CN117267172A - Golf spherical effect noise-reducing synergistic axial flow fan blade - Google Patents
Golf spherical effect noise-reducing synergistic axial flow fan blade Download PDFInfo
- Publication number
- CN117267172A CN117267172A CN202311470213.6A CN202311470213A CN117267172A CN 117267172 A CN117267172 A CN 117267172A CN 202311470213 A CN202311470213 A CN 202311470213A CN 117267172 A CN117267172 A CN 117267172A
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- Prior art keywords
- blade
- fixedly connected
- guide
- fan blade
- axial flow
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- Pending
Links
- 230000000694 effects Effects 0.000 title claims abstract description 28
- 230000002195 synergetic effect Effects 0.000 title claims description 11
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 244000309464 bull Species 0.000 claims abstract description 7
- 230000000670 limiting effect Effects 0.000 claims description 24
- 229920000742 Cotton Polymers 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to the technical field of axial flow fans, in particular to a golf spherical effect noise-reducing and synergy axial flow fan blade. The existing axial flow fan blade is difficult to rotate correspondingly according to the change of the wind direction, so that the blown-out airflow is unstable. The technical implementation scheme of the invention is as follows: the utility model provides a golf spherical effect noise reduction efficiency axial fan blade, includes the installation plate, and installation plate circumference evenly rotates formula be connected with the bull stick, fixedly connected with blade on the bull stick, and evenly open at blade top has the wind-guiding groove that is used for the noise reduction, fixedly connected with leading truck in the blade, sliding connection has first slider on the leading truck, and first slider outside rotation is connected with the pendulum rod. According to the invention, the rotating speed of the blade is too high, the rotating rod adaptively rotates, and the first sliding block drives the expansion plate to move outwards through the swinging rod, so that the contact area between the blade and the air flow is enlarged, meanwhile, the hemispherical air guide groove is contacted with the air flow, the pushed air flow is more stable, and the noise is reduced.
Description
Technical Field
The invention relates to the technical field of axial flow fans, in particular to a golf spherical effect noise-reducing and synergy axial flow fan blade.
Background
An axial flow fan is a device for generating air flow, and mainly drives air to generate wind by controlling rotation of blades so as to achieve the effects of heat dissipation and ventilation.
The existing axial flow fan is generally composed of a motor, an impeller and blades, the blades are fixedly arranged on the impeller, when people start the axial flow fan in an unstable working condition area of wind power, the flow direction of the wind in the working condition area can change, the fixedly arranged blades are difficult to rotate correspondingly according to the change of the wind direction, the generated air flow is unstable when the blades rotate, and therefore the fan body is damaged, and the use requirements of people are difficult to achieve.
We have designed a kind of golf spherical effect noise-reducing and synergy axial flow fan blade.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a golf spherical effect noise-reducing and synergy axial flow fan blade. The axial flow fan blade overcomes the defect that the blown air flow is unstable due to the fact that the existing axial flow fan blade is difficult to rotate correspondingly according to the change of the wind direction.
In order to achieve the above object, the present invention is realized by the following scheme: the utility model provides a golf spherical effect noise reduction synergy axial fan blade, including the installation plate, the even rotation type in installation plate circumference is connected with the bull stick, fixedly connected with blade on the bull stick, evenly open at blade top has the wind-guiding groove that is used for the noise reduction, fixedly connected with leading truck in the blade, sliding connection has first slider on the leading truck, equal fixedly connected with first extension spring between leading truck and the adjacent first slider, first extension spring winds on the leading truck, first slider outside rotation type is connected with the pendulum rod, both sides all sliding connection have first guide rail in the blade, fixedly connected with is used for enlarging the expansion board with air current area of contact between the first guide rail on the same vertical line, the pendulum rod is connected with the expansion board rotation of homonymy.
As an improvement of the scheme, the air guide groove is hemispherical and is used for stabilizing air flow and reducing noise.
As the improvement of above-mentioned scheme, still including first flexible subassembly, the even fixedly connected with of installation plate internal circumference is first flexible subassembly, fixedly connected with second slider between the first flexible subassembly, the second slider passes through guide block slidingtype connection with the installation plate, evenly is connected with the first stopper that is used for pressing from both sides tight bull stick through guide arm slidingtype connection in the installation plate, first stopper is the upper and lower symmetry setting, and the second slider outside is connected with the connecting rod, and the connecting rod is connected with the first stopper rotation of homonymy.
