CN220470260U - Dustproof negative pressure fan - Google Patents
Dustproof negative pressure fan Download PDFInfo
- Publication number
- CN220470260U CN220470260U CN202322165018.4U CN202322165018U CN220470260U CN 220470260 U CN220470260 U CN 220470260U CN 202322165018 U CN202322165018 U CN 202322165018U CN 220470260 U CN220470260 U CN 220470260U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- shell
- dustproof
- negative pressure
- pressure fan
- Prior art date
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- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 abstract description 17
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of power equipment and discloses a dustproof negative pressure fan which comprises a shell, wherein the inner wall of the shell is fixedly connected with a protective cover, the inner bottom end of the shell is fixedly connected with a motor, the driving end of the motor is fixedly connected with a belt pulley I, the middle part of the rear end of the protective cover is rotationally connected with a rotating shaft, the outer part of the rotating shaft is fixedly connected with a belt pulley II, the belt pulley II is connected with the belt pulley I through a belt, the front end of the rotating shaft is fixedly connected with a fan, the rear side of the shell is rotationally connected with a plurality of rotating rods, and the rear sides of the rotating rods are fixedly connected with baffles. According to the utility model, the function of blocking external dust during working and standby is realized, the effect of prolonging the service life of the negative pressure fan is achieved, the function of simply disassembling and assembling the air inlet grille is realized, and the effect of improving the working efficiency is achieved.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a dustproof negative pressure fan.
Background
Dust control refers to an action that takes measures to prevent or reduce the diffusion and deposition of dust particles in the air, thereby protecting one's health and maintaining the environment.
The negative pressure fan is negative pressure air draft equipment for controlling dust and pollutants in air, harmful substances such as dust, smoke dust, fine particles and the like in indoor air can be pumped away through a negative pressure principle, indoor air quality is ensured to meet a specified standard, meanwhile, isolation between a positive pressure area and the external environment is kept, protection measures of the external dust by the existing part of negative pressure fan are insufficient, the loss and ageing speed of the internal mechanical structure of the fan are accelerated, the service life of the negative pressure fan is shortened, the maintenance and replacement times are improved, and the large use cost is increased.
Disclosure of Invention
In order to make up for the defects, the utility model provides a dustproof negative pressure fan, and aims to solve the problem that in the prior art, the negative pressure fan cannot protect dust in place, so that the maintenance cost is increased.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dustproof negative pressure fan, includes the shell, the inner wall fixedly connected with safety cover of shell, the inside bottom fixedly connected with motor of shell, the drive end fixedly connected with belt pulley one of motor, the rear end middle part of safety cover rotates and is connected with the pivot, the outside fixedly connected with belt pulley two of pivot, belt pulley two passes through the belt and links to each other with belt pulley one, the front end fixedly connected with fan of pivot, the rear side of shell rotates and is connected with a plurality of dwang, a plurality of the equal fixedly connected with baffle of rear side of dwang.
As a further description of the above technical solution:
the utility model discloses a shell, including shell, connecting column, limiting plate, spring, connecting column, spout, connecting column and limiting plate are all provided with to both ends inside around the shell, the inside sliding connection of spout has the spliced pole, the outside cover of spliced pole is equipped with the spring, the top fixedly connected with limiting plate of spliced pole.
As a further description of the above technical solution:
the front side sliding connection of shell has dustproof grid, both ends all fixedly connected with draw runner about the rear side of dustproof grid, the front side of both ends inner wall all is provided with the spout about the shell, the outside sliding connection of draw runner is at the inner wall of spout.
As a further description of the above technical solution:
the right side fixedly connected with handle of dustproof grid, the left and right sides of shell all fixedly connected with a plurality of fixed plates.
As a further description of the above technical solution:
the fan is located inside the protective cover, and the fan is fixedly connected to the inner wall of the rear side of the protective cover through the rotating shaft.
As a further description of the above technical solution:
the top of spliced pole runs through the top of shell, and it is connected with the axis of rotation to rotate, the outside fixedly connected with movable handle of axis of rotation.
As a further description of the above technical solution:
one end of the spring is fixedly connected to the inner wall of the top end of the chute, and the other end of the spring is fixedly connected to the inner wall of the bottom end of the chute.
The utility model has the following beneficial effects:
1. according to the utility model, under the mutual cooperation of the shell, the protective cover, the dustproof grid, the rotating rod, the baffle plate and the like, the function of blocking external dust during working and standby is realized, and the effect of prolonging the service life of the negative pressure fan is achieved.
