CN112576525A - Blade structure of making an uproar falls in drag reduction - Google Patents
Blade structure of making an uproar falls in drag reduction Download PDFInfo
- Publication number
- CN112576525A CN112576525A CN202011403128.4A CN202011403128A CN112576525A CN 112576525 A CN112576525 A CN 112576525A CN 202011403128 A CN202011403128 A CN 202011403128A CN 112576525 A CN112576525 A CN 112576525A
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- China
- Prior art keywords
- blade
- fixedly connected
- fan shell
- mounting disc
- noise
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- 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.)
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
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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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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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
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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
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a blade structure for reducing resistance and noise, and relates to the field of fan blades. This blade structure of making an uproar falls in drag reduction includes fan shell and blade mounting disc, the gasket of making an uproar falls in the positive fixedly connected with rubber of blade mounting disc, the front of blade mounting disc is rotated and is connected with main pivot, the positive fixedly connected with support frame of main pivot, the positive fixedly connected with blade main part of support frame, be equipped with the installation space that corresponds with the blade main part on the fan shell, in the installation space of blade main part activity grafting on the fan shell, the back four corners fixedly connected with square tube seat of fan shell. The rubber noise reduction gasket arranged in the resistance-reducing noise-reducing blade structure is stably clamped between the blade mounting disc and the fan shell, so that the condition that a gap is generated between the blade mounting disc and the fan shell and vibration and noise are generated when the blade main body rotates is greatly reduced.
Description
Technical Field
The invention relates to the technical field of fan blades, in particular to a blade structure for reducing resistance and noise.
Background
The multi-blade centrifugal ventilator is widely applied to air conditioning products, the air conditioning products are closely related to the daily life of people, and the requirements of people on the working and living environments are higher and higher along with the improvement of the living standard, wherein the requirements include the requirements on noise.
When the fan blade of the multi-blade centrifugal fan is installed, bolts are mostly adopted for fixing, the bolt fixing position of the fan is usually loosened after the fan blade is used for a long time in a fixing mode, vibration can be caused to generate sound, noise is increased, and resistance is increased due to the fact that the fan blade of the fan runs when loosened, so that the requirements of users cannot be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a blade structure for reducing drag and noise, which aims to solve the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a blade structure for reducing resistance and noise comprises a fan shell and a blade mounting plate, wherein the front surface of the blade mounting plate is fixedly connected with a rubber noise reduction gasket, the front surface of the blade mounting plate is rotatably connected with a main rotating shaft, the front surface of the main rotating shaft is fixedly connected with a supporting frame, the front surface of the supporting frame is fixedly connected with a blade main body, the fan shell is provided with a mounting space corresponding to the blade main body, the blade main body is movably inserted in the mounting space on the fan shell, the four corners of the back surface of the fan shell are fixedly connected with a square tube base, the back surface of the blade mounting plate is fixedly connected with four groups of fixed columns, the back surface of the fixed columns is fixedly connected with a connecting plate, the front surface of the connecting plate is fixedly connected with an insertion block, the insertion block is movably inserted in a tube cavity of, the upper surface of the insert block is provided with a locking groove.
Preferably, the clamping mechanism comprises fixing rods, the fixing rods are fixedly connected to the upper surface of the square tube seat, the number of the fixing rods is two, square grooves are formed in the upper surface of the square tube seat, the fixing rods are symmetrically distributed on two sides of the square grooves, and the top of each fixing rod is fixedly connected with a fixing plate.
Preferably, the center of the top of the fixing plate is fixedly connected with a nut sleeve, the axis of the nut sleeve is in threaded connection with a screw rod, and the bottom of the screw rod penetrates through the nut sleeve and the fixing plate to extend downwards and is rotatably connected with a lifting sliding plate.
Preferably, the fixing plate is provided with a round hole corresponding to the screw rod, the top of the screw rod is fixedly connected with a rotating handle, the center of the top of the lifting sliding plate is fixedly connected with a bearing, and the bottom of the screw rod is rotatably connected in the bearing.
Preferably, the top of the lifting sliding plate is fixedly connected with two groups of limiting sleeves, the two groups of limiting sleeves are respectively connected onto the two groups of fixing rods in a sliding mode, sliding holes corresponding to the fixing rods are formed in the lifting sliding plate, and the lifting sliding plate is sleeved on the fixing rods through the sliding holes.