As the improvement of above-mentioned scheme, still including the guide bar, fixedly connected with guide bar on the extension board, sliding connection has first slide bar on the guide bar, fixedly connected with first fixture block between the first slide bar on the same guide bar, fixedly connected with shell fragment between guide bar and the first fixture block of homonymy, sliding connection has the second slide bar in the blade, the aviation baffle that is used for guiding the air current is fixedly connected with in the second slide bar outside, the inboard fixedly connected with second guide rail of aviation baffle, second guide rail is connected with the blade slidingtype, it has the draw-in groove to open on the second guide rail, fixedly connected with second extension spring between blade and the second slide bar that slides above that, the second extension spring winds on the second slide bar.
As an improvement of the scheme, the top of the air deflector is provided with an arc-shaped groove for enlarging the area for guiding air flow.
As an improvement of the scheme, the elastic sheet is arranged in a V shape and is used for driving the first clamping block to move to clamp the air deflector.
As the improvement of above-mentioned scheme, still including the guide block, the blade bottom swivelling joint has the guide block that is used for stabilizing the air current flow direction, and the even fixedly connected with second stopper in blade bottom.
As the improvement of above-mentioned scheme, still including the division board, sliding connection has the division board that is used for closed wind-guiding groove on the blade, the division board remove the back with the wind-guiding groove coincidence, rotationally be connected with the flexible subassembly of second on the blade, fixedly connected with second fixture block on the flexible subassembly of second, be connected with the stay cord between the division board of second fixture block and homonymy, the division board is opened at the blade top has the spacing groove.
As an improvement of the scheme, through holes are uniformly formed in the opening plate and are used for overlapping the air guide grooves to reduce noise.
As the improvement of above-mentioned scheme, still including inhaling the sound cotton, install the sound cotton that is used for the noise reduction outside the installation plate.
The invention has the advantages that: 1. according to the invention, the rotating speed of the blade is too high, the rotating rod adaptively rotates, and the first sliding block drives the expansion plate to move outwards through the swinging rod, so that the contact area between the blade and the air flow is enlarged, meanwhile, the hemispherical air guide groove is contacted with the air flow, the pushed air flow is more stable, and the noise is reduced;
2. the rotation speed of the mounting plate is increased, the second sliding block drives the first limiting block to move inwards through the connecting rod to clamp the rotating rod, so that the rotating rod is limited to rotate, and the phenomenon that the pushed air flow is unstable due to random rotation of the rotating rod is avoided;
3. the air deflector is driven to rotate through the rotation of the blades, so that the air deflector is adaptive to move outwards, and when the air flow contacts with the rotating air deflector, the air deflector guides the air flow, so that the guiding effect is realized, and the stable effect is enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the wind guiding groove, swing rod, expansion board and other components of the invention;
FIG. 3 is a schematic perspective view of the expansion board and the first guide rail of the present invention;
FIG. 4 is a cross-sectional view of the mounting plate of the present invention;
FIG. 5 is a schematic perspective view of the first telescoping assembly and first stop block of the present invention;
FIG. 6 is a schematic perspective view of the connecting rod and the first limiting block;
FIG. 7 is a cross-sectional view of a blade of the present invention;
FIG. 8 is a schematic perspective view of the guide bar, air deflector, second slide bar, etc. of the present invention;
FIG. 9 is a schematic perspective view of the guide block and the second stopper;
FIG. 10 is a schematic view of a partial perspective view of a vane, guide block and second stop block of the present invention;
FIG. 11 is a schematic perspective view of an opening plate and a second latch according to the present invention;
FIG. 12 is a schematic perspective view of the opening plate, the second latch and the pull cord according to the present invention;
FIG. 13 is a schematic perspective view of a sound absorbing cotton and mounting plate of the present invention;
fig. 14 is a schematic perspective view of the sound-absorbing cotton of the present invention.
