CN112360782A - Industry exhaust fan protection type shutter - Google Patents
Industry exhaust fan protection type shutter Download PDFInfo
- Publication number
- CN112360782A CN112360782A CN202011342777.8A CN202011342777A CN112360782A CN 112360782 A CN112360782 A CN 112360782A CN 202011342777 A CN202011342777 A CN 202011342777A CN 112360782 A CN112360782 A CN 112360782A
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- CN
- China
- Prior art keywords
- exhaust fan
- plate
- louver
- fixed
- groove
- 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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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
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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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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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
- F04D29/70—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
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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 an industrial exhaust fan protection type shutter which comprises an exhaust fan shell and a fixing plate, wherein a fixing frame is arranged inside the exhaust fan shell, a fixing ring and exhaust fan blades are arranged in the middle of the fixing frame, the exhaust fan blades are movably connected with the fixing ring, a louver plate is arranged inside the fixing plate, an adjusting device is arranged inside one side of the fixing plate, the adjusting device is fixed with the louver plate, and four corners of the fixing plate are provided with dismounting structures. The invention relates to a protective shutter of an industrial exhaust fan, belonging to the field of industrial exhaust fans, which can ensure that a shutter plate can adjust the angle according to the needs, can adjust the flow angle of air, ensures that an arm extends into the interior of an exhaust fan shell to wipe the blades of the exhaust fan, closes a fixed plate and the exhaust fan shell under the action of a telescopic spring, moves a fixed strip along the shutter plate, can more conveniently wipe dust in gaps of the shutter plate, and is more convenient.
Description
Technical Field
The invention relates to the field of industrial exhaust fans, in particular to a protective shutter of an industrial exhaust fan.
Background
The industrial exhaust fan mainly utilizes the air convection ventilation principle to work, is mainly installed on a window, naturally inhales fresh air through a subtend gate or the window of an installation place, enables indoor hot air polluted air to be quickly exhausted outdoors, and attracts fresh air to enter indoors, the type of the industrial exhaust fan can be classified according to an exhaust outlet, and the industrial exhaust fan can be roughly divided into the following parts: the cross flow formula exhaust fan, axial-flow type exhaust fan, centrifugal exhaust fan, full pipe type exhaust fan, pipe air inlet type exhaust fan, pipe air exhaust type exhaust fan to and partition wall type exhaust fan, wherein the industry exhaust fan protects through the shutter, can avoid some great foreign matters to enter into the inside of fan, cause the damage of becoming the fan. But the shutter on the current exhaust fan has certain drawback, and at first, the shutter fan is adjusted the leaf and is inconvenient, can not adjust according to the angle that needs, and the leaf on the shutter fan can fall into the dust in addition for the dust on the leaf is difficult to be cleared up, and is more troublesome, and it is more troublesome still to clear up inside fan, needs to dismantle the shutter and gets off just can clean the dust, and is more troublesome.
Disclosure of Invention
The invention mainly aims to provide a protective shutter of an industrial exhaust fan, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an industry exhaust fan protection type shutter, includes exhaust fan shell and fixed plate, the inside of exhaust fan shell is provided with the mount, the centre of mount is provided with solid fixed ring and exhaust fan flabellum, and exhaust fan flabellum and solid fixed ring swing joint, the inside of fixed plate is provided with the louver board, the inside adjusting device that is provided with of one side of fixed plate, adjusting device is fixed mutually with the louver board, four corners of fixed plate are provided with the dismouting structure, dismouting structure and exhaust fan shell swing joint, the inside of fixed plate is located the louver board and is provided with cleaning device, and cleaning device and louver board looks block, and cleaning device moves on the louver board.