Preferably, the bottom of the lifting sliding plate is fixedly connected with a wedge-shaped fixture block, the wedge-shaped fixture block is wedge-shaped, and the bottom of the wedge-shaped fixture block penetrates through the square groove and is movably inserted into the locking groove.
Preferably, the width of the square groove is the same as that of the locking groove, and the length of the square groove is greater than that of the locking groove.
The invention discloses a blade structure for reducing drag and noise, which has the following beneficial effects:
1. the blade structure for reducing resistance and noise is convenient for the position installation of the blade mounting disc and the blade main body when a user uses the blade structure, and after the blade structure is installed, the arranged rubber noise reduction gasket is stably clamped between the blade mounting disc and the fan shell, so that the conditions of generating gaps and generating vibration and noise between the blade mounting disc and the fan shell when the blade main body rotates are greatly reduced, when the wedge-shaped fixture block abuts against the inner wall of the locking groove, the inclined surface of the wedge-shaped fixture block can apply horizontal thrust to the inner wall of the locking groove, so that the insert block transversely pushes the connecting plate and drives the fixed column and the blade mounting disc to extrude the rubber noise reduction gasket, the rubber noise reduction gasket is ensured to be clamped between the fan shell and the blade mounting disc, the installation effect is ensured to be good, the connection at the joint is tight, the looseness can not occur, the stable rotation of the blade main body is ensured, the running resistance thereof can be reduced.
2. This blade structure of making an uproar falls in drag reduction, when carrying out the installation of blade main part fixedly, traditional bolt fastening has been abandoned, but adopt dedicated locking mechanism to fix, the holistic simple structure of locking mechanism, high durability and convenient use, can realize fast that the user installs fixedly to blade main part, and need not instruments such as spanner screwdriver, the blade main part is convenient for the installation fixed also be convenient for later stage and is pulled down, consequently make the user be convenient for regularly pull down blade main part, and the change of the gasket of making an uproar falls in rubber, prevent that rubber from falling the ageing phenomenon that causes the utility to reduce of gasket of making an uproar.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an installation view of the blade mounting plate of the present invention;
FIG. 3 is a block diagram of a blade body of the present invention;
fig. 4 is a structural diagram of the wedge-shaped fixture block of the invention.
In the figure: 1. a fan housing; 2. a square tube seat; 201. a square groove; 3. a blade mounting plate; 301. a rubber noise reduction gasket; 302. a main rotating shaft; 303. a support frame; 304. a blade main body; 4. fixing a column; 5. a connecting plate; 6. inserting a block; 601. a locking groove; 7. fixing the rod; 8. a fixing plate; 9. a nut sleeve; 10. a screw rod; 11. a lifting slide plate; 1101. a bearing; 12. a limiting sleeve; 13. a wedge-shaped fixture block.
Detailed Description
The embodiment of the invention provides a blade structure for reducing drag and noise, which comprises a fan shell 1 and a blade mounting disc 3, wherein the front surface of the blade mounting disc 3 is fixedly connected with a rubber noise reduction gasket 301, the front surface of the blade mounting disc 3 is rotatably connected with a main rotating shaft 302, the front surface of the main rotating shaft 302 is fixedly connected with a supporting frame 303, the front surface of the supporting frame 303 is fixedly connected with a blade main body 304, the fan shell 1 is provided with a mounting space corresponding to the blade main body 304, the blade main body 304 is movably inserted in the mounting space on the fan shell 1, the four corners of the back surface of the fan shell 1 are fixedly connected with a square tube seat 2, the back surface of the blade mounting disc 3 is fixedly connected with four groups of fixed columns 4, the back surface of each fixed column 4 is fixedly connected with a connecting plate 5, the front surface of the connecting plate 5 is fixedly, the square tube seat 2 is provided with a clamping mechanism corresponding to the insert 6, the upper surface of the insert 6 is provided with a locking groove 601, when a user uses the square tube seat, the user can conveniently install the positions of the blade mounting disk 3 and the blade main body 304, and after the installation, the arranged rubber noise reduction gasket 301 is stably clamped between the blade mounting disk 3 and the fan shell 1, so that the condition that a gap is generated between the blade mounting disk 3 and the fan shell 1 when the blade main body 304 rotates and vibration and noise are generated is greatly reduced, when the wedge-shaped fixture block 13 is abutted against the inner wall of the locking groove 601, the inclined plane of the wedge-shaped fixture block 13 can apply horizontal thrust to the inner wall of the locking groove 601, so that the insert 6 transversely pushes the connecting plate 5 and drives the fixed column 4 and the blade mounting disk 3 to extrude the rubber noise reduction gasket 301, and the rubber noise reduction gasket 301 is ensured to be clamped between the fan shell 1 and the, guarantee that the installation is effectual, the junction is connected closely, can not take place to become flexible, guarantees that blade main part 304 can the steady rotation, compares and rotates when blade main part 304 is not flexible, also can reduce its running resistance.
Chucking mechanism includes dead lever 7, 7 fixed connection of dead lever are at the upper surface of square tube seat 2, the quantity of dead lever 7 is two sets of, square groove 201 has been seted up to square tube seat 2's upper surface, 7 symmetric distribution of dead lever are in the both sides of square groove 201, the top fixedly connected with fixed plate 8 of dead lever 7, when carrying out the installation of blade main part 304 fixed, traditional bolt fastening has been abandoned, but adopt dedicated locking mechanism to fix, the holistic simple structure of locking mechanism, high durability and convenient use, can realize fast that the user installs fixedly to blade main part 304, and instrument such as spanner screwdriver need not.
The top center of the fixed plate 8 is fixedly connected with a nut sleeve 9, the axis of the nut sleeve 9 is in threaded connection with a screw rod 10, the bottom of the screw rod 10 penetrates through the nut sleeve 9 and the fixed plate 8 to extend downwards and is rotatably connected with a lifting sliding plate 11, and the lifting sliding plate 11 can slide along the fixed rod 7.
The fixing plate 8 is provided with a round hole corresponding to the screw rod 10, the top of the screw rod 10 is fixedly connected with a rotating handle, the top center of the lifting sliding plate 11 is fixedly connected with a bearing 1101, the bottom of the screw rod 10 is connected in the bearing 1101 in a specific rotating mode, and a user can conveniently rotate the screw rod 10 by the aid of the rotating handle.
Two sets of spacing sleeve pipes 12 of lift slide 11's top fixedly connected with, two sets of spacing sleeve pipes 12 are sliding connection respectively on two sets of dead lever 7, offer the sliding hole corresponding with dead lever 7 on the lift slide 11, lift slide 11 cup joints on dead lever 7 through the sliding hole, and the spacing sleeve pipe 12 of setting can guarantee that lift slide 11 is stable slides along dead lever 7, can not take place the direction skew.
The bottom fixedly connected with wedge fixture block 13 of lift slide 11, the shape of wedge fixture block 13 is the wedge, and square groove 201 is passed and the activity is pegged graft in locking groove 601 to the bottom of wedge fixture block 13, and wedge fixture block 13 can guarantee the installation effect to blade mounting disc 3.
The width of square groove 201 is the same with the width of locking groove 601, and the length of square groove 201 is greater than the length of locking groove 601, and blade body 304 is convenient for the installation fixed also be convenient for the later stage and pull down, consequently makes the user be convenient for regularly pull down blade body 304 to the change of the gasket 301 of making an uproar falls in rubber, prevents that rubber from falling the ageing phenomenon that causes the utility to reduce of gasket 301 of making an uproar.
The working principle is as follows: when the user is using, be convenient for carry out the installation of position to blade mounting disc 3 and blade main part 304, the back of installation moreover, the stable clamp of gasket 301 is fallen in the rubber of setting is fallen to the noise between blade mounting disc 3 and fan housing 1, has just so reduced greatly when blade main part 304 rotates between blade mounting disc 3 and the fan housing 1 the condition that produces the gap and produce vibrations and noise.
When the blade main body 304 is installed and fixed, the traditional bolt fixing is abandoned, but a special locking mechanism is adopted for fixing, the whole structure of the locking mechanism is simple, the use is convenient, the installation and the fixation of the blade main body 304 by a user can be quickly realized, tools such as a spanner, a screwdriver and the like are not needed, when the blade main body 304 is installed, firstly, the blade main body 304 is aligned to the installation space of the fan shell 1 and inserted, then, the blade installation disc 3 is attached to the outer wall of the fan shell 1, the rubber noise reduction gasket 301 is clamped between the blade installation disc 3 and the fan shell 1, the rubber noise reduction gasket 301 is an annular gasket made of rubber, when the blade installation disc 3 moves, the fixing column 4 is driven to move, the fixing column 4 drives the connecting plate 5 to move, the connecting plate 5 drives the inserting block 6 to be inserted into the tube cavity of the square tube seat 2, and the rotating handle, the screw rod 10 rotates and moves downwards spirally along the nut sleeve 9, the screw rod 10 drives the lifting sliding plate 11 to move downwards when moving, the screw rod 10 rotates in the bearing 1101, the lifting sliding plate 11 drives the limiting sleeve 12 to slide along the two groups of fixing rods 7 when moving downwards, the lifting sliding plate 11 also drives the wedge-shaped fixture block 13 to move downwards and insert into the locking groove 601 simultaneously, when the wedge-shaped fixture block 13 abuts against the inner wall of the locking groove 601, the inclined surface of the wedge-shaped fixture block 13 applies horizontal thrust to the inner wall of the locking groove 601, so that the plug 6 transversely pushes the connecting plate 5 and drives the fixing column 4 and the blade mounting disc 3 to extrude the rubber noise reduction gasket 301, the rubber noise reduction gasket 301 is ensured to be clamped between the fan shell 1 and the blade mounting disc 3, good mounting effect is ensured, the connection part is tightly connected without loosening, the blade main body 304 can stably rotate, compared with the rotation when the blade main body 304 loosens, the running resistance can also be reduced, and the reverse of the above installation process is true when the blade mounting disk 3 needs to be removed and the rubber noise reduction gasket 301 needs to be replaced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a blade structure of making an uproar falls in drag reduction, includes fan shell (1) and blade mounting disc (3), its characterized in that: the front side of the blade mounting disc (3) is fixedly connected with a rubber noise reduction gasket (301), the front side of the blade mounting disc (3) is rotatably connected with a main rotating shaft (302), the front side of the main rotating shaft (302) is fixedly connected with a supporting frame (303), the front side of the supporting frame (303) is fixedly connected with a blade main body (304), a mounting space corresponding to the blade main body (304) is arranged on the fan shell (1), the blade main body (304) is movably inserted in the mounting space on the fan shell (1), four corners of the back side of the fan shell (1) are fixedly connected with a square tube base (2), the back side of the blade mounting disc (3) is fixedly connected with four groups of fixing columns (4), the back side of each fixing column (4) is fixedly connected with a connecting plate (5), and the front side of each connecting plate (5) is fixedly, the insert block (6) is movably inserted into a tube cavity of the square tube seat (2), a clamping mechanism corresponding to the insert block (6) is arranged on the square tube seat (2), and a locking groove (601) is formed in the upper surface of the insert block (6).
2. A drag reducing and noise reducing blade construction as claimed in claim 1 wherein: the clamping mechanism comprises fixing rods (7), the fixing rods (7) are fixedly connected to the upper surface of the square tube seat (2), the number of the fixing rods (7) is two, square grooves (201) are formed in the upper surface of the square tube seat (2), the fixing rods (7) are symmetrically distributed on two sides of the square grooves (201), and fixing plates (8) are fixedly connected to the tops of the fixing rods (7).
3. A drag reducing and noise reducing blade construction as claimed in claim 2 wherein: the top center of the fixed plate (8) is fixedly connected with a nut sleeve (9), the axis of the nut sleeve (9) is in threaded connection with a screw rod (10), and the bottom of the screw rod (10) penetrates through the nut sleeve (9) and the fixed plate (8) to extend downwards and is rotatably connected with a lifting sliding plate (11).
4. A drag reducing and noise reducing blade construction as claimed in claim 3 wherein: the round hole corresponding to the screw rod (10) is formed in the fixing plate (8), the rotating handle is fixedly connected to the top of the screw rod (10), the bearing (1101) is fixedly connected to the center of the top of the lifting sliding plate (11), and the bottom of the screw rod (10) is connected in the bearing (1101) in a specific rotating mode.
5. A drag reducing and noise reducing blade construction as claimed in claim 4 wherein: the top fixedly connected with two sets of spacing sleeve pipes (12) of lift slide (11), it is two sets of spacing sleeve pipe (12) sliding connection is respectively on two sets of dead lever (7), the sliding hole corresponding with dead lever (7) has been seted up on lift slide (11), lift slide (11) pass through the sliding hole cup joint on dead lever (7).
6. A drag reducing and noise reducing blade construction as claimed in claim 5 wherein: the bottom of the lifting sliding plate (11) is fixedly connected with a wedge-shaped fixture block (13), the wedge-shaped fixture block (13) is wedge-shaped, and the bottom of the wedge-shaped fixture block (13) penetrates through the square groove (201) and is movably inserted into the locking groove (601).
7. A drag reducing and noise reducing blade construction as claimed in claim 6 wherein: the width of the square groove (201) is the same as that of the locking groove (601), and the length of the square groove (201) is larger than that of the locking groove (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403128.4A CN112576525B (en) | 2020-12-04 | 2020-12-04 | Blade structure of making an uproar falls in drag reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403128.4A CN112576525B (en) | 2020-12-04 | 2020-12-04 | Blade structure of making an uproar falls in drag reduction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112576525A true CN112576525A (en) | 2021-03-30 |
| CN112576525B CN112576525B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011403128.4A Active CN112576525B (en) | 2020-12-04 | 2020-12-04 | Blade structure of making an uproar falls in drag reduction |
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| Country | Link |
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| CN (1) | CN112576525B (en) |
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| US20080170940A1 (en) * | 2007-01-17 | 2008-07-17 | Chin-Chi Wu | Light steel frame fan structure |
| CN109404310A (en) * | 2017-08-17 | 2019-03-01 | 佛山市锐狮科技有限公司 | A kind of low-noise centrifugal blower |
| CN208793329U (en) * | 2018-09-18 | 2019-04-26 | 佛山市鸿海风机有限公司 | A kind of fan noise reduction device |
| EP3489522A1 (en) * | 2017-11-28 | 2019-05-29 | LG Electronics Inc. | Fan assembly and refrigerator including a fan assembly |
| CN210402238U (en) * | 2019-11-21 | 2020-04-24 | 湖南信息职业技术学院 | Computer fan fixed baseplate capable of preventing dust and noise |
| CN211144924U (en) * | 2019-12-04 | 2020-07-31 | 内蒙古黄陶勒盖煤炭有限责任公司 | Axial fan vibration/noise reduction device |
| CN111577668A (en) * | 2020-06-10 | 2020-08-25 | 天合光能股份有限公司 | Quick fixing and vibration isolating device for fan |
-
2020
- 2020-12-04 CN CN202011403128.4A patent/CN112576525B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080170940A1 (en) * | 2007-01-17 | 2008-07-17 | Chin-Chi Wu | Light steel frame fan structure |
| CN109404310A (en) * | 2017-08-17 | 2019-03-01 | 佛山市锐狮科技有限公司 | A kind of low-noise centrifugal blower |
| EP3489522A1 (en) * | 2017-11-28 | 2019-05-29 | LG Electronics Inc. | Fan assembly and refrigerator including a fan assembly |
| CN208793329U (en) * | 2018-09-18 | 2019-04-26 | 佛山市鸿海风机有限公司 | A kind of fan noise reduction device |
| CN210402238U (en) * | 2019-11-21 | 2020-04-24 | 湖南信息职业技术学院 | Computer fan fixed baseplate capable of preventing dust and noise |
| CN211144924U (en) * | 2019-12-04 | 2020-07-31 | 内蒙古黄陶勒盖煤炭有限责任公司 | Axial fan vibration/noise reduction device |
| CN111577668A (en) * | 2020-06-10 | 2020-08-25 | 天合光能股份有限公司 | Quick fixing and vibration isolating device for fan |
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| Publication number | Publication date |
|---|---|
| CN112576525B (en) | 2022-06-21 |
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Effective date of registration: 20220512 Address after: No.6 Xiangxing Road, Torch Development Zone, Zhongshan City, Guangdong Province 528437 Applicant after: MODERN INDUSTRY TECHNOLOGY RESEARCH INSTITUTE ZHONGSHAN SOUTH CHINA University OF TECHNOLOGY Applicant after: Zhongshan Huaxin electromechanical Co., Ltd Address before: No.6 Xiangxing Road, Torch Development Zone, Zhongshan City, Guangdong Province 528437 Applicant before: MODERN INDUSTRY TECHNOLOGY RESEARCH INSTITUTE ZHONGSHAN SOUTH CHINA University OF TECHNOLOGY |
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