CN218894788U - High-strength fan blade for high-efficiency low-noise axial flow fan - Google Patents
High-strength fan blade for high-efficiency low-noise axial flow fan Download PDFInfo
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- CN218894788U CN218894788U CN202221653390.9U CN202221653390U CN218894788U CN 218894788 U CN218894788 U CN 218894788U CN 202221653390 U CN202221653390 U CN 202221653390U CN 218894788 U CN218894788 U CN 218894788U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a high-strength fan blade for a high-efficiency low-noise axial flow fan, which comprises a fan blade, wherein four first arc-shaped fixing blocks which are distributed in an annular equidistant manner are arranged on the outer wall of the fan blade, fan blade arc-shaped mounting seats are arranged on the rear sides of the first arc-shaped fixing blocks, fan blades are arranged on one sides of the fan blade arc-shaped mounting seats, a reinforcing column is arranged in the fan blade, one end of the reinforcing column penetrates through and extends to the inside of the fan blade, a plurality of groups of connecting blocks which are distributed in an equidistant manner are arranged in the fan blade, and vertical connecting columns are arranged between the connecting blocks and the reinforcing column. The high-strength fan blade for the high-efficiency low-noise axial flow fan can strengthen the connection between the fan blade and the reinforcing column through the connecting block, the vertical connecting column and the inclined connecting column, the strength of the fan blade can be greatly improved through the supporting connection of the reinforcing column, and meanwhile, the fan blade can be quickly installed through a small amount of bolts, so that the time required by installation is saved.
Description
Technical Field
The utility model relates to the technical field of fan blades, in particular to a high-strength fan blade for a high-efficiency low-noise axial flow fan.
Background
The high-efficiency low-noise axial flow fan mainly comprises a fan impeller and a shell, wherein 2-5 axial flow fan blades are arranged on the fan impeller, are equipment for generating wind by the high-efficiency low-noise axial flow fan, are one of core components of the high-efficiency low-noise axial flow fan, and the strength of the high-efficiency low-noise axial flow fan is directly related to the service life of the high-efficiency low-noise axial flow fan.
The present chinese patent with application number CN201925230U discloses a fan blade of an axial flow fan, which comprises a blade handle and a blade, wherein the blade comprises an upper side surface and a lower side surface, one end of the blade away from the blade handle is a blade end, a strip-shaped protruding structure is arranged on at least one side surface of the blade and close to the blade end, preferably, strip-shaped protruding structures are arranged on both side surfaces of the blade and close to the blade end, and the shape of the strip-shaped protruding structure is that the middle is wide and the two ends are folded.
The above scheme can reduce turbulence between the end part of the blade and the wind barrel, weaken turbulence at the part, finally improve the working efficiency and service life of the fan, and reduce fan noise, but the length of the fan blade of the axial flow fan is generally longer, but the length of the fan blade of the axial flow fan is too long, so that the problem of instability and buckling can be caused, and the existing requirements are not met.
Disclosure of Invention
The utility model aims to provide a high-strength fan blade for a high-efficiency low-noise axial flow fan, so as to solve the problem that the strength of the fan blade of the axial flow fan is insufficient in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-strength fan blade for a high-efficiency low-noise axial flow fan comprises: the fan comprises a fan wheel, wherein the outer wall of the fan wheel is provided with four first arc-shaped fixing blocks which are distributed in an annular equidistant manner, the rear sides of the first arc-shaped fixing blocks are respectively provided with a fan blade arc-shaped mounting seat, and one side of each fan blade arc-shaped mounting seat is respectively provided with a fan blade;
the fan blade comprises a fan blade body, and is characterized by further comprising a reinforcing column, wherein the reinforcing column is arranged in the fan blade body, one end of the reinforcing column penetrates through and extends to the inside of the fan blade body, a plurality of groups of connecting blocks distributed at equal intervals are arranged in the fan blade body, two connecting blocks are arranged in each group, and vertical connecting columns are arranged between the connecting blocks and the reinforcing column;
still include the second arc fixed block, it sets up the front side of first arc fixed block, the upper and lower end of second arc fixed block rear side has all welded spacing post.