Preferably, adjusting device includes baffle, transmission shaft, knob, drive gear, screw hole, first fixing bolt, driving gear, preformed hole and first preformed groove, one side of fixed plate has been seted up and has been provided with first preformed groove, be provided with the baffle on the first preformed groove, the preformed hole has been seted up to the centre of baffle, the both ends of baffle are seted up threaded hole, and the inside of screw hole is provided with first fixing bolt, the inside of first preformed groove is provided with the transmission shaft, and the transmission shaft is fixed mutually with the louver board, be provided with the driving gear on the transmission shaft, be provided with drive gear between the driving gear, and be provided with the transmission shaft on the drive gear, one of them be located preformed hole department on the transmission shaft and be provided with the knob.
Preferably, drive gear and driving gear intermeshing, the baffle is fixed mutually with the fixed plate through first fixing bolt, the knob is fixed mutually around the axis of transmission shaft, can make the epaxial louver board of transmission rotate simultaneously through rotatory knob to make the louver board can adjust the angle as required, can adjust the flow angle of air, it is more convenient.
Preferably, the dismouting structure includes shifting chute, connecting plate, mating holes, cooperation pole, mating grooves, connects rope, fastening bolt and expanding spring, the shifting chute has been seted up to the inner wall of exhaust fan shell, the inside of shifting chute is provided with the cooperation pole, one side of fixed plate is provided with the connecting plate, the mating holes has been seted up to the inside of connecting plate, the mating grooves has been seted up to the lateral wall of connecting plate, be provided with between shifting chute and the connecting plate and connect the rope, be provided with fastening bolt between exhaust fan shell and the fixed plate, the inside that lies in the exhaust fan shell on the fastening bolt is provided with expanding spring.
Preferably, the cooperation groove of connecting plate removes along the inside of shifting chute, the cooperation pole removes in the cooperation hole of connecting plate, can outwards stimulate the fixed plate for the cooperation hole removes with the cooperation pole each other, and shifting chute and cooperation pole remove each other, thereby makes exhaust fan shell and fixed plate separation, can stretch into the inside of exhaust fan shell with the arm this moment and clean the exhaust fan flabellum, cleans the completion back, closes fixed plate and exhaust fan shell under expanding spring's effect.
Preferably, cleaning device includes fixed strip, connecting block, reservation chamber, chucking piece, cleans brush and second reservation groove, the inside of fixed plate is located louver board department and is provided with the fixed strip, one side of fixed strip is provided with the connecting block, the reservation chamber has been seted up to the inside of fixed strip, the inside in reservation chamber is provided with the chucking piece, the second reservation groove has been seted up to the inside of chucking piece, the inner wall in second reservation groove is provided with cleans the brush, and the louver board is arranged in the second reservation groove.
Preferably, the fixed strip moves on along the louver board, chucking piece block is in the inside in reservation chamber, the axis of chucking piece round the louver board rotates, the louver board block is on the chucking piece, the cooperation groove contacts with the louver board, and the second reservation groove in the chucking piece is aligned with the louver board, moves the fixed strip on along the louver board this moment, and the dust with between the louver board gap that can be more convenient is cleaned, and is more convenient.
Preferably, the inside of exhaust fan shell is located solid fixed ring department and is provided with the motor, the output shaft of motor is connected with the exhaust fan flabellum.
Preferably, the side wall of the exhaust fan shell is welded with a side plate, and a second fixing bolt is arranged on the side plate.
Preferably, the fixing plate is fixed with the exhaust fan shell through a fixing frame.
Compared with the prior art, the invention has the following beneficial effects:
1. through being provided with adjusting device, can make the epaxial louver board of transmission rotate simultaneously through rotatory knob to make the louver board angle regulation as required, can adjust the angle that flows of air, it is more convenient.
2. Be provided with the dismouting structure, can be with the outside pulling of fixed plate for mating holes and cooperation pole inter displacement, and shifting chute and cooperation pole inter displacement, thereby make exhaust fan shell and fixed plate separation, can stretch into the inside of exhaust fan shell with the arm this moment and clean the exhaust fan flabellum, clean the completion back, close fixed plate and exhaust fan shell under expanding spring's effect.
