CN218439891U - Noise reduction fan blade - Google Patents
Noise reduction fan blade Download PDFInfo
- Publication number
- CN218439891U CN218439891U CN202222085501.7U CN202222085501U CN218439891U CN 218439891 U CN218439891 U CN 218439891U CN 202222085501 U CN202222085501 U CN 202222085501U CN 218439891 U CN218439891 U CN 218439891U
- Authority
- CN
- China
- Prior art keywords
- fan
- post
- fan blade
- wheel hub
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan blade of making an uproar falls. The utility model discloses a fan wheel hub, fan wheel hub lateral wall has been seted up and has been circumference evenly distributed's the slotted hole that connects, and connects the slotted hole and all be equipped with gliding grafting post, the other end fixedly connected with fan blade of grafting post, the bottom of connecting plate is equipped with supporting spring, and supporting spring's the other end and fan wheel hub fixed connection, fan wheel hub rotates on and is connected with the screw thread post, screw thread toe portion fixedly connected with stripper plate, and screw thread toe portion fixedly connected with wheel hub apron, the utility model discloses a set up the first fixed hole that is the even setting of circumference on the grafting post, fixed spacing post is through the fixed grafting post of first fixed hole to make fan blade fixed, thereby the grafting post rotates and makes fan blade rotate, and fan blade rotates the angle that changes the fan, thereby makes fan blade's atress angle diminish, thereby reduces the noise of fan blade.
Description
Technical Field
The utility model relates to a fan technical field of making an uproar falls especially relates to a fan blade of making an uproar falls.
Background
The fan is a device which is driven by electricity to generate air flow, the motor drives the fan blade mounting base to rotate, then the fan blades rotate and generate air flow, the fan blades can form vortex flow in the rotating process, and the vortex flow can flow to the suction surface of the fan blades along the pressure surface of the fan blades, so a large amount of noise can be generated when the fan operates, and noise pollution is generated.
To this end, we have designed a noise reducing fan blade.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of the prior art that the rotating noise of the fan is large, and providing a fan blade of making an uproar falls.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fan blade of making an uproar falls, includes fan wheel hub, fan wheel hub lateral wall sets up the slotted hole that connects that is circumference evenly distributed, and connects all to be equipped with gliding grafting post in the slotted hole, the other end fixedly connected with fan blade of grafting post, the grafting post lateral wall runs through has the first fixed hole that is circumference evenly distributed, and is equipped with gliding fixed spacing post in the first fixed hole, be equipped with the fixed hole of a plurality of seconds in the fan wheel hub, fixed spacing capital portion fixedly connected with connecting plate, the bottom of connecting plate is equipped with supporting spring, and supporting spring's the other end and fan wheel hub fixed connection, the thread groove has been seted up to fan wheel hub top inner wall, fan wheel hub rotates last to be connected with the screw thread post, screw thread capital portion fixedly connected with stripper plate, and screw thread capital portion fixedly connected with wheel hub apron.
Preferably, the fan blade slides in the slot-receiving hole through the plug-in post.
Preferably, the fixed limit column fixes the plug-in column through the first fixing hole.
Preferably, the second fixing hole is matched with the fixing limiting column, and the fixing limiting column slides in the fan hub through the second fixing hole.
Preferably, the threaded groove is adapted to fit inside a threaded post that rotates within the fan hub through the threaded groove.
Preferably, the hub cover opens and closes the fan hub through the threaded post.
The beneficial effects of the utility model are that:
1. the utility model discloses a set up the first fixed hole that is the even setting of circumference on the peg graft post, fixed spacing post is through the fixed peg graft post of first fixed hole to make fan blade fixed, thereby the peg graft post rotates and makes fan blade rotate, and fan blade rotates the angle that changes the fan, thereby makes the atress angle of fan blade diminish, thereby reduces the noise of fan blade.
2. The utility model discloses a be equipped with the stripper plate bottom the screw thread post, rotate through the screw thread post and make stripper plate extrusion connecting plate to make fixed spacing post through the fixed grafting post of first fixed hole and the fixed hole of second, the setting of screw thread post is effectual makes the connecting plate fixed, and the fixed fan blade that makes of connecting plate can not rock.
Drawings
Fig. 1 is a schematic structural view of a noise reduction fan blade according to the present invention;
fig. 2 is a front view of a noise reduction fan blade according to the present invention;
fig. 3 is a schematic partial structural view of a noise reduction fan blade according to the present invention.
