CN209800355U - Fan impeller - Google Patents
Fan impeller Download PDFInfo
- Publication number
- CN209800355U CN209800355U CN201920148100.7U CN201920148100U CN209800355U CN 209800355 U CN209800355 U CN 209800355U CN 201920148100 U CN201920148100 U CN 201920148100U CN 209800355 U CN209800355 U CN 209800355U
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- China
- Prior art keywords
- air inlet
- guide cover
- air
- guide
- bottom plate
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- 238000009434 installation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a fan field, it discloses a fan wheel, it is few to have solved present impeller air inlet air input, lead to the not good technical problem of fan result of use, include impeller body and install at the axial driving piece of impeller body, the driving piece is used for driving impeller body operation, impeller body is along its axial and the one end that deviates from the driving piece be the air inlet, air inlet department is equipped with the guide cover that admits air, the guide cover that admits air is installed on the air inlet through being provided with the mounting bracket, clearance fit between guide cover and the air inlet admits air, the one side that the guide cover that admits air is close to the air inlet is the connector, the one side that the air. According to above technical scheme, through be equipped with the guide cover that admits air in air inlet department, and clearance fit between guide cover and the air inlet admits air, can not influence the impeller body and rotate to reach the purpose of reinforcing fan wheel's intake.
Description
Technical Field
The utility model relates to a fan field, more specifically says, it relates to a fan wheel.
Background
A fan impeller, also called a centrifugal wind wheel, refers to a wind wheel which can axially intake air and radially output air, and uses centrifugal force to do work to increase pressure of air.
Chinese patent No. CN205298054U discloses a fan impeller which is implemented as a centrifugal fan impeller or a mixed flow fan impeller and has a plurality of fan blades distributed around an axial rotation axis, and a cover plate which is arcuate in radial section and whose bottom surface is disposed on an axial end surface of the fan blades and has an air inlet around the rotation axis.
In the actual use process of the fan impeller, the impeller is used for feeding air from the axial air inlet and discharging air from the radial direction (the gap between the impellers).
SUMMERY OF THE UTILITY MODEL
The impeller air inlet air input that provides is few in the to the background art, leads to the not good technical problem of fan result of use, the utility model aims at providing a fan wheel through be equipped with the guide cover that admits air in air inlet department, and clearance fit between guide cover and the air inlet admits air, can not influence the impeller body and rotate to reach the purpose of reinforcing fan wheel's intake.
In order to achieve the above purpose, the utility model provides a following technical scheme:
A fan impeller comprises an impeller body and a driving piece arranged in the axial direction of the impeller body, wherein the driving piece is used for driving the impeller body to rotate, one end of the impeller body along the axial direction and away from the driving piece is an air inlet,
The air inlet is provided with an air inlet guide cover, the air inlet guide cover is arranged on the air inlet through an installation frame, and the air inlet guide cover is in clearance fit with the air inlet;
The air inlet guide cover is characterized in that one side of the air inlet guide cover close to the air inlet is a connecting port, one side of the air inlet guide cover far away from the air inlet is a guide port, the caliber of the guide port is larger than that of the connecting port, and a curved surface shape protruding towards the circle center direction of the guide port is formed between the connecting port and the guide port.
Through above-mentioned technical scheme, through being equipped with the guide cover that admits air in air inlet department, the bore of the guide mouth of guide cover one side is greater than the air inlet bore of impeller body, installs the guide cover on the air inlet, lets fan wheel when rotating, admits air through bigger air inlet to can increase the air input of fan wheel when rotating, and then reach the purpose that improves fan result of use. Simultaneously, set up between guide cover and the air inlet of admitting air for clearance fit, when the impeller body is rotating to can not influence the installation of guide cover that admits air, and then make the installation of the cover of guide that admits air more convenient, swift.
The utility model discloses further set up to: the edge of the connecting port is provided with a bending part.
Through the technical scheme, the bending part is arranged at the edge of the connecting port, so that the rigidity of the connecting port of the air inlet guide cover is stronger, and the air inlet guide cover is not easy to deform and damage; when the connecting port is deformed, in addition to the influence on the air inlet effect, the material at the connecting port is easily contacted with the impeller body, so that noise is easily generated.
The utility model discloses further set up to: the edge of guide mouth is equipped with connecting portion, the surface of connecting portion is the plane, a plurality of fixed orificess have evenly been seted up along its place circumference to connecting portion.
Through above-mentioned technical scheme, set up connecting portion to the convenient air inlet department position with the guide cover that admits air is fixed with the mounting bracket, simultaneously, sets up the fixed orifices on connecting portion, thereby can install fastening screw in the fixed orifices and connect fixedly.
The utility model discloses further set up to: the intake guide cowl is made of a metal material.
Through above-mentioned technical scheme, set up the guide cover that admits air and make by metal material to make the intensity of the guide cover that admits air higher, life extension, thereby make the guide cover that admits air need not often change, reduce maintenance personal's work load.
