft, and the setting of the surface plate 3 and the arc plate 4 is extraneous upon rotation of the blade
Wind blown out from surface plate 3 using arc plate 4, the effective controllability for improving air inlet with outlet air passes through first tilting section
5, the setting of the second tilting section 6, the first angle 7, extraneous air are inhaled into from the middle part on chassis 2, and partial air passes through blade
Lateral surface blowout, partial air is blown out again by first tilting section 5, the second tilting section 6, the first angle 7, when air passes through
First tilting section 5, the second tilting section 6, the first angle 7, air are moved along its surface, the property for the blower which meets
Energy index, effectively improves the design efficiency that impeller reaches some particular characteristic index, and the performance of impeller can be played preferably, should
The side of spiral case includes the different ascending head and the tail of arc section 8 splicing of several segments radius, the adjacent mutual phase of the arc section 8
It cuts, maximum 8 end of arc section of radius is provided with discharge pipe 9, and the one side wall and radius of the discharge pipe 9 are maximum described
Arc section 8 is tangent, and another side wall of the discharge pipe 9 is connected with the smallest arc section 8 of radius, so, it is possible more square
Just the side to spiral case carries out relevant radial design adjusting, the performance of more convenient control blower.
It is further used as preferred embodiment, the arc section 8 is arranged four, and the radius of four arc sections 8 is big
Small difference；The structure is simple, setting is convenient, setting with this configuration, adjusting four different arc sections 8 that can be more convenient
Radius, in practical applications, those skilled in the art can be according to the size of different blower air output demands to each section of arc section 8
Radius be adjusted.
It is further used as preferred embodiment, the cross section of the discharge pipe 9 is round or rectangle；The structure is simple,
Setting is convenient, is being arranged with this configuration, can adapt to more kinds of outlet air demands.
It is further used as preferred embodiment, the impeller further includes reel 10, is provided with out in the middle part of the chassis 2
Hole, the periphery of the reel 10 are provided with several grooves 13, and the inner wall of the aperture is provided with several raised 14, described convex
It plays 14 and is corresponded with the groove 13 and cooperated, the spiral case is provided with motor 12, the electricity far from 1 side of air inlet
The output shaft of machine 12 passes through the spiral case and is connected the reel 10；The structure is simple, setting is convenient, setting with this configuration
It sets, more convenient connection for realizing reel 10 and motor 12, meanwhile, motor 12 can be driven and then the connection with the reel 10
Chassis 2 rotates.
It is further used as preferred embodiment, the periphery of the reel 10 is provided with several slots 15, described flat
Panel 3 connects the slot 15, the tangential direction of 15 position of the depth direction of the slot 15 slot corresponding with the reel 10
Form acute angle 16；The structure is simple, setting is convenient, and setting with this configuration more convenient can be entered the wind on blade
Angle adjusting.
It is further used as preferred embodiment, first angle 7 is 10 ° -20 °；The structure is simple, setting is reasonable,
The air output of the setting of first angle 7, blade is better, it is preferred that first angle 7 takes 15 ° in practical applications.
It is further used as preferred embodiment, the surface plate 3 and the tangent connection of the arc plate 4, the arc plate 4
Obtuse angle 11 is formed with the tangent line at 2 edge of chassis, the structure is simple, setting is convenient, and it is more stable to can be realized outlet air, furthermore
Those skilled in the art can be according to the adjustment to obtuse angle 11, so that meeting is accordingly fan performance.
It is further used as preferred embodiment, the air inlet 1 is provided with wind collecting unit, and the wind collecting unit includes cover
17, the disk body 18 of 17 bottom of cover is connected, the opening of the cover 17 and the opening of the disk body 18, which mutually deviate from, to be set
It sets, the bottom of the cover 17 is connected to the disk body 18, and the opening side of the cover 17 is provided with ring flange 19, the flange
Disk 19 connects the air inlet 1, and the disk body 18 is disposed in proximity to the side of the air inlet 1；The structure is simple, setting side
Just, setting with this configuration, it is more stable from the air inlet of the air inlet 1 of spiral case, intake is bigger.
Be further used as preferred embodiment, the side of the disk body 18 has a taper, 18 side of disk body it is outer
Diameter is gradually increased from 17 side of cover toward the direction of the air inlet 1；The structure is simple, setting is convenient, passes through setting for structure
It sets, disk body 18 is more close to fan blade, and the inner wall of disk body 18 is more close to the top surface of second tilting section 6, so that blower is entered the wind
It is more stable.
It is further used as preferred embodiment, the impeller, the spiral case are all made of aluminum alloy material；It is closed by the aluminium
The setting of golden material, the flower easy to produce static electricity that produces fire by friction when avoiding running at high speed using traditional steel, by using aluminium alloy
Material, those skilled in the art can disposably cast integral wheel, in addition, the camber bending of arc plate 4 is more accurate, it is ensured that
Air inlet, the air outlet angle of blade, do not need secondary operation integral wheel, improve impeller service performance and production efficiency.