Wherein the above figures include the following reference numerals: 1. the device comprises a mounting plate, 2, a rotating rod, 21, a blade, 3, an air guide groove, 4, a guide frame, 41, a first sliding block, 42, a first tension spring, 43, a swinging rod, 44, an expansion plate, 45, a first guide rail, 5, a first telescopic component, 51, a second sliding block, 52, a connecting rod, 53, a first limiting block, 6, a guide rod, 61, a spring piece, 62, a first sliding rod, 63, a first clamping block, 64, a second guide rail, 65, an air guide plate, 66, a second sliding rod, 67, a second tension spring, 68, a clamping groove, 7, a guide block, 71, a second limiting block, 8, an opening plate, 81, a second telescopic component, 82, a second clamping block, 83, a pull rope, 84, a limiting groove, 9 and sound absorbing cotton.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
example 1
Referring to fig. 1-3, the golf ball effect noise reduction synergy axial flow fan blade comprises a mounting plate 1, seven rotating rods 2 are uniformly connected to the periphery of the mounting plate 1 in a rotating manner, the rotating rods 2 are welded with the blades 21, seven blades 21 are uniformly provided with air guide grooves 3 for stabilizing air flow and reducing noise, the air guide grooves 3 are hemispherical, two groups of guide frames 4 are welded at the inner bottoms of the blades 21, each two guide frames 4 are one group, a first sliding block 41 is connected onto each guide frame 4 in a sliding manner, a first tension spring 42 is connected between each guide frame 4 and the first sliding block 41 sliding on each guide frame through a hook, the first tension spring 42 is wound on each guide frame 4, a swinging rod 43 is connected to the outer side of each first sliding block 41 in a rotating manner, two sides of each blade 21 are connected with three first guide rails 45 in a sliding manner, an expansion plate 44 is welded between the three first guide rails 45 on the same vertical line, and the swinging rods 43 are connected with the expansion plates 44 on the same side in a rotating manner.
When people need to install the blade 21 on the axial fan, people can use the golf ball effect to reduce noise and increase the efficiency of the axial fan blade, firstly people install the installation plate 1 on the axial fan, and start the axial fan, so that the installation plate 1 and the rotating rod 2 rotate, and accordingly the blade 21 rotates, and meanwhile, in the process of rotating the installation plate 1, the rotating rod 2 rotates along with the wind direction, so that the blade 21 moves, in the process of moving, the first sliding block 41 moves outwards along the guide frame 4, the first tension spring 42 is compressed, the swinging rod 43 rotates, the expansion plate 44 and the first guide rail 45 move outwards, the guide area of the blade 21 to the air flow is enlarged, the air flow is larger, meanwhile, in the process of rotating the blade 21, the air flow contacts with the air guide groove 3, because the air guide groove 3 is hemispherical, the air flow flows on the air guide groove 3 more smoothly, turbulence and noise are reduced, when the ventilation is not needed, people close the axial fan, the installation plate 1, the rotating rod 2 and the blade 21 stops rotating, and then the first tension spring 42 resets to move inwards, the first sliding block 41 moves outwards, the expansion plate 44 moves inwards, the golf ball effect is well, and the golf ball effect is reduced, and the fan is placed outwards, and the expansion plate is well, and the golf ball effect is moved outwards, and the expansion plate is well, and the effect is placed.
Example 2
On the basis of embodiment 1, referring to fig. 4-6, the device further comprises first telescopic components 5, seven groups of first telescopic components 5 are uniformly and fixedly connected to the inner wall circumference of the installation plate 1, each two groups of first telescopic components 5 are formed by telescopic rods and springs, seven groups of telescopic rods are uniformly and fixedly connected to the inner wall circumference of the installation plate 1, second sliding blocks 51 are welded between each group of telescopic rods, seven second sliding blocks 51 are connected with the installation plate 1 in a sliding mode through guide blocks, springs are connected between the telescopic rods and the second sliding blocks 51, the springs are wound on the telescopic rods, seven groups of first limiting blocks 53 are uniformly and fixedly connected to the inner upper portion of the installation plate 1 through guide rods in a sliding mode, each two groups of first limiting blocks 53 are vertically symmetrically arranged, the first limiting blocks 53 are in contact with a rotating rod 2 after moving, two groups of connecting rods 52 are rotatably connected to the outer side of the second sliding blocks 51, each two connecting rods 52 are in a group, and the connecting rods 52 are rotatably connected with the first limiting blocks 53 on the same side.
Referring to fig. 7 and 8, the air guide device further comprises a guide rod 6, the inner side of the expansion plate 44 is fixedly connected with the guide rod 6, two first sliding rods 62 are connected to the guide rod 6 in a sliding mode, first clamping blocks 63 are welded between the two first sliding rods 62 on the same guide rod 6, two elastic pieces 61 are welded between the guide rod 6 and the first clamping blocks 63 on the same side, the elastic pieces 61 are arranged in a V-shaped mode, second sliding rods 66 are connected to the inner side of the blade 21 in a sliding mode, an air deflector 65 is welded to the outer side of the second sliding rods 66, an arc-shaped groove for expanding the air guide area is formed in the top of the air deflector 65, two second guide rails 64 are welded to the inner side of the air deflector 65, the second guide rails 64 are connected with the blade 21 in a sliding mode, clamping grooves 68 are formed in the second guide rails 64, second tension springs 67 are connected between the blade 21 and the second sliding rods 66 sliding on the second guide rails through hooks, and the second tension springs 67 are wound on the second sliding rods 66.