3. Through the cleaning device who adds, align second preformed groove in the chucking piece with the louver board, remove the fixed strip along the louver board this moment, can be more convenient clean the dust between the louver board gap, it is more convenient.
Drawings
FIG. 1 is an overall view of an industrial exhaust fan protective louver according to the present invention;
FIG. 2 is an inside view of an industrial exhaust fan protective louver according to the present invention;
FIG. 3 is a schematic view of an adjusting device of the industrial exhaust fan protective louver according to the present invention;
FIG. 4 is a schematic view of a detachable structure of the protective shutter of an industrial exhaust fan according to the present invention;
FIG. 5 is a schematic view of a cleaning device for an industrial exhaust fan protective louver according to the present invention.
In the figure: 1. a housing of the exhaust fan; 2. a fixing plate; 3. a side plate; 4. an adjustment device; 401. a baffle plate; 402. a drive shaft; 403. a knob; 404. a transmission gear; 405. a threaded hole; 406. a first fixing bolt; 407. a driving gear; 408. reserving a hole; 409. a first preformed groove; 5. a louver board; 6. a disassembly and assembly structure; 601. a moving groove; 602. a connecting plate; 603. a mating hole; 604. a mating rod; 605. a mating groove; 606. connecting ropes; 607. fastening a bolt; 608. a tension spring; 7. a second fixing bolt; 8. a cleaning device; 801. a fixing strip; 802. connecting blocks; 803. reserving a cavity; 804. a clamping block; 805. a wiping brush; 806. a second preformed groove; 9. a fixed mount; 10. a fixing ring; 11. a motor; 12. fan blades of the exhaust fan.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, an industrial exhaust fan protection type shutter, including exhaust fan housing 1 and fixed plate 2, the inside of exhaust fan housing 1 is provided with mount 9, the centre of mount 9 is provided with solid fixed ring 10 and exhaust fan flabellum 12, and exhaust fan flabellum 12 and solid fixed ring 10 swing joint, the inside of fixed plate 2 is provided with louver board 5, the inside adjusting device 4 that is provided with in one side of fixed plate 2, adjusting device 4 is fixed mutually with louver board 5, four corners of fixed plate 2 are provided with dismouting structure 6, dismouting structure 6 and exhaust fan housing 1 swing joint, the inside of fixed plate 2 is located louver board 5 and is provided with cleaning device 8, and cleaning device 8 and louver board 5 looks block, and cleaning device 8 moves along louver board 5.
In this embodiment, the adjusting device 4 includes a baffle 401, a transmission shaft 402, a knob 403, a transmission gear 404, a threaded hole 405, a first fixing bolt 406, a driving gear 407, a reserved hole 408 and a first reserved groove 409, one side of the fixing plate 2 is provided with the first reserved groove 409, the baffle 401 is arranged on the first reserved groove 409, the reserved hole 408 is arranged in the middle of the baffle 401, the threaded hole 405 is arranged at two ends of the baffle 401, the first fixing bolt 406 is arranged inside the threaded hole 405, the transmission shaft 402 is arranged inside the first reserved groove 409, the transmission shaft 402 is fixed to the louver plate 5, the driving gear 407 is arranged on the transmission shaft 402, the transmission gear 404 is arranged between the driving gears 407, the transmission gear 404 is provided with the transmission shaft 402, and the knob 403 is arranged on one of the transmission shafts 402 at the reserved hole 408; the transmission gear 404 and the driving gear 407 are meshed with each other, the baffle 401 is fixed with the fixing plate 2 through the first fixing bolt 406, the knob 403 is fixed around the axis of the transmission shaft 402, and the louver boards 5 on the transmission shaft 402 can rotate simultaneously by rotating the knob 403, so that the angle of the louver boards 5 can be adjusted as required, the flowing angle of air can be adjusted, and the air conditioner is convenient to use.