2. According to the utility model, under the mutual cooperation of the slide bar, the slide groove, the connecting column, the spring, the limiting plate, the rotating bar and the movable handle, the function of simply disassembling and assembling the air inlet grille is realized, and the effect of improving the working efficiency is achieved.
Drawings
FIG. 1 is a perspective view of a dustproof negative pressure fan provided by the utility model;
FIG. 2 is a schematic diagram illustrating the disassembly of the internal structure of a dustproof negative pressure fan according to the present utility model;
FIG. 3 is a schematic view of a slide bar of a dust-proof negative pressure fan according to the present utility model;
FIG. 4 is an enlarged view of FIG. 3 at A;
legend description:
1. a housing; 2. a motor; 3. a first belt pulley; 4. a belt; 5. a belt pulley II; 6. a rotating shaft; 7. a fan; 8. a protective cover; 9. a dust-proof grid; 10. a handle; 11. a slide bar; 12. a chute; 13. a connecting column; 14. a spring; 15. a limiting plate; 16. a rotating shaft; 17. a movable handle; 18. a rotating lever; 19. a baffle; 20. and a fixing plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a dustproof negative pressure fan, including shell 1, the inner wall fixedly connected with safety cover 8 of shell 1, the inside bottom fixedly connected with motor 2 of shell 1, the drive end fixedly connected with belt pulley one 3 of motor 2, the rear end middle part of safety cover 8 rotates and is connected with pivot 6, the outside fixedly connected with belt pulley two 5 of pivot 6, belt pulley two 5 links to each other with belt pulley one 3 through belt 4, the front end fixedly connected with fan 7 of pivot 6, the rear side rotation of shell 1 is connected with a plurality of dwang 18, the equal fixedly connected with baffle 19 of rear side of a plurality of dwang 18, the negative pressure fan is extensively used for building site, the industrial workshop, laboratory, hospital operating room etc. need keep negative pressure environment and dustproof place, after confirming fixed firm, open motor 2, drive belt pulley one 3 is rotatory, drive belt pulley 4 is rotatory, drive belt pulley two 5 rotations again, drive pivot 6 rotation, drive fan 7 rotation work, in the exhaust, a large amount of air goes into safety cover 8 through the dwang 18, make baffle 19 open, normal exhaust when realizing the negative pressure fan work, automatic reset when waiting for realizing the standby, the baffle 19, realize the function of stopping dust blocking when waiting for the time of the laboratory, the dust blocking function has realized, the daily life of the fan has reached the function of stopping dust, the dust blocking when the dust has been used in the daily life.
The inside of both ends all is provided with spout 12 around shell 1, the inside sliding connection of spout 12 has spliced pole 13, the outside cover of spliced pole 13 is equipped with spring 14, the bottom fixedly connected with limiting plate 15 of spliced pole 13, the front side sliding connection of shell 1 has dustproof grid 9, both ends all fixedly connected with draw runner 11 about the rear side of dustproof grid 9, the front side of both ends inner wall all is provided with spout 12 about shell 1, the outside sliding connection of draw runner 11 is in the inner wall of spout 12, the right side fixedly connected with handle 10 of dustproof grid 9, the left and right sides of shell 1 all fixedly connected with a plurality of fixed plates 20, fan 7 is located the inside of safety cover 8, fan 7 is through pivot 6 fixedly connected with on the rear side inner wall of safety cover 8, the top of spliced pole 13 runs through the top of shell 1, and the rotation axis 16 is rotationally connected with, the outside fixedly connected with movable handle 17 of rotation axis 16, one end of the spring 14 is fixedly connected to the inner wall of the top end of the sliding groove 12, the other end of the spring 14 is fixedly connected to the inner wall of the bottom end of the sliding groove 12, the shell 1 is required to be fixed at a place where ventilation is required through a plurality of fixing plates 20 distributed left and right, then the movable handle 17 is pulled upwards to drive the connecting column 13 and the limiting plate 15 to move to the top end of the sliding groove 12, the sliding bar 11 on the dustproof grid 9 is aligned to the sliding groove 12 in front of the shell 1 by the handle 10, after the connecting column 13 slides in place, the connecting column 13 passes through an opening on the sliding bar 11 under the reset of elastic deformation of the spring 14 to fix the sliding bar, the simple disassembly of the air inlet grid is realized, the effect of improving the working efficiency is achieved, and the proper model and configuration are required to be selected according to specific environment requirements and dust types processed when the dustproof negative pressure fan is used, and ensures proper installation and operation as per manufacturer's instructions.