Referring to fig. 9 and 10, the device further comprises a guide block 7, three guide blocks 7 are rotatably connected to the bottom of the blade 21, three groups of second limiting blocks 71 are uniformly welded to the bottom of the blade 21, each four second limiting blocks 71 are a group, and the guide blocks 7 are contacted with the second limiting blocks 71 after rotating.
Referring to fig. 1, 11 and 12, the sliding type wind-guiding device further comprises an opening and closing plate 8, the sliding type wind-guiding device is provided with seven opening and closing plates 8 on the blade 21, through holes are evenly formed in the opening and closing plate 8, the through holes are overlapped with the wind-guiding groove 3 after moving, two second telescopic components 81 are rotatably connected on the blade 21, the second telescopic components 81 are composed of telescopic rods and springs, the two telescopic rods are rotatably connected on the blade 21, a second clamping block 82 is fixedly connected on the telescopic rods, the fourteen second clamping blocks 82 are connected with springs between the telescopic rods and the second clamping blocks 82, the springs are wound on the telescopic rods, pull ropes 83 are connected between the second clamping blocks 82 and the opening and closing plates 8 on the same side, the fourteen pull ropes 83 are arranged, two limiting grooves 84 are formed in the inner side of the upper portion of the blade 21, and the fourteen limiting grooves 84 are formed.
Referring now to fig. 13 and 14, the installation plate 1 further comprises sound absorbing cotton 9, and the sound absorbing cotton 9 is installed on the outer side of the installation plate 1.
When the rotation speed of the installation plate 1 is faster, the second sliding block 51 moves outwards, so that the first telescopic component 5 is compressed, the connecting rod 52 rotates, the first limiting block 53 moves inwards, when the first limiting block 53 moves inwards to be in contact with the rotating rod 2, the first limiting block 53 limits the rotating rod 2, the limiting effect is achieved, excessive rotation of the rotating rod 2 is avoided, when the rotation speed of the installation plate 1 is slower, the first telescopic component 5 resets to drive the second sliding block 51 to move inwards, the connecting rod 52 reversely rotates to pull the first limiting block 53 to move outwards to be far away from the rotating rod 2, and the rotating rod 2 rotates according to the steps.
The elastic coefficient of the first tension spring 42 is smaller than that of the second tension spring 67, the blades 21 rotate to drive the air deflector 65 to rotate, the expansion plate 44 moves outwards to drive the guide rod 6 to move outwards, the first clamping block 63 is clamped by the second guide rail 64, the elastic sheet 61 is deformed, when the rotating speed of the blades 21 is too high, the air deflector 65 moves outwards adaptively in the rotating process, the second sliding rod 66 moves outwards, the second guide rail 64 moves outwards, the second tension spring 67 is compressed, when the clamping groove 68 is in contact with the first clamping block 63, the elastic sheet 61 resets to drive the first clamping block 63 to move outwards to clamp into the clamping groove 68, the second sliding rod 66 moves outwards, so that the contact area with air flow is enlarged, the rotating air deflector 65 guides the air flow, the expansion plate 44 moves inwards to drive the guide rod 6 to move inwards, the elastic sheet 61, the first sliding rod 63 and the first sliding rod 62 move inwards, and when the rotating speed of the blades 21 is low, the second tension spring 67 resets to drive the second sliding rod 66 to move inwards, and the air deflector 65 and the second guide rail 64 move inwards.
In the process of rotating the blades 21, the guide block 7 rotates adaptively according to the flow direction of the air flow, and when the guide block 7 rotates to be in contact with the second limiting block 71, the guide block 7 stops rotating, thereby realizing the guiding effect.
After people install installation plate 1 on axial fan, people manually move up second fixture block 82 for second telescopic assembly 81 is stretched, after second fixture block 82 upwards moves to suitable height, people manually move opening plate 8 to the outside, thereby make stay cord 83 pulling second fixture block 82 rotate, make second telescopic assembly 81 rotate, after opening plate 8 coincides with wind guiding groove 3, second fixture block 82 contacts with spacing groove 84 on blade 21, second telescopic assembly 81 resets and drives second fixture block 82 to move down, second fixture block 82 that moves to in spacing groove 84 blocks opening plate 8, after people need block up wind guiding groove 3, people upwards move second fixture block 82 according to above-mentioned step after, make stay cord 83 pull opening plate 8 inwards move, the through-hole moves away from wind guiding groove 3, opening plate 8 blocks up wind guiding groove 3, after second fixture block 82 reversely rotates to initial position, second fixture block 82 moves down and resets.
When people need to absorb noise, people will inhale the sound cotton 9 cover in the installation plate 1 outside, at installation plate 1 pivoted in-process, inhale the sound cotton 9 noise absorption, avoid the noise too big to arouse people's discomfort, when not needing noise absorption, people will inhale the sound cotton 9 and pull down from the installation plate 1 outside can.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a golf spherical effect noise reduction synergy axial fan blade, a serial communication port, including installation plate (1), installation plate (1) circumference evenly rotates and is connected with bull stick (2), fixedly connected with blade (21) on bull stick (2), evenly open at blade (21) top has wind guiding groove (3) that are used for the noise reduction, fixedly connected with leading truck (4) in blade (21), sliding connection has first slider (41) on leading truck (4), all fixedly connected with first extension spring (42) between leading truck (4) and adjacent first slider (41), first extension spring (42) wind on leading truck (4), first slider (41) outside rotation is connected with pendulum rod (43), both sides all sliding connection have first guide rail (45) in blade (21), fixedly connected with is used for expanding expansion board (44) with air current area between first guide rail (45) on the same vertical line, pendulum rod (43) is connected with expansion board (44) rotation of homonymy.
2. A golf ball effect noise-reducing synergistic axial flow fan blade according to claim 1, the air guide groove (3) is hemispherical for stabilizing air flow and reducing noise.
3. The golf ball effect noise-reducing synergistic axial flow fan blade is characterized by further comprising first telescopic components (5), wherein the first telescopic components (5) are uniformly and fixedly connected to the inner circumference of the installation plate block (1), second sliding blocks (51) are fixedly connected between the first telescopic components (5), the second sliding blocks (51) are slidably connected with the installation plate block (1) through guide blocks, first limiting blocks (53) used for clamping a rotating rod (2) are uniformly and longitudinally symmetrically arranged in the installation plate block (1) through guide rods, connecting rods (52) are rotatably connected to the outer sides of the second sliding blocks (51), and the connecting rods (52) are rotatably connected with the first limiting blocks (53) on the same side.
4. A golf ball effect noise reduction synergistic axial flow fan blade according to claim 3, further comprising a guide rod (6), wherein the guide rod (6) is fixedly connected to the expansion plate (44), the first slide rod (62) is slidingly connected to the guide rod (6), the first clamping block (63) is fixedly connected between the first slide rod (62) on the same guide rod (6), the elastic sheet (61) is fixedly connected between the guide rod (6) and the first clamping block (63) on the same side, the second slide rod (66) is slidingly connected to the blade (21), the air deflector (65) for guiding air flow is fixedly connected to the outer side of the second slide rod (66), the second guide rail (64) is slidingly connected to the blade (21), the clamping groove (68) is formed in the second guide rail (64), the second tension spring (67) is fixedly connected between the blade (21) and the second slide rod (66) which slides on the second guide rail (64), and the second tension spring (67) is wound on the second slide rod (66).
5. A golf ball effect noise-reducing synergistic axial flow fan blade as claimed in claim 4, wherein the top of the air deflector (65) is provided with an arc-shaped groove for enlarging the area of the guided air flow.
6. The golf ball effect noise-reducing synergistic axial flow fan blade according to claim 4, wherein the elastic sheet (61) is arranged in a V shape and is used for driving the first clamping block (63) to move so as to clamp the air deflector (65).
7. The golf ball effect noise-reducing synergistic axial flow fan blade according to claim 4, further comprising a guide block (7), wherein the bottom of the blade (21) is rotatably connected with the guide block (7) for stabilizing the flow direction of the air flow, and the bottom of the blade (21) is uniformly and fixedly connected with a second limiting block (71).
8. The golf ball effect noise-reducing synergistic axial flow fan blade according to claim 7 is characterized by further comprising an opening and closing plate (8), wherein the opening and closing plate (8) for closing the air guide groove (3) is connected to the blade (21) in a sliding mode, the opening and closing plate (8) is overlapped with the air guide groove (3) after moving, a second telescopic component (81) is connected to the blade (21) in a rotating mode, a second clamping block (82) is fixedly connected to the second telescopic component (81), a pull rope (83) is connected between the second clamping block (82) and the opening and closing plate (8) on the same side, and a limiting groove (84) is formed in the top of the blade (21).
9. The golf ball effect noise-reducing synergistic axial flow fan blade according to claim 8, wherein the opening and closing plate (8) is uniformly provided with through holes for superposition with the air guide groove (3) and noise reduction.
10. The golf ball effect noise-reducing synergistic axial flow fan blade as claimed in claim 8, further comprising sound-absorbing cotton (9), wherein the sound-absorbing cotton (9) for reducing noise is arranged on the outer side of the installation plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311470213.6A CN117267172A (en) | 2023-11-07 | 2023-11-07 | Golf spherical effect noise-reducing synergistic axial flow fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311470213.6A CN117267172A (en) | 2023-11-07 | 2023-11-07 | Golf spherical effect noise-reducing synergistic axial flow fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117267172A true CN117267172A (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311470213.6A Pending CN117267172A (en) | 2023-11-07 | 2023-11-07 | Golf spherical effect noise-reducing synergistic axial flow fan blade |
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| Country | Link |
|---|---|
| CN (1) | CN117267172A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3739871C1 (en) * | 1987-11-25 | 1988-06-23 | Loh Kg Ritto Werk | Fan |
| US20030123973A1 (en) * | 1999-11-11 | 2003-07-03 | Mitsunori Murakami | Propeller type windmill for power generation |
| CN1710290A (en) * | 2005-07-12 | 2005-12-21 | 吉林大学 | Low noise fan blade |
| CN1896549A (en) * | 2005-07-12 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Spiral fan |
| KR20090029037A (en) * | 2007-09-17 | 2009-03-20 | (주)한서정공 | Fan for spraying agricultural chemicals |
| CN103939393A (en) * | 2013-09-26 | 2014-07-23 | 郭圣君 | Ceiling fan with telescopic fan blades |
| CN205047519U (en) * | 2015-09-25 | 2016-02-24 | 宁波朗迪叶轮机械有限公司 | A axial compressor fan blade for on air conditioner |
| CN208138200U (en) * | 2018-05-03 | 2018-11-23 | 新昌县三新空调风机有限公司 | Lightweight low noise axial-flow leaf |
| CN211116716U (en) * | 2019-11-29 | 2020-07-28 | 佛山市南海区飞峡电器有限公司 | Ceiling fan capable of changing fan blade area |
| CN215860971U (en) * | 2021-06-29 | 2022-02-18 | 浙江浩龙风机有限公司 | Axial flow fan impeller capable of running reversely |
-
2023
- 2023-11-07 CN CN202311470213.6A patent/CN117267172A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3739871C1 (en) * | 1987-11-25 | 1988-06-23 | Loh Kg Ritto Werk | Fan |
| US20030123973A1 (en) * | 1999-11-11 | 2003-07-03 | Mitsunori Murakami | Propeller type windmill for power generation |
| CN1710290A (en) * | 2005-07-12 | 2005-12-21 | 吉林大学 | Low noise fan blade |
| CN1896549A (en) * | 2005-07-12 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Spiral fan |
| KR20090029037A (en) * | 2007-09-17 | 2009-03-20 | (주)한서정공 | Fan for spraying agricultural chemicals |
| CN103939393A (en) * | 2013-09-26 | 2014-07-23 | 郭圣君 | Ceiling fan with telescopic fan blades |
| CN205047519U (en) * | 2015-09-25 | 2016-02-24 | 宁波朗迪叶轮机械有限公司 | A axial compressor fan blade for on air conditioner |
| CN208138200U (en) * | 2018-05-03 | 2018-11-23 | 新昌县三新空调风机有限公司 | Lightweight low noise axial-flow leaf |
| CN211116716U (en) * | 2019-11-29 | 2020-07-28 | 佛山市南海区飞峡电器有限公司 | Ceiling fan capable of changing fan blade area |
| CN215860971U (en) * | 2021-06-29 | 2022-02-18 | 浙江浩龙风机有限公司 | Axial flow fan impeller capable of running reversely |
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