Preferably, the reinforcing column is located the inside one end of impeller and all is provided with reinforcing column arc fixed block, first screw hole has all been seted up to the one end of reinforcing column arc fixed block and the inside one end of impeller that the reinforcing column is located, and first screw hole homogeneous phase intercommunication, the reinforcing column is located the inside one end of fan blade and the one end of fan blade and all has seted up the second screw hole, and the second screw hole is linked together.
Preferably, a third threaded hole is formed in one side of the second arc-shaped fixing block, one side of the first arc-shaped fixing block and one side of the fan blade arc-shaped mounting seat, and the third threaded holes are communicated.
Preferably, the upper end and the lower end of one side of the first arc-shaped fixing block and one side of the fan blade arc-shaped mounting seat are provided with limiting holes, the limiting holes are communicated, and the limiting holes are matched with the limiting columns.
Preferably, a first mounting groove is formed in one side of the first arc-shaped fixing block, the first mounting groove is matched with one end of the second arc-shaped fixing block, a second mounting groove is formed in one side of the fan blade arc-shaped mounting seat, and the second mounting groove is matched with the first arc-shaped fixing block.
Preferably, a plurality of groups of oblique connecting columns which are distributed at equal intervals are arranged between the reinforcing columns and the fan blades, and each group of oblique connecting columns is provided with four.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the reinforcing column is arranged in the fan blade, the first threaded hole is screwed into the first threaded hole through the bolt in the fan blade, the arc-shaped fixing block of the reinforcing column is installed, the reinforcing column is fixed, at the moment, one end of the reinforcing column is contacted with one end of the fan blade, and the bolt is screwed into the second threaded hole at one end of the fan blade contacted with the reinforcing column, so that the fan blade is fixed with the reinforcing column, the strength of the fan blade is improved through the support of the reinforcing column, and the service life of the high-efficiency low-noise axial flow fan is ensured.
2. According to the utility model, the oblique connecting column and the vertical connecting column are arranged between the reinforcing column and the fan blade, the connecting block arranged in the fan blade can support the fan blade, so that the strength of the fan blade is improved, meanwhile, the connecting block is fixedly connected with the vertical connecting column, so that a fixed connection relationship is formed between the connecting block and the reinforcing column, and the oblique connecting column arranged between the reinforcing column and the fan blade is added, so that the connection between the reinforcing column and the fan blade is increased, the strength of the fan blade is further improved, and the service life of the high-efficiency low-noise axial flow fan is prolonged.
3. According to the utility model, the third threaded holes are formed in one sides of the fan blade arc-shaped mounting seat, the first arc-shaped fixing block and the second arc-shaped fixing block, and the fan blade arc-shaped mounting seat, the first arc-shaped fixing block and the second arc-shaped fixing block can be mutually connected by screwing the bolts into the third threaded holes, so that the fan blade can be conveniently mounted by controlling the screwing-in and screwing-out of the bolts in the third threaded holes, and the time wasted by using a plurality of bolts for fixing is saved.
Drawings
Fig. 1 is a front view of the internal structure of the present utility model.
Fig. 2 is a side view of the internal structure of the present utility model.
FIG. 3 is an exploded view of the structure of the fan blade arc-shaped mounting seat of the utility model.
In the figure: 1. a wind impeller; 2. a fan blade; 3. arc-shaped fixing blocks of the reinforcing columns; 4. a reinforcing column; 5. a first threaded hole; 6. a second threaded hole; 7. a connecting block; 8. a vertical connecting column; 9. a diagonal connecting post; 10. an arc-shaped fan blade mounting seat; 11. a first arc-shaped fixing block; 12. a second arc-shaped fixed block; 13. a limit column; 14. a third threaded hole; 15. a limiting hole; 16. a first mounting groove; 17. and a second mounting groove.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a high-strength fan blade for a high-efficiency low-noise axial flow fan comprises: the fan comprises a fan impeller 1, wherein four first arc-shaped fixed blocks 11 which are distributed in an annular equidistant manner are arranged on the outer wall of the fan impeller 1, fan blade arc-shaped mounting seats 10 are arranged on the rear sides of the first arc-shaped fixed blocks 11, and fan blades 2 are arranged on one sides of the fan blade arc-shaped mounting seats 10;
the fan blade cooling device comprises a fan blade 2, and is characterized by further comprising a reinforcing column 4, wherein the reinforcing column 4 is arranged in the fan blade 2, one end of the reinforcing column 4 penetrates through and extends to the inside of the fan blade 1, a plurality of groups of connecting blocks 7 distributed at equal intervals are arranged in the fan blade 2, two groups of connecting blocks 7 are arranged, and vertical connecting columns 8 are arranged between the connecting blocks 7 and the reinforcing column 4;
the device further comprises a second arc-shaped fixed block 12 which is arranged on the front side of the first arc-shaped fixed block 11, and limit posts 13 are welded at the upper end and the lower end of the rear side of the second arc-shaped fixed block 12.
Referring to fig. 1, one end of a reinforcing column 4 located inside a wind impeller 1 is provided with a reinforcing column arc fixing block 3, one end of the reinforcing column arc fixing block 3 and one end of the reinforcing column 4 located inside the wind impeller 1 are provided with a first threaded hole 5, the first threaded holes 5 are communicated, one end of the reinforcing column 4 located inside a fan blade 2 and one end of the fan blade 2 are provided with a second threaded hole 6, the second threaded holes 6 are communicated, the reinforcing column 4 can be firmly fixed through the first threaded hole 5 and the second threaded hole 6, the connection between the fan blade 2 and the wind impeller 1 is lifted through the connection of the reinforcing column 4, and the strength of the fan blade 2 is increased;
referring to fig. 3, a third threaded hole 14 is formed on one side of the second arc-shaped fixing block 12, one side of the first arc-shaped fixing block 11 and one side of the fan blade arc-shaped mounting seat 10, the third threaded holes 14 are communicated, and bolts are screwed into the third threaded holes 14 in the fan blade arc-shaped mounting seat 10, the first arc-shaped fixing block 11 and the second arc-shaped fixing block 12, so that the fixing of the three can be completed, and convenience and rapidness are realized;
referring to fig. 3, the upper and lower ends of one side of the first arc-shaped fixing block 11 and the fan blade arc-shaped mounting seat 10 are respectively provided with a limiting hole 15, the limiting holes 15 are communicated with each other, the limiting holes 15 are matched with the limiting columns 13, and displacement after the first arc-shaped fixing block 11, the fan blade arc-shaped mounting seat 10 and the second arc-shaped fixing block 12 are embedded can be prevented through the matching of the limiting columns 13 and the limiting holes 15;
referring to fig. 3, a first mounting groove 16 is formed on one side of a first arc-shaped fixing block 11, the first mounting groove 16 is matched with one end of a second arc-shaped fixing block 12, a second mounting groove 17 is formed on one side of a fan blade arc-shaped mounting seat 10, the second mounting groove 17 is matched with the first arc-shaped fixing block 11, one end of the second arc-shaped fixing block 12 is embedded into the first mounting groove 16, the first arc-shaped fixing block 11 is embedded into the second mounting groove 17, and connection among the fan blade arc-shaped mounting seat 10, the first arc-shaped fixing block 11 and the second arc-shaped fixing block 12 can be made to be tighter;
referring to fig. 2 and 3, a plurality of groups of oblique connecting columns 9 are arranged between the reinforcing columns 4 and the fan blades 2 at equal intervals, and four oblique connecting columns 9 are arranged in each group, and the oblique connecting columns 9 enable the connection between the reinforcing columns 4 and the fan blades 2 to rise, so that the strength of the fan blades 2 is further improved.