Working principle: the negative pressure fan is widely used in places requiring maintenance of negative pressure environment and dustproof requirements such as construction sites, industrial workshops, laboratories, hospital operating rooms and the like, in the actual use process, the shell 1 is required to be fixed at the places requiring ventilation through bolts through the plurality of fixing plates 20 distributed left and right, the dustproof grid is aligned to the indoor environment requiring ventilation, then the movable handle 17 is pulled upwards to drive the connecting column 13 and the limiting plate 15 to move to the top end of the chute 12, the sliding strip 11 on the dustproof grid 9 is aligned to the chute 12 in front of the shell 1 through the handle 10, after the connecting column 13 slides into place, the connecting column is subjected to elastic deformation reset by the spring 14, the connecting rod passes through the opening in the sliding strip 11, so that the connecting column is fixed in the chute 12, then the two movable handles 17 at the top end of the shell 1 are horizontally placed at the top end of the shell 1 through the rotating shaft 16, after the fixing is ensured, the motor 2 is opened, the belt pulley one 3 is driven to rotate, the belt pulley two belt pulleys 5 are driven to rotate, the rotating shaft 6 is driven to rotate, the fan 7 is driven to rotate, and the fan 7 is driven to work, and a large amount of air is blown into the protective cover 8 to rotate, and the dust is required to be properly arranged in the closed state when the negative pressure fan is required to be installed in the cabin, and the proper negative pressure is required to be properly arranged, and the dust is required to be arranged in the engine cabin is in the air-closed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a dustproof negative pressure fan, includes shell (1), its characterized in that: the utility model discloses a motor, including shell (1), motor (1), protection cover (8), drive end fixedly connected with belt pulley (3) of inside bottom fixedly connected with motor (2), the rear end middle part of protection cover (8) rotates and is connected with pivot (6), the outside fixedly connected with belt pulley (5) of pivot (6), belt pulley (5) link to each other with belt pulley (3) through belt (4), the front end fixedly connected with fan (7) of pivot (6), the rear side of shell (1) rotates and is connected with a plurality of dwang (18), a plurality of equal fixedly connected with baffle (19) of rear side of dwang (18).
2. The dustproof negative pressure fan of claim 1, wherein: the novel connecting device is characterized in that sliding grooves (12) are formed in the front end and the rear end of the shell (1), connecting columns (13) are connected to the sliding grooves (12) in a sliding mode, springs (14) are sleeved on the outer portions of the connecting columns (13), and limiting plates (15) are fixedly connected to the bottom ends of the connecting columns (13).
3. The dustproof negative pressure fan of claim 1, wherein: the dustproof device is characterized in that a dustproof grid (9) is connected to the front side of the shell (1) in a sliding mode, sliding strips (11) are fixedly connected to the upper end and the lower end of the rear side of the dustproof grid (9), sliding grooves (12) are formed in the front side of the inner walls of the upper end and the lower end of the shell (1), and the outer portions of the sliding strips (11) are connected to the inner walls of the sliding grooves (12) in a sliding mode.
4. A dustproof negative pressure fan according to claim 3, characterized in that: the right side of dustproof grid (9) fixedly connected with handle (10), the left and right sides of shell (1) all fixedly connected with a plurality of fixed plates (20).
5. The dustproof negative pressure fan of claim 1, wherein: the fan (7) is located inside the protective cover (8), and the fan (7) is fixedly connected to the rear inner wall of the protective cover (8) through the rotating shaft (6).
6. A dustproof negative pressure fan as set forth in claim 2, wherein: the top of the connecting column (13) penetrates through the top end of the shell (1), a rotating shaft (16) is rotatably connected with the top of the shell, and a movable handle (17) is fixedly connected to the outer part of the rotating shaft (16).
7. A dustproof negative pressure fan as set forth in claim 2, wherein: one end of the spring (14) is fixedly connected to the inner wall of the top end of the chute (12), and the other end of the spring (14) is fixedly connected to the inner wall of the bottom end of the chute (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322165018.4U CN220470260U (en) | 2023-08-12 | 2023-08-12 | Dustproof negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322165018.4U CN220470260U (en) | 2023-08-12 | 2023-08-12 | Dustproof negative pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470260U true CN220470260U (en) | 2024-02-09 |
Family
ID=89774553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322165018.4U Active CN220470260U (en) | 2023-08-12 | 2023-08-12 | Dustproof negative pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470260U (en) |
-
2023
- 2023-08-12 CN CN202322165018.4U patent/CN220470260U/en active Active
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