Those skilled in the art correspondingly can be bent the blade by changing the outer diameter of the impeller during design
Intersection point diameter increases, and blade bending intersection point diameter refers to the surface plate 3 and 4 junction of arc plate；In impeller outer diameter
When increase, which increases, i.e. the diameter that the highest point of several first tilting sections 5 is surrounded increases；
When the outer diameter of impeller increases, the arc plate 4, surface plate 3 height can be correspondingly improved, and then effectively improve air quantity；When
When the outer diameter of impeller increases, which correspondingly increases；When impeller outer diameter increases, which correspondingly increases.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of air-foil fan, including spiral case, one end Middle face of the spiral case is provided with air inlet (1), it is characterised in that: institute
It states and is provided with impeller in spiral case, the setting of impeller described in air inlet (1) face, the impeller includes chassis (2), is arranged in institute
Several blades of chassis (2) upper surface are stated, several described blades are arranged with the center circumferential array of the chassis (2), institute
The arc plate (4) that blade includes surface plate (3), connection surface plate (3) side is stated, the arc plate (4) is set to separate
Side in the middle part of the chassis (2), the top surface of the blade are provided with the first tilting section (5), connection first tilting section (5)
The second tilting section (6), first tilting section (5) is set to the top surface of the surface plate (3), first tilting section (5)
Be disposed in proximity to the one end at the chassis (2) center, the first inclined height by the middle part of the chassis (2) towards the bottom
Disk (2) lateral direction is gradually increased, and second tilting section (6) connects the highest point side of first tilting section (5), described
The height of second tilting section (6) is gradually reduced toward the chassis (2) outer ledge, the upper surface of second tilting section (6) with
The surface of the chassis (2) forms the first angle (7), first tilting section (5), second tilting section (6) lateral surface
Coplanar with the lateral surface of the blade, the lateral surface of the spiral case includes the circular arc of the ascending head and the tail splicing of several segments radius
Section (8), the adjacent arc section (8) is tangent mutually, and maximum arc section (8) end of radius is provided with discharge pipe (9),
The one side wall of the discharge pipe (9) and the maximum arc section (8) of radius are tangent, another side wall of the discharge pipe (9) with
The smallest arc section (8) of radius is connected.
2. a kind of air-foil fan according to claim 1, it is characterised in that: the arc section (8) is arranged four, four institutes
The radius size for stating arc section (8) is different.
3. a kind of air-foil fan according to claim 1, it is characterised in that: the cross section of the discharge pipe (9) is circle
Or rectangle.
4. a kind of air-foil fan according to claim 1, it is characterised in that: the impeller further includes reel (10), described
It is provided with aperture in the middle part of chassis (2), the periphery of the reel (10) is provided with several grooves (13), the inner wall of the aperture
Be provided with several raised (14), the protrusion (14) and the groove (13) correspond and cooperate, the spiral case far from described
Air inlet (1) side is provided with motor (12), and the output shaft of the motor (12) passes through the spiral case and is connected the reel
(10)。
5. a kind of air-foil fan according to claim 4, it is characterised in that: the reel (10) if periphery be provided with
Dry slot (15), the surface plate (3) connect the slot (15), the depth direction and the reel of the slot (15)
(10) tangential direction of corresponding slot (15) position forms acute angle (16).
6. a kind of air-foil fan according to claim 1, it is characterised in that: first angle (7) is 10 ° -20 °.
7. a kind of air-foil fan according to claim 1, it is characterised in that: the surface plate (3) and the arc plate (4)
The tangent line at tangent connection, the arc plate (4) and the chassis (2) edge forms obtuse angle (11).
8. a kind of air-foil fan according to claim 1, it is characterised in that: the air inlet (1) is provided with wind collecting unit, institute
State the disk body (18) that wind collecting unit includes cover (17), connection cover (17) bottom, the opening of the cover (17) with it is described
The opening of disk body (18) mutually deviates from setting, and the bottom of the cover (17) is connected to the disk body (18), the cover (17)
Opening side is provided with ring flange (19), and the ring flange (19) connects the air inlet (1), and the disk body (18), which is set to, leans on
The side of the nearly air inlet (1).
9. a kind of air-foil fan according to claim 8, it is characterised in that: the side of the disk body (18) has taper,
The outer diameter of disk body (18) side is gradually increased from the cover (17) side toward the direction of the air inlet (1).
10. a kind of air-foil fan according to claim 1, it is characterised in that: the impeller, the spiral case are all made of aluminium conjunction
Golden material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060494.9U CN209494735U (en) | 2018-12-07 | 2018-12-07 | A kind of air-foil fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060494.9U CN209494735U (en) | 2018-12-07 | 2018-12-07 | A kind of air-foil fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494735U true CN209494735U (en) | 2019-10-15 |
Family
ID=68152668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822060494.9U Withdrawn - After Issue CN209494735U (en) | 2018-12-07 | 2018-12-07 | A kind of air-foil fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595186A (en) * | 2018-12-07 | 2019-04-09 | 佛山市南海九洲普惠风机有限公司 | A kind of air-foil fan |
| CN112780585A (en) * | 2019-11-06 | 2021-05-11 | 中国石油化工股份有限公司 | Explosion-proof centrifugal ventilator and explosion-proof method thereof |
-
2018
- 2018-12-07 CN CN201822060494.9U patent/CN209494735U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595186A (en) * | 2018-12-07 | 2019-04-09 | 佛山市南海九洲普惠风机有限公司 | A kind of air-foil fan |
| CN109595186B (en) * | 2018-12-07 | 2023-09-19 | 佛山市南海九洲普惠风机有限公司 | High-efficiency fan |
| CN112780585A (en) * | 2019-11-06 | 2021-05-11 | 中国石油化工股份有限公司 | Explosion-proof centrifugal ventilator and explosion-proof method thereof |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191015 Effective date of abandoning: 20230919 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191015 Effective date of abandoning: 20230919 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |