CN114352580A - Industrial large fan capable of preventing sundries from entering fan blades and foreign matter preventing method - Google Patents
Industrial large fan capable of preventing sundries from entering fan blades and foreign matter preventing method Download PDFInfo
- Publication number
- CN114352580A CN114352580A CN202210067834.9A CN202210067834A CN114352580A CN 114352580 A CN114352580 A CN 114352580A CN 202210067834 A CN202210067834 A CN 202210067834A CN 114352580 A CN114352580 A CN 114352580A
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- China
- Prior art keywords
- air guide
- sleeve
- fan blades
- protective cover
- fan
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 241000883990 Flabellum Species 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000000428 dust Substances 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
-
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an industrial large fan for preventing sundries from entering fan blades and a foreign matter preventing method, and relates to the technical field of dust prevention of industrial large fans. The air guide filter screen of the sealing frame is utilized to prevent large-volume sundries from entering the protective cover from the opening of the protective cover, the sealing disc is utilized to prevent the large-volume sundries from entering the protective cover through the air inlet and being mistakenly contacted with the fan blades, the normal rotation requirement of the fan blades is met, the fan blades are protected, and the service life of the fan blades is prolonged.
Description
Technical Field
The invention relates to the technical field of dust prevention of industrial large fans, in particular to an industrial large fan capable of preventing impurities from entering fan blades and a foreign matter preventing method.
Background
The industrial large fan is commonly used in industrial production, because the operation environment of an industrial workshop is relatively poor, if large-volume impurities penetrate through the protective cover to be in contact with rotating fan blades, the fan blades can be instantly stretched off, and on the other hand, broken fan blade residues can splash to injure workers, so that certain potential safety hazards exist, the industrial large fan for preventing the impurities from entering the fan blades and the method for preventing the impurities are designed, and the problems are solved conveniently.
Disclosure of Invention
The present invention is directed to an industrial large fan and a method for preventing foreign objects from entering the fan blades, so as to solve the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent that debris from getting into industry big fan of flabellum, includes driving motor, protection casing and sealed dish, and protection casing one end is the enclosed construction, avoids inside large granule debris get into the protection casing, and the other end is open structure, and the opening is used for the wind-guiding to use.
The fixed setting of driving motor is on the one end lateral wall is sealed to the protection casing, driving motor's power shaft rotates and extends to the inside back of protection casing and is connected with the air guide sleeve, driving motor provides power and drives the air guide sleeve and rotate inside the protection casing, the fixed sleeve that has cup jointed of air guide sleeve's outer wall, the fixed flabellum that is equipped with of fixed sleeve's radial outer wall, can drive the synchronous rotation of flabellum in the air guide sleeve pivoted, use as the industrial fan.
The protective cover seals one side lateral wall and has seted up the fresh air inlet of a plurality of even interval distribution, and the flabellum rotates and produces the negative pressure, and inside outside air accessible fresh air inlet got into the protective cover, then derived through opening one side of protective cover, and the wind-force of production satisfied user demand.
The wind-guiding hole that a plurality of evenly spaced distribution was seted up to wind-guiding telescopic radial lateral wall, sealed dish slides and cup joints at the telescopic outer wall of wind-guiding, sealed dish is located between fresh air inlet and the flabellum, the wind that gets into the protection casing from the air intake can directly not derive, inside the wind-guiding sleeve was entered into through wind-guiding telescopic one end wind-guiding hole, then blow off again from the wind-guiding hole of the wind-guiding sleeve other end, that is to say through the boundary on the sealed dish as the wind-guiding sleeve outer wall, even bulky debris enter into the protection casing inside, also can not contact with the flabellum, the normal operating of flabellum is not influenced, protect the flabellum.
In further embodiment, protection casing opening one end outer wall rotates to cup joint sealed frame, and the fixed wind-guiding filter screen that is equipped with of sealed frame lateral wall, and the in-process of use, in order to avoid bulky debris to get into in the protection casing and take place the mistake with the flabellum and touch, causes the flabellum to damage and cause bigger incident, utilizes the wind-guiding filter screen of sealed frame to avoid bulky debris to get into the protection casing from the opening of protection casing to the wind-guiding filter screen does not influence the wind-guiding operation.
In a further embodiment, the radial side wall of the sealing disk is in sliding fit with the inner radial side wall of the shield, so that the sliding of the sealing disk along the inner wall of the shield is not influenced, and the sealing disk can be prevented from crossing over the sealing disk to contact with the fan blades due to the generation of gaps.
In a further embodiment, the central point of wind-guiding filter screen puts and has seted up the spliced eye, and the spliced eye rotates with wind-guiding sleeve's tip and pegs graft, and sealed frame cover utilizes spliced eye and wind-guiding sleeve's tip to rotate the grafting after protection casing opening outer wall, neither influences wind-guiding sleeve's rotation, usable wind-guiding filter screen reinforcing wind-guiding sleeve's rotational stability again.
In a further embodiment, the inside of the air guide sleeve is inserted with an I-shaped sleeve in a sliding mode, the end portion of the I-shaped sleeve is flush with the side wall of the air guide filter screen, the outer wall of the I-shaped sleeve is sleeved with filter cotton, matching holes are formed in the side wall of the I-shaped sleeve, the filter cotton is used for filtering dust, the I-shaped sleeve is used for guiding air through the matching holes of the I-shaped sleeve, the I-shaped sleeve is regularly pulled out from the air guide sleeve, the filter cotton is cleaned, and filtering is effectively carried out.
In a further embodiment, a retaining ring is fixedly arranged at the end part of the I-shaped sleeve, and the I-shaped sleeve can be conveniently pulled and pulled by arranging the retaining ring.
In further embodiment, the lateral wall central point of sealed dish puts and rotates and is equipped with the installation sleeve, and the installation sleeve slides with the air guide sleeve outer wall and cup joints, and the fixed stopper that is equipped with in installation sleeve's inside, air guide sleeve's outer wall be equipped with the spacing spout of stopper slip joint, through stopper and spacing spout slip joint, avoid the rotation of installation sleeve on air guide sleeve.
The fixed L type kicking block that is the loop configuration substep of a plurality of that is equipped with of installation telescopic radial lateral wall, the most advanced fixed strip that is equipped with of L type kicking block seals the piece, and the strip seals piece and the inside seamless joint of fresh air inlet, when not using, will seal the installation sleeve of dish along guide sleeve outer wall endwise slip, with the strip seal inside the fresh air inlet imbeds, can avoid debris and dust to enter into the protection casing inside.
In a further embodiment, the installation sleeve and the opposite side wall of the fixed sleeve are both fixedly embedded with annular electromagnets, and an external control circuit is utilized to communicate the circuits of the two annular electromagnets, so that mutually exclusive magnetic force is generated between the two annular electromagnets, the sealing disc and the installation sleeve can be jacked up to one side close to the air inlet, and the automatic sealing of the air inlet is realized.
Preferably, the method for preventing foreign matters of the industrial large fan based on the above method for preventing foreign matters from entering the fan blades comprises the following steps:
a1, a driving motor provides power to drive an air guide sleeve to rotate in a protective cover, the outer wall of the air guide sleeve is fixedly sleeved with a fixed sleeve, blades are fixedly arranged on the radial outer wall of the fixed sleeve, and the air guide sleeve can drive the blades to synchronously rotate while rotating to be used as an industrial fan;
a2, in the using process, in order to avoid the phenomenon that large-volume sundries enter the protective cover to be mistakenly contacted with the fan blades to cause damage of the fan blades and cause greater safety accidents, the air guide filter screen of the sealing frame is used for preventing the large-volume sundries from entering the protective cover from the opening of the protective cover, and the air guide filter screen does not influence air guide operation;
a3, the wind that gets into the protection casing from the air intake can not directly be derived, and the one end wind-guiding hole that passes through the wind-guiding sleeve gets into the wind-guiding sleeve inside, then blows off again from the wind-guiding hole of the wind-guiding sleeve other end, just so say through the boundary on the sealed dish as the wind-guiding sleeve outer wall, bulky debris even enter into inside the protection casing, can not contact with the flabellum yet, do not influence the normal operating of flabellum, protection flabellum.
Compared with the prior art, the invention has the beneficial effects that:
the fan blade is driven to rotate by the power provided by the driving motor and used as an industrial fan, in the using process, in order to avoid large-volume sundries from entering the protective cover to be mistakenly contacted with the fan blade to cause damage of the fan blade and larger safety accidents, the air guide filter screen of the sealing frame is used for preventing the large-volume sundries from entering the protective cover from the opening of the protective cover, the sealing disc is used for preventing the large-volume sundries from entering the protective cover through the air inlet to be mistakenly contacted with the fan blade, the normal rotating requirement of the fan blade is met, the fan blade can be protected, and the service life of the fan blade is prolonged.
Drawings
FIG. 1 is an exploded view of the main structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is a partial cross-sectional view of an I-shaped sleeve and filter cotton of the present invention;
FIG. 4 is a schematic view of the protective cover of the present invention;
fig. 5 is an exploded view of the seal disk and mounting sleeve construction of the present invention.
In the figure: 1. a protective cover; 11. an air guide sleeve; 12. fixing the sleeve; 13. a fan blade; 14. an air inlet hole; 15. a wind guide hole; 2. a drive motor; 3. a sealing frame; 31. a wind guide filter screen; 32. an I-shaped sleeve; 33. a retaining ring; 34. filtering cotton; 4. sealing the disc; 41. installing a sleeve; 42. an annular electromagnet; 43. an L-shaped top block; 44. a strip-shaped sealing block.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, the present embodiment provides a large industrial fan and a method for preventing impurities from entering fan blades, including a driving motor 2, a protective cover 1 and a sealing disc 4, wherein one end of the protective cover 1 is a closed structure to prevent large particles of impurities from entering the protective cover 1, and the other end is an open structure for guiding wind.
The fixed setting of driving motor 2 is on the one end lateral wall is sealed to protection casing 1, driving motor 2's power shaft rotates and extends to 1 inside back of protection casing and is connected with air guide sleeve 11, driving motor 12 provides power and drives air guide sleeve 11 and rotate 1 inside at the protection casing, the fixed cover of outer wall of air guide sleeve 11 has connect fixed sleeve 12, fixed sleeve 12's the fixed flabellum 13 that is equipped with of radial outer wall, can drive flabellum 13 synchronous rotation in the time of air guide sleeve 11 pivoted, use as industrial fan.
A plurality of air inlet holes 14 distributed at even intervals are formed in the side wall of the closed side of the protective cover 1, the fan blades 13 rotate to generate negative pressure, outside air can enter the protective cover 1 through the air inlet holes 14 and then is led out from the open side of the protective cover 1, and the generated wind power meets the use requirements.
1 opening one end outer wall of protection casing rotates and has cup jointed sealed frame 3, the fixed wind-guiding filter screen 31 that is equipped with of 3 lateral walls of sealed frame, the in-process of use, in order to avoid bulky debris to get into in the protection casing 1 and take place the mistake with flabellum 13 and touch, cause flabellum 13 to damage and cause bigger incident, the wind-guiding filter screen 31 that utilizes sealed frame 3 avoids bulky debris to get into protection casing 1 from the opening of protection casing 1, and wind-guiding filter screen 31 does not influence the wind-guiding operation.
The wind-guiding hole 15 of a plurality of even interval distribution is seted up to wind-guiding sleeve 11's radial lateral wall, sealed 4 slip of sealed dish cup joints the outer wall at wind-guiding sleeve 11, sealed dish 4 is located between fresh air inlet 14 and flabellum 13, the wind that gets into 1 inside protection casing from air intake 14 can not directly be derived, one end wind-guiding hole 15 through wind-guiding sleeve 11 enters into inside wind-guiding sleeve 11, then blow off again from the wind-guiding hole 15 of the wind-guiding sleeve 11 other end, just say that pass through sealed dish 4 as the boundary on the wind-guiding sleeve 11 outer wall, bulky debris even enter into 1 insidely of protection casing, also can not contact with flabellum 13, do not influence the normal operating of flabellum 13, protection flabellum 13.
Example two
Referring to fig. 1-5, a further improvement is made on the basis of embodiment 1:
the radial side wall of the sealing disc 4 is in sliding fit with the inner radial side wall of the protective cover 1, so that the sealing disc 4 is not influenced to slide along the inner wall of the protective cover 1, and large-volume impurities cannot be ensured to cross the sealing disc 4 to contact with the fan blades 13 due to gaps.
The spliced eye has been seted up to air guide screen 31's central point, and the spliced eye rotates with air guide sleeve 11's tip and pegs graft, and sealed frame 3 covers behind 1 opening outer wall of protection casing, utilizes spliced eye and air guide sleeve 11's tip to rotate and pegs graft, neither influences air guide sleeve 11's rotation, usable air guide screen 31 reinforcing air guide sleeve 11's rotational stability again.
An I-shaped sleeve 32 is inserted into the air guide sleeve 11 in a sliding mode, the end portion of the I-shaped sleeve 32 is flush with the side wall of the air guide filter screen 31, filter cotton 34 is sleeved on the outer wall of the I-shaped sleeve 32, matching holes are formed in the side wall of the I-shaped sleeve 32, the I-shaped sleeve 32 is inserted into the air guide sleeve 11 in order to reduce the attachment of a large amount of dust on the fan blade 13, the filter cotton 34 is sleeved on the outer wall of the I-shaped sleeve 32 and enters the air guide sleeve 11, the filter cotton 34 is used for filtering dust, the matching holes through the I-shaped sleeve 32 are used for guiding air, the I-shaped sleeve 32 is pulled out of the air guide sleeve 11 regularly, the filter cotton 34 is cleaned, and the filtering is effectively carried out.
The end part of the I-shaped sleeve 32 is fixedly provided with a retaining ring 33, and the I-shaped sleeve 32 is convenient to pull by arranging the retaining ring 33.
Sealed dish 4's lateral wall central point puts and rotates and is equipped with installation sleeve 41, and installation sleeve 41 cup joints with the slip of 11 outer walls of air guide sleeve, and installation sleeve 41's inside is fixed and is equipped with the stopper, and air guide sleeve 11's outer wall is equipped with the spacing spout with the slip joint of stopper, through stopper and the slip joint of spacing spout, avoids installation sleeve 41 rotation on air guide sleeve 11.
The fixed L type kicking block 43 that is the loop configuration substep that is equipped with a plurality of mounting sleeve 41 radial side wall, the most advanced of L type kicking block 43 is fixed and is equipped with the sealed piece 44 of bar, the sealed piece 44 of bar and the inside seamless joint of fresh air inlet 14, when not using, with sealed dish 4 mounting sleeve 41 along wind guide sleeve 11 outer wall endwise slip, with the sealed piece 44 embedding fresh air inlet 14 of bar inside, can avoid debris and dust to enter into inside the protection casing 1.
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 (9)
1. The utility model provides a prevent that debris gets into big fan of industry of flabellum, includes driving motor (2), protection casing (1) and sealed dish (4), its characterized in that: one end of the protective cover (1) is of a closed structure, and the other end of the protective cover is of an open structure;
the driving motor (2) is fixedly arranged on the side wall of the closed end of the protective cover (1), a power shaft of the driving motor (2) is connected with an air guide sleeve (11) after rotating and extending into the protective cover (1), the outer wall of the air guide sleeve (11) is fixedly sleeved with a fixed sleeve (12), and the radial outer wall of the fixed sleeve (12) is fixedly provided with a fan blade (13);
the radial side wall of the air guide sleeve (11) is provided with a plurality of air guide holes (15) distributed at equal intervals, the sealing disc (4) is sleeved on the outer wall of the air guide sleeve (11) in a sliding mode, the side wall of the closed side of the protective cover (1) is provided with a plurality of air inlet holes (14) distributed at equal intervals, and the sealing disc (4) is located between the air inlet holes (14) and the fan blades (13).
2. The industrial large fan for preventing impurities from entering the fan blades as claimed in claim 1, wherein: the outer wall of one end of an opening of the protective cover (1) is rotatably sleeved with a sealing frame (3), and an air guide filter screen (31) is fixedly arranged on the side wall of the sealing frame (3).
3. The industrial large fan for preventing impurities from entering the fan blades as claimed in claim 1, wherein: the radial side wall of the sealing disc (4) is in sliding fit with the radial side wall of the inner part of the protective cover (1).
4. The industrial large fan capable of preventing impurities from entering the fan blades as claimed in claim 2, wherein: the central position of the air guide filter screen (31) is provided with a jack, and the jack is rotatably spliced with the end part of the air guide sleeve (11).
5. The industrial large fan capable of preventing impurities from entering the fan blades as claimed in claim 4, wherein: the air guide device is characterized in that an I-shaped sleeve (32) is inserted into the air guide sleeve (11) in a sliding mode, the end portion of the I-shaped sleeve (32) is flush with the side wall of the air guide filter screen (31), filter cotton (34) is sleeved on the outer wall of the I-shaped sleeve (32), and matching holes are formed in the side wall of the I-shaped sleeve (32).
6. The industrial large fan capable of preventing impurities from entering fan blades as claimed in claim 5, wherein: a snap ring (33) is fixedly arranged at the end part of the I-shaped sleeve (32).
7. The industrial large fan for preventing impurities from entering the fan blades as claimed in claim 1, wherein: the utility model discloses a wind turbine generator, including sealed dish (4), installation sleeve (41), air guide sleeve (11), stopper, air guide sleeve (11), the fixed stopper that is equipped with in inside of installation sleeve (41), the outer wall of air guide sleeve (11) is equipped with the spacing spout with stopper slip joint, the fixed L type kicking block (43) that are the loop configuration substep that is equipped with a plurality of radial lateral wall of installation sleeve (41), the most advanced fixed bar that is equipped with of L type kicking block (43) seals piece (44), the sealed piece of bar (44) and inside seamless joint of fresh air inlet (14).
8. The industrial large fan for preventing impurities from entering the fan blades as claimed in claim 7, wherein: and annular electromagnets (42) are fixedly embedded in opposite side walls of the mounting sleeve (41) and the fixing sleeve (12).