The utility model discloses further set up to: the air intake guide cover is made of stainless steel material.
Through above-mentioned technical scheme, the guide cover that sets up to admit air is made by stainless steel material to make the guide cover that admits air be difficult for corruption, corrosion damage, and then let the life of the guide cover that admits air longer, the people of being convenient for use, reduce maintenance work volume.
The utility model discloses further set up to: the mounting bracket comprises a bottom plate, a top plate and side plates connected with the bottom plate and the top plate, a first mounting opening is formed in the bottom plate, a guide opening of the air inlet guide cover is fixed in the first mounting opening through a connecting portion, a second mounting opening is formed in the top plate, and the top plate is fixed on the driving piece through the second mounting opening.
Through above-mentioned technical scheme, set up the mounting bracket and comprise bottom plate, roof and curb plate triplex, fixed with fan wheel's top and roof, fix the guide mouth of guide cover admits air on the bottom plate to hang in midair with fan wheel and install on the bottom plate, make between fan wheel's the air inlet and the guide cover admits air and be clearance fit setting.
the utility model discloses further set up to: the top surface of the bottom plate is provided with an annular groove, the connecting part is arranged in the annular groove, and the outer edge of the connecting part is abutted to the groove of the annular groove.
Through the technical scheme, the annular groove used for presetting the connecting part is formed in the top surface of the bottom plate, and when the air inlet guide cover is installed on the bottom plate, the connecting part of the guide opening is installed in the annular groove, so that the air inlet guide cover is more stable to install on the bottom plate. Meanwhile, due to the preset annular groove, the coaxiality between the air inlet guide cover and the fan impeller is better
The utility model discloses further set up to: the side plate and the top plate are integrally formed, and the side plate and the bottom plate are fixed through bolts.
Through above-mentioned technical scheme, set up bolt fastening between curb plate and the bottom plate to reach and to dismantle fixed effect, the convenience is changed with the dismantlement and the maintenance between curb plate and the roof.
The utility model discloses further set up to: the edges of the bottom plate, the top plate and the side plates are all provided with bending plates.
Through above-mentioned technical scheme, the edge that sets up the bottom plate, roof and the curb plate of mounting bracket all is provided with the board of bending to can strengthen the shock resistance of bottom plate, roof and curb plate edge, prevent that bottom plate, roof and curb plate from warping and damaging in the edge, prolong the life of mounting bracket.
To sum up, the utility model discloses following beneficial effect has:
(1) The air inlet guide cover is arranged at the air inlet, so that air is introduced through a larger air inlet when the fan impeller rotates, and the aim of enhancing the air inlet amount of the fan impeller is fulfilled; the air inlet guide cover is in clearance fit with the air inlet, so that the rotation of the impeller body is not influenced;
(2) The annular groove is formed in the bottom plate, and the mounting position of the air inlet guide cover is preset, so that the coaxiality between the air inlet guide cover and the fan impeller is higher, the fan impeller is prevented from colliding with the air inlet guide cover during rotation, and abnormal sound and noise are generated;
(3) All adopt the bolt fastening through setting up between bottom plate, roof and the curb plate for the overall structure of mounting bracket is easily installed and is easily maintained and dismantle.
Drawings
Fig. 1 is a schematic view of the overall structure of an impeller body.
fig. 2 is a schematic overall structure diagram of the fan impeller.
Fig. 3 is an exploded view of a fan wheel.
fig. 4 is an enlarged view at a in fig. 3.
Reference numerals: 1. an impeller body; 3. an air inlet; 4. an intake guide cover; 41. a connecting port; 411. a bending part; 42. a guide port; 421. a connecting portion; 422. a fixing hole; 5. a mounting frame; 6. a base plate; 61. a first mounting port; 62. an annular groove; 7. a top plate; 71. a second mounting opening; 8. a side plate; 9. and (7) bending the plate.
Detailed Description
the present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
A fan impeller is a wind wheel which can axially intake air and radially output air, and can utilize centrifugal force to do work to improve pressure of air. As can be seen from fig. 1, the impeller comprises an impeller body 1, the impeller body 1 is provided with an air inlet 3 along the axial direction of the impeller body 1, when the impeller body 1 is installed inside a fan for use, the impeller body 1 enters air from the air inlet 3 and exits air from gaps between radial blades of the impeller body 1, so that the impeller body works normally.
As can be known from fig. 1 and 2, an air inlet guide hood 4 is disposed at the air inlet 3, the air inlet guide hood 4 is installed at the bottom end of the air inlet 3 by being provided with an installation frame 5, and the air inlet guide hood 4 and the air inlet 3 are in clearance fit. Specifically, as can be seen from fig. 2 and 3, the mounting bracket 5 includes a bottom plate 6, a top plate 7 and side plates 8, the bottom plate 6 and the top plate 7 are connected through the side plates 8, the side plates 8 and the top plate 7 are integrally formed, and the side plates 8 and the bottom plate 6 are fixed by bolts. The bottom plate 6 is provided with a first mounting hole 61, the guide hole 42 of the air inlet guide cover 4 is fixed in the first mounting hole 61 through a connecting part 421, the top plate 7 is provided with a second mounting hole 71, and the top plate 7 is fixed on the driving part 2 through the second mounting hole 71.