In this embodiment, the dismounting structure 6 includes a moving slot 601, a connecting plate 602, a matching hole 603, a matching rod 604, a matching slot 605, a connecting rope 606, a fastening bolt 607 and a telescopic spring 608, the inner wall of the exhaust fan casing 1 is provided with the moving slot 601, the matching rod 604 is arranged inside the moving slot 601, one side of the fixing plate 2 is provided with the connecting plate 602, the matching hole 603 is arranged inside the connecting plate 602, the matching slot 605 is arranged on the side wall of the connecting plate 602, the connecting rope 606 is arranged between the moving slot 601 and the connecting plate 602, the fastening bolt 607 is arranged between the exhaust fan casing 1 and the fixing plate 2, and the telescopic spring 608 is arranged inside the exhaust fan casing 1 on the fastening bolt 607; the inside removal along moving groove 601 of cooperation groove 605 of connecting plate 602, cooperation pole 604 removes in along the mating holes 603 of connecting plate 602, can outwards stimulate fixed plate 2, make mating holes 603 and cooperation pole 604 remove each other, and moving groove 601 and cooperation pole 604 remove each other, thereby make exhaust fan shell 1 and fixed plate 2 separate, can stretch into the inside of exhaust fan shell 1 with the arm this moment and clean exhaust fan flabellum 12, clean the back of accomplishing, close fixed plate 2 and exhaust fan shell 1 under the effect of expanding spring 608.
In this embodiment, the cleaning device 8 includes a fixing strip 801, a connecting block 802, a reserved cavity 803, a clamping block 804, a wiping brush 805 and a second reserved groove 806, the fixing strip 801 is disposed inside the fixing plate 2 at the position of the louver board 5, the connecting block 802 is disposed on one side of the fixing strip 801, the reserved cavity 803 is disposed inside the fixing strip 801, the clamping block 804 is disposed inside the reserved cavity 803, the second reserved groove 806 is disposed inside the clamping block 804, the wiping brush 805 is disposed on the inner wall of the second reserved groove 806, and the louver board 5 is located in the second reserved groove 806; the fixed strip 801 moves along the louver board 5, the inside of chucking piece 804 block in reservation chamber 803, the axis rotation of chucking piece 804 round louver board 5, the block of louver board 5 is on the chucking piece 804, cooperation groove 605 contacts with louver board 5, align second reservation groove 806 in the chucking piece 804 with louver board 5, move the fixed strip 801 along louver board 5 this moment on, can be more convenient wipe the dust between the 5 gaps of louver board, it is more convenient.
In addition, a motor 11 is arranged inside the exhaust fan shell 1 at the position of the fixed ring 10, and an output shaft of the motor 11 is connected with the exhaust fan blades 12; an edge side plate 3 is welded on the side wall of the exhaust fan shell 1, and a second fixing bolt 7 is arranged on the edge side plate 3; the fixing plate 2 is fixed with the exhaust fan shell 1 through a fixing frame 9.