In the figure: 1 fan wheel hub, 2 slotted holes, 3 plug posts, 4 fan blades, 5 first fixing holes, 6 second fixing holes, 7 fixing limiting posts, 8 connecting plates, 9 supporting springs, 10 threaded grooves, 11 threaded posts, 12 extrusion plates and 13 wheel hub cover plates.
Detailed Description
Referring to fig. 1-3, a noise reduction fan blade comprises a fan hub 1, wherein the outer side wall of the fan hub 1 is provided with a plurality of circumferentially and uniformly distributed connection slots 2, sliding insertion columns 3 are arranged in the connection slots 2, the fan blade 4 slides in the connection slots 2 through the insertion columns 3, the other end of the insertion column 3 is fixedly connected with the fan blade 4, and the insertion column 3 enables the fan blade 4 to be in sliding connection with the fan hub 1 through the connection slots 2;
the outer side wall of the inserting column 3 penetrates through first fixing holes 5 which are uniformly distributed in the circumferential direction, a sliding fixing limiting column 7 is arranged in the first fixing hole 5, the fixing limiting column 7 fixes the inserting column 3 through the first fixing hole 5, a plurality of second fixing holes 6 are arranged in the fan hub 1, the second fixing holes 6 are matched with the fixing limiting column 7, the fixing limiting column 7 slides in the fan hub 1 through the second fixing holes 6, a connecting plate 8 is fixedly connected to the top of the fixing limiting column 7, a supporting spring 9 is arranged at the bottom of the connecting plate 8, the other end of the supporting spring 9 is fixedly connected with the fan hub 1, the connecting plate 8 is pulled, the fixing limiting column 7 slides out of the first fixing hole 5, the inserting column 3 can rotate due to the sliding of the fixing limiting column 7, the fan blades 4 rotate due to the rotation of the inserting column 3, the inserting column 3 can slide in the connecting groove hole 2, the connecting plate 8 is loosened, and the fixing limiting column 7 is fixed 4 through the first fixing holes 5 and the second fixing holes 6 under the action of the supporting spring 9;
the thread groove has been seted up to 1 top inner wall of fan wheel hub, it is connected with screw thread post 11 to rotate on fan wheel hub 1, adaptation in screw thread groove 10 and the screw thread post 11, screw thread post 11 passes through screw thread groove 10 and rotates in fan wheel hub 1, screw thread post 11 bottom fixedly connected with stripper plate 12, and screw thread post 11 top fixedly connected with wheel hub apron 13, closed fan wheel hub 1 is opened through screw thread post 11 to wheel hub apron 13, fan wheel hub 1 rotates and makes screw thread post 11 and screw thread groove 10 connect, the rotation of screw thread post 11 makes screw thread post 11 remove in fan wheel hub 1, thereby make stripper plate 12 extrusion connecting plate 8, thereby make fixed spliced pole 3 of fixed spacing post 7, thereby closed fan wheel hub 1 of rotation of wheel hub apron 13, thereby the part in the protection fan wheel hub 1.
The utility model discloses the theory of operation as follows: fan blade 4 slides in the slotted hole 2 through the spliced pole 3, the other end fixedly connected with fan blade 4 of spliced pole 3, the spliced pole 3 makes fan blade 4 and fan wheel hub 1 sliding connection through slotted hole 2, pulling connecting plate 8, make fixed spacing post 7 roll-off first fixed hole 5, the slip of fixed spacing post 7 makes the spliced pole 3 rotate, the rotation of spliced pole 3 makes fan blade 4 rotate, thereby make the spliced pole 3 can slide in the slotted hole 2, loosen connecting plate 8, make fixed spacing post 7 through first fixed hole 5 and second fixed hole 6 fixed fan blade 4 under the effect of supporting spring 9, fan wheel hub 1 rotates and makes threaded post 11 and thread groove 10 connect, the rotation of threaded post 11 makes threaded post 11 remove in fan wheel hub 1, thereby make stripper plate 12 extrusion connecting plate 8, thereby make fixed spacing post 7 fix spliced pole 3, the rotation of wheel hub apron 13 thereby closed fan wheel hub 1, thereby the part in the protection fan wheel hub 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a fan blade of making an uproar falls, includes fan wheel hub (1), its characterized in that, fan wheel hub (1) lateral wall is seted up and is circumference evenly distributed connect slotted hole (2), and connects and all be equipped with gliding spliced pole (3) in slotted hole (2), the other end fixedly connected with fan blade (4) of spliced pole (3), spliced pole (3) lateral wall runs through have be circumference evenly distributed's first fixed hole (5), and is equipped with gliding fixed spacing post (7) in first fixed hole (5), be equipped with a plurality of second fixed holes (6) in fan wheel hub (1), fixed spacing post (7) top fixedly connected with connecting plate (8), the bottom of connecting plate (8) is equipped with supporting spring (9), and the other end and fan wheel hub (1) fixed connection of supporting spring (9), the thread groove has been seted up to fan wheel hub (1) top inner wall, it is connected with screw thread post (11) to rotate on fan wheel hub (1), screw thread post (11) bottom fixedly connected with stripper plate (12), and screw thread post (11) top fixedly connected with wheel hub apron (13).
2. A noise reducing fan blade according to claim 1, characterized in that the fan blade (4) slides in the slot receiving hole (2) through the plug-in post (3).
3. A fan blade with noise reduction function as claimed in claim 1, wherein the fixing limiting post (7) fixes the plug-in post (3) through the first fixing hole (5).
4. A fan blade with noise reduction function as claimed in claim 1, wherein the second fixing hole (6) is adapted to a fixing limiting post (7), and the fixing limiting post (7) slides in the fan hub (1) through the second fixing hole (6).
5. A noise reducing fan blade according to claim 1, characterized in that the threaded groove (10) is adapted to the inside of a threaded post (11), and the threaded post (11) rotates in the fan hub (1) through the threaded groove (10).
6. A noise reducing fan blade according to claim 1, characterized in that the hub cover plate (13) opens and closes the fan hub (1) by means of a threaded stud (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222085501.7U CN218439891U (en) | 2022-08-09 | 2022-08-09 | Noise reduction fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222085501.7U CN218439891U (en) | 2022-08-09 | 2022-08-09 | Noise reduction fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218439891U true CN218439891U (en) | 2023-02-03 |
Family
ID=85093590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222085501.7U Active CN218439891U (en) | 2022-08-09 | 2022-08-09 | Noise reduction fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218439891U (en) |
-
2022
- 2022-08-09 CN CN202222085501.7U patent/CN218439891U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205225883U (en) | Centrifugal water pump of area clearance fork | |
| CN218439891U (en) | Noise reduction fan blade | |
| FR2450362A1 (en) | Wind turbine with blade on stand - has flat vane opposite to wind facing side of turbine to achieve correct orientation | |
| CN209145961U (en) | A kind of impeller for domestic hot water's circulating pump | |
| CN211265991U (en) | Energy-saving high-low voltage power distribution cabinet | |
| CN210565128U (en) | High-efficient cast iron mass flow dredge pump entirely | |
| CN213577903U (en) | New fan of wall formula with remove haze function | |
| CN213360505U (en) | Shell structure for installing electric fan head and electric fan | |
| ES2006285A6 (en) | Centrifugal pump. | |
| CN209621646U (en) | A kind of self-priming transh pump | |
| CN214093083U (en) | Novel ditch water valve | |
| CN208463925U (en) | A kind of home life paper towel box for facilitating cutting | |
| CN220302424U (en) | Movable centrifugal pump of making an uproar that falls | |
| CN212536109U (en) | Energy-saving smoke-discharging mixed flow fan | |
| CN218439945U (en) | Special wind-guiding circle of high static pressure fan filter unit | |
| CN212617363U (en) | Air pump for producing nitride metal composite material | |
| CN104088798B (en) | Noise reduction damping centrifugal pump | |
| CN215633808U (en) | Guide vane type mixed flow pump | |
| CN216788790U (en) | Wind wheel of wind curtain machine | |
| CN214763605U (en) | Sewage treatment plant convenient to dismantle filter screen | |
| CN214461019U (en) | Floor drain with adjustable based on building plumbing | |
| CN215980089U (en) | Closed impeller of centrifugal pump | |
| CN218151625U (en) | Integral type centrifugal fan impeller | |
| CN209586806U (en) | A kind of mesh enclosure packet coil structures of fan | |
| CN217633092U (en) | Lightweight low-resistance centrifugal fan impeller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 102, 1st Floor, Building 8, No. 88 Wanli Road, Yuanhe Street, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee after: SUZHOU DFL AIR CONTROL TECHNOLOGY Co.,Ltd. Address before: 215000 1318 Ruyuan Road, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU DFL AIR CONTROL TECHNOLOGY Co.,Ltd. |