Wherein, seted up annular groove 62 on the top surface of bottom plate 6, connecting portion 421 are arranged in annular groove 62, and the outward flange of connecting portion 421 and the groove butt of annular groove 62 to increase the axiality between guide cover 4 and the impeller body 1 that admits air, make the installation accuracy better.
In addition, all be equipped with the board 9 of bending in the edge of bottom plate 6, roof 7 and curb plate 8 to can strengthen the shock resistance in bottom plate 6, roof 7 and 8 edges of curb plate, prevent that bottom plate 6, roof 7 and curb plate 8 from warping and damaging in the edge, prolong mounting bracket 5's life.
As can be seen from fig. 3 and 4, in order to make the air intake guide cover 4 have a better air intake effect and improve the air intake amount of the guide cover, one side of the air intake guide cover 4 close to the air inlet 3 is provided as a connection port 41, one side of the air intake guide cover 4 far from the air inlet 3 is provided as a guide port 42, the caliber of the guide port 42 is larger than that of the connection port 41, and a curved surface shape protruding towards the center direction of the guide port 42 is formed between the connection port 41 and the guide port 42.
Meanwhile, in order to facilitate the installation of the air intake guide cover 4, a connecting portion 421 is arranged at the edge of the guide opening 42, the surface of the connecting portion 421 is a plane, and a plurality of fixing holes 422 are uniformly formed in the connecting portion 421 along the circumference where the connecting portion is located. Meanwhile, the intake guide cover 4 is made of a metal material, the intake guide cover 4 is made of a stainless material, and a bent portion 411 is provided at an edge of the connection port 41.
it is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A fan impeller comprises an impeller body (1), wherein the impeller body (1) is provided with an air inlet (3) along the axial direction, and is characterized in that,
An air inlet guide cover (4) is arranged at the air inlet (3), the air inlet guide cover (4) is installed on the air inlet (3) through an installation frame (5), and the air inlet guide cover (4) is in clearance fit with the air inlet (3);
One side that guide cover (4) admits air is close to air inlet (3) is connector (41), one side that guide cover (4) that admits air kept away from air inlet (3) is guide mouth (42), the bore of guide mouth (42) is greater than the bore of connector (41), and is the convex curved surface shape to guide mouth (42) centre of a circle direction between connector (41) and guide mouth (42).
2. Fan wheel according to claim 1, characterised in that the connection opening (41) is provided with a bend (411) at its edge.
3. The fan impeller according to claim 1, wherein a connecting portion (421) is provided at an edge of the guide opening (42), a surface of the connecting portion (421) is a plane, and a plurality of fixing holes (422) are uniformly provided along a circumference where the connecting portion (421) is located.
4. A fan wheel according to claim 1, characterised in that the inlet guide hood (4) is made of a metal material.
5. Fan impeller according to claim 4, characterised in that the inlet guide housing (4) is made of stainless steel material.
6. the fan impeller according to claim 3, wherein the mounting frame (5) comprises a bottom plate (6), a top plate (7) and a side plate (8) connecting the bottom plate (6) and the top plate (7), the bottom plate (6) is provided with a first mounting opening (61), the guide opening (42) of the air inlet guide cover (4) is fixed in the first mounting opening (61) through a connecting part (421), the top plate (7) is provided with a second mounting opening (71), and the top plate (7) is fixed on the driving part (2) through the second mounting opening (71).
7. The fan impeller according to claim 6, wherein the bottom plate (6) has an annular groove (62) formed on the top surface thereof, the connecting portion (421) is disposed in the annular groove (62), and the outer edge of the connecting portion (421) abuts against the groove of the annular groove (62).
8. Fan impeller according to claim 6, characterised in that the side plates (8) and the top plate (7) are formed in one piece, the side plates (8) and the bottom plate (6) being bolted together.
9. The fan impeller according to claim 6, characterized in that the edges of the bottom plate (6), the top plate (7) and the side plates (8) are provided with bent plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148100.7U CN209800355U (en) | 2019-01-28 | 2019-01-28 | Fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148100.7U CN209800355U (en) | 2019-01-28 | 2019-01-28 | Fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800355U true CN209800355U (en) | 2019-12-17 |
Family
ID=68821286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920148100.7U Active CN209800355U (en) | 2019-01-28 | 2019-01-28 | Fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800355U (en) |
-
2019
- 2019-01-28 CN CN201920148100.7U patent/CN209800355U/en active Active
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