It should be noted that, when in use, the present invention is an industrial exhaust fan protection type louver, the exhaust fan casing 1 can be put into the ventilation opening, then the second fixing bolt 7 fixes the side plate 3 on the wall of the ventilation opening, at this time, the exhaust fan casing 1 can be installed on the ventilation opening, then the power supply of the exhaust fan is turned on, at this time, the motor 11 on the fixing frame 9 drives the exhaust fan blade 12 on the fixing ring 10, at this time, the exhaust fan blade 12 can be rotated, at this time, ventilation can be performed in a workshop, and the angle of the louver board 5 needs to be adjusted by the adjusting device 4, at this time, the knob 403 can be rotated, at this time, the transmission shaft 402 can drive the louver board 5 to rotate, and the driving gear 407 and the transmission gear 404 in the first reserved groove 409 are mutually transmitted, so that the louver board 5 synchronously rotates, thereby the angle of the louver board 5, the knob 403 can be detached from the preformed hole 408, the first fixing bolt 406 is screwed out from the threaded hole 405, the baffle 401 is taken out from the fixing plate 2, after long-term use, some dust can fall into the exhaust fan blades 12 and the louver board 5, the fixing plate 2 can be pulled outwards at the moment, the matching hole 603 and the matching rod 604 move mutually, and the moving groove 601 and the matching groove 605 move mutually, so that the exhaust fan housing 1 is separated from the fixing plate 2 through the dismounting structure 6 and is connected through the connecting rope 606, an arm can be stretched into the exhaust fan housing 1 to wipe the exhaust fan blades 12 at the moment, the exhaust fan blades 12 are wiped while the exhaust fan blades 12 are rotated, the fixing plate 2 can be loosened after wiping, the fixing plate 2 can be moved along the fastening bolt 607 under the action of the expansion spring 608, and the exhaust fan housing 1 and the fixing plate 2 are closed, when the louver board 5 needs to be wiped, the adjusting device 4 can be rotated to enable the louver board 5 to be located at a horizontal position, the clamping block 804 is rotated around the clamping block 804 of the reserved cavity 803, the second reserved groove 806 is aligned with the louver board 5, the fixing strip 801 is inserted into the fixing plate 2, the second reserved groove 806 is clamped with the louver board 5, the louver board 5 is wiped through the wiping brush 805, and the fixing strip 801 is moved along the louver board 5 by holding the connecting block 802, so that the cleaning device 8 wipes the louver board 5 clean, and the louver board 5 and the exhaust fan blades 12 are wiped more conveniently.
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.
Claims (10)
1. The utility model provides an industry exhaust fan protection type shutter which characterized in that: comprises an exhaust fan shell (1) and a fixed plate (2), a fixed frame (9) is arranged in the exhaust fan shell (1), the middle of the fixing frame (9) is provided with a fixing ring (10) and an exhaust fan blade (12), the fan blades (12) of the exhaust fan are movably connected with the fixed ring (10), the inner part of the fixed plate (2) is provided with a louver board (5), an adjusting device (4) is arranged in one side of the fixed plate (2), the adjusting device (4) is fixed with the louver board (5), four corners of the fixed plate (2) are provided with dismounting structures (6), the dismounting structure (6) is movably connected with the exhaust fan shell (1), a cleaning device (8) is arranged inside the fixed plate (2) and positioned on the louver board (5), and the cleaning device (8) is clamped with the louver board (5), and the cleaning device (8) moves along the louver board (5).
2. The industrial exhaust fan protective louver as claimed in claim 1, wherein: the adjusting device (4) comprises a baffle (401), a transmission shaft (402), a knob (403), a transmission gear (404), a threaded hole (405), a first fixing bolt (406), a driving gear (407), a preformed hole (408) and a first preformed groove (409), wherein the first preformed groove (409) is formed in one side of the fixing plate (2), the baffle (401) is arranged on the first preformed groove (409), the preformed hole (408) is formed in the middle of the baffle (401), the threaded hole (405) is formed in each of two ends of the baffle (401), the first fixing bolt (406) is arranged in each threaded hole (405), the transmission shaft (402) is arranged in each first preformed groove (409), the transmission shaft (402) is fixed with the louver plate (5), the driving gear (407) is arranged on the transmission shaft (402), the transmission gear (404) is arranged between the driving gears (407), and the transmission gear (404) is provided with transmission shafts (402), wherein one of the transmission shafts (402) is provided with a knob (403) at the position of the preformed hole (408).
3. The industrial exhaust fan protective louver as claimed in claim 2, wherein: the transmission gear (404) and the driving gear (407) are meshed with each other, the baffle (401) is fixed with the fixing plate (2) through a first fixing bolt (406), and the knob (403) is fixed around the axis of the transmission shaft (402).