Working principle: during the use, conveniently place the front and back sides at first arc fixed block 11 with fan blade arc mount pad 10 and second arc fixed block 12, pass spacing hole 15 in the first arc fixed block 11 with spacing post 13 in inserting the fan blade arc mount pad 10 in spacing hole 15, this moment in the first mounting groove 16 of one end embedding of second arc fixed block 12, first arc fixed block 11 embedding second mounting groove 17, with screw in fan blade arc mount pad 10, first arc fixed block 11 and the third screw hole 14 in the second arc fixed block 12, can accomplish the fixing between the three, thereby can be convenient install fan blade 2 to fan blade wheel 1 on, practice thrift and use a plurality of bolt fastening and extravagant time, the reinforcing column 4 in the fan blade 2 can run through and extend to the inside of fan blade wheel 1, and contact with reinforcing column arc fixed block 3 each other, through the first screw hole 5 with the bolt fastening reinforcing column 3 in reinforcing column 4 in can make the one end fixed of reinforcing column 4, the second screw hole 6 with the bolt fastening fan blade 2 junction, the high-efficient and the lifting strength of the fan blade 2 is realized, the setting up the lifting strength of the second screw hole 6 in the fan blade 2, the lifting strength of the fan blade 2 is improved, and the lifting strength of the fan blade 2 is further improved, and the connection strength of the fan blade 2 is improved, and the lifting strength of the fan blade 2 is connected with the lifting strength of the fan blade 2, and the lifting strength is further, and the strength is connected with the lifting strength of the connecting column 2, and the strength is 7, and the strength is used, and the strength of the strength is 3, and the strength is fixed, and the strength of the strength is fixed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high-efficient low noise high strength fan blade for axial fan, includes impeller (1), the outer wall of impeller (1) is provided with four first arc fixed blocks (11) that are annular equidistance and distribute, the rear side of first arc fixed block (11) all is provided with fan blade arc mount pad (10), one side of fan blade arc mount pad (10) all is provided with fan blade (2), its characterized in that:
the fan blade cooling device comprises a fan blade (2), and is characterized by further comprising a reinforcing column (4), wherein the reinforcing column is arranged in the fan blade (2), one end of the reinforcing column (4) penetrates through and extends to the inside of the fan blade (1), a plurality of groups of connecting blocks (7) distributed at equal intervals are arranged in the fan blade (2), two connecting blocks (7) are arranged in each group, and vertical connecting columns (8) are arranged between the connecting blocks (7) and the reinforcing column (4);
the novel arc-shaped fixing device is characterized by further comprising a second arc-shaped fixing block (12) which is arranged on the front side of the first arc-shaped fixing block (11), and limiting columns (13) are welded at the upper end and the lower end of the rear side of the second arc-shaped fixing block (12).
2. The high-strength fan blade for a high-efficiency low-noise axial flow fan according to claim 1, wherein: the utility model discloses a fan blade, including fan blade (2), impeller (1) and reinforced column (4), reinforced column arc fixed block (3) are all provided with to inside one end of reinforced column (4), first screw hole (5) have all been seted up to the one end of reinforced column arc fixed block (3) and reinforced column (4) in inside one end of fan blade (1), and first screw hole (5) homogeneous phase intercommunication, second screw hole (6) have all been seted up to the one end that reinforced column (4) is located inside one end of fan blade (2) and the one end of fan blade (2), and second screw hole (6) are linked together.
3. The high-strength fan blade for a high-efficiency low-noise axial flow fan according to claim 1, wherein: third threaded holes (14) are formed in one sides of the second arc-shaped fixing block (12), the first arc-shaped fixing block (11) and the fan blade arc-shaped mounting seat (10), and the third threaded holes (14) are communicated.
4. The high-strength fan blade for a high-efficiency low-noise axial flow fan according to claim 1, wherein: limiting holes (15) are formed in the upper end and the lower end of one side of the first arc-shaped fixing block (11) and one side of the fan blade arc-shaped mounting seat (10), the limiting holes (15) are communicated, and the limiting holes (15) are matched with the limiting columns (13).
5. The high-strength fan blade for a high-efficiency low-noise axial flow fan according to claim 1, wherein: first mounting groove (16) has been seted up to one side of first arc fixed block (11), and the one end looks adaptation of first mounting groove (16) and second arc fixed block (12), second mounting groove (17) has been seted up to one side of fan blade arc mount pad (10), and second mounting groove (17) and first arc fixed block (11) looks adaptation.
6. The high-strength fan blade for a high-efficiency low-noise axial flow fan according to claim 1, wherein: a plurality of groups of oblique connecting columns (9) which are distributed at equal intervals are arranged between the reinforcing columns (4) and the fan blades (2), and each group of oblique connecting columns (9) is provided with four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221653390.9U CN218894788U (en) | 2022-06-30 | 2022-06-30 | High-strength fan blade for high-efficiency low-noise axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221653390.9U CN218894788U (en) | 2022-06-30 | 2022-06-30 | High-strength fan blade for high-efficiency low-noise axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218894788U true CN218894788U (en) | 2023-04-21 |
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ID=86001755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221653390.9U Active CN218894788U (en) | 2022-06-30 | 2022-06-30 | High-strength fan blade for high-efficiency low-noise axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218894788U (en) |
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2022
- 2022-06-30 CN CN202221653390.9U patent/CN218894788U/en active Active
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