9. The method for preventing foreign matters from entering the industrial large fan with the fan blades is characterized by comprising the following steps of:
a1, a driving motor (12) provides power to drive an air guide sleeve (11) to rotate in a protective cover (1), a fixed sleeve (12) is fixedly sleeved on the outer wall of the air guide sleeve (11), and the air guide sleeve (11) can drive fan blades (13) to synchronously rotate while rotating to serve as an industrial fan;
a2, in the using process, in order to avoid that large-volume sundries enter the protective cover (1) to be mistakenly contacted with the fan blades (13) to cause damage to the fan blades (13) and larger safety accidents, the air guide filter screen (31) of the sealing frame (3) is utilized to prevent the large-volume sundries from entering the protective cover (1) from the opening of the protective cover (1), and the air guide filter screen (31) does not influence the air guide operation;
a3, wind entering the inside of the protective cover (1) from the air inlet (14) cannot be directly led out, enters the inside of the air guide sleeve (11) through the air guide hole (15) at one end of the air guide sleeve (11), and then is blown out from the air guide hole (15) at the other end of the air guide sleeve (11), namely, the sealing disc (4) is used as a boundary on the outer wall of the air guide sleeve (11), even if large-volume sundries enter the inside of the protective cover (1), the large-volume sundries cannot be in contact with the fan blades (13), the normal operation of the fan blades (13) is not influenced, and the fan blades (13) are protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210067834.9A CN114352580B (en) | 2022-01-20 | 2022-01-20 | Industrial large fan capable of preventing sundries from entering fan blades and foreign matter preventing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210067834.9A CN114352580B (en) | 2022-01-20 | 2022-01-20 | Industrial large fan capable of preventing sundries from entering fan blades and foreign matter preventing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114352580A true CN114352580A (en) | 2022-04-15 |
| CN114352580B CN114352580B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210067834.9A Active CN114352580B (en) | 2022-01-20 | 2022-01-20 | Industrial large fan capable of preventing sundries from entering fan blades and foreign matter preventing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114352580B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3178828U (en) * | 2012-07-20 | 2012-10-04 | 雅歌丹生化科技股▲ふん▼有限公司 | Fan with gas flow structure |
| CN206159132U (en) * | 2016-10-21 | 2017-05-10 | 叶元华 | Fan protective cover and fan |
| US9677560B1 (en) * | 2014-07-11 | 2017-06-13 | Summit Esp, Llc | Centrifugal pump impeller support system and apparatus |
| CN207568951U (en) * | 2017-11-20 | 2018-07-03 | 青岛一牧机械有限公司 | A kind of large-sized workshop wind turbine |
| CN210889499U (en) * | 2019-09-20 | 2020-06-30 | 浙江科贸实业有限公司 | Screen cover of axial flow fan |
| CN211398056U (en) * | 2020-01-14 | 2020-09-01 | 美尔森石墨工业（重庆）有限公司 | Fan heat dissipation air guide sleeve |
| CN212479659U (en) * | 2020-07-13 | 2021-02-05 | 陈宋谋 | Purification type multiloop exhaust fan |
| CN215292961U (en) * | 2021-06-24 | 2021-12-24 | 伦登风机科技(天津)有限公司 | Wind tunnel simulation fan |
-
2022
- 2022-01-20 CN CN202210067834.9A patent/CN114352580B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3178828U (en) * | 2012-07-20 | 2012-10-04 | 雅歌丹生化科技股▲ふん▼有限公司 | Fan with gas flow structure |
| US9677560B1 (en) * | 2014-07-11 | 2017-06-13 | Summit Esp, Llc | Centrifugal pump impeller support system and apparatus |
| CN206159132U (en) * | 2016-10-21 | 2017-05-10 | 叶元华 | Fan protective cover and fan |
| CN207568951U (en) * | 2017-11-20 | 2018-07-03 | 青岛一牧机械有限公司 | A kind of large-sized workshop wind turbine |
| CN210889499U (en) * | 2019-09-20 | 2020-06-30 | 浙江科贸实业有限公司 | Screen cover of axial flow fan |
| CN211398056U (en) * | 2020-01-14 | 2020-09-01 | 美尔森石墨工业（重庆）有限公司 | Fan heat dissipation air guide sleeve |
| CN212479659U (en) * | 2020-07-13 | 2021-02-05 | 陈宋谋 | Purification type multiloop exhaust fan |
| CN215292961U (en) * | 2021-06-24 | 2021-12-24 | 伦登风机科技(天津)有限公司 | Wind tunnel simulation fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114352580B (en) | 2023-11-21 |
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