4. The industrial exhaust fan protective louver as claimed in claim 1, wherein: the dismounting structure (6) comprises a moving groove (601), a connecting plate (602), a matching hole (603), a matching rod (604), a matching groove (605), a connecting rope (606), a fastening bolt (607) and a telescopic spring (608), the inner wall of the exhaust fan shell (1) is provided with a moving groove (601), a matching rod (604) is arranged inside the moving groove (601), one side of the fixed plate (2) is provided with a connecting plate (602), the inside of the connecting plate (602) is provided with a matching hole (603), the side wall of the connecting plate (602) is provided with a matching groove (605), a connecting rope (606) is arranged between the moving groove (601) and the connecting plate (602), a fastening bolt (607) is arranged between the exhaust fan shell (1) and the fixing plate (2), and a telescopic spring (608) is arranged in the exhaust fan shell (1) on the fastening bolt (607).
5. The industrial exhaust fan protective louver as claimed in claim 4, wherein: the engaging groove 605 of the connecting plate 602 moves along the inside of the moving groove 601, and the engaging rod 604 moves along the engaging hole 603 of the connecting plate 602.
6. The industrial exhaust fan protective louver as claimed in claim 1, wherein: cleaning device (8) are including fixed strip (801), connecting block (802), reserve chamber (803), chucking piece (804), clean brush (805) and second reservation groove (806), the inside of fixed plate (2) is located louver board (5) department and is provided with fixed strip (801), one side of fixed strip (801) is provided with connecting block (802), reserve chamber (803) have been seted up to the inside of fixed strip (801), the inside of reserve chamber (803) is provided with chucking piece (804), second reservation groove (806) have been seted up to the inside of chucking piece (804), the inner wall of second reservation groove (806) is provided with cleans brush (805), and louver board (5) are located second reservation groove (806).
7. The industrial exhaust fan protective louver as claimed in claim 6, wherein: the fixing strip (801) moves along the louver board (5), the clamping block (804) is clamped in the reserved cavity (803), the clamping block (804) rotates around the axis of the louver board (5), the louver board (5) is clamped on the clamping block (804), and the matching groove (605) is in contact with the louver board (5).
8. The industrial exhaust fan protective louver as claimed in claim 1, wherein: the inside of exhaust fan shell (1) is located solid fixed ring (10) and locates to be provided with motor (11), the output shaft of motor (11) is connected with exhaust fan flabellum (12).
9. The industrial exhaust fan protective louver as claimed in claim 1, wherein: the side wall of the exhaust fan shell (1) is welded with a side plate (3), and a second fixing bolt (7) is arranged on the side plate (3).
10. The industrial exhaust fan protective louver as claimed in claim 1, wherein: the fixed plate (2) is fixed with the exhaust fan shell (1) through a fixed frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342777.8A CN112360782A (en) | 2020-11-26 | 2020-11-26 | Industry exhaust fan protection type shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342777.8A CN112360782A (en) | 2020-11-26 | 2020-11-26 | Industry exhaust fan protection type shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112360782A true CN112360782A (en) | 2021-02-12 |
Family
ID=74533381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011342777.8A Withdrawn CN112360782A (en) | 2020-11-26 | 2020-11-26 | Industry exhaust fan protection type shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112360782A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623240A (en) * | 2021-09-09 | 2021-11-09 | 珠海格力电器股份有限公司 | Self-cleaning fan |
| CN114810630A (en) * | 2022-05-20 | 2022-07-29 | 刘家伟 | Axial flow fan with noise reduction function |
-
2020
- 2020-11-26 CN CN202011342777.8A patent/CN112360782A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623240A (en) * | 2021-09-09 | 2021-11-09 | 珠海格力电器股份有限公司 | Self-cleaning fan |
| CN113623240B (en) * | 2021-09-09 | 2022-06-21 | 珠海格力电器股份有限公司 | Self-cleaning fan |
| CN114810630A (en) * | 2022-05-20 | 2022-07-29 | 刘家伟 | Axial flow fan with noise reduction function |
| CN114810630B (en) * | 2022-05-20 | 2024-01-05 | 伊犁天山水泥有限责任公司 | Axial flow fan with noise reduction function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |