CN213953933U - Sealed anti-leakage negative pressure fan - Google Patents
Sealed anti-leakage negative pressure fan Download PDFInfo
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- CN213953933U CN213953933U CN202021470587.XU CN202021470587U CN213953933U CN 213953933 U CN213953933 U CN 213953933U CN 202021470587 U CN202021470587 U CN 202021470587U CN 213953933 U CN213953933 U CN 213953933U
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Abstract
The utility model discloses a sealed negative-pressure air fan of preventing leaking, including main part and seal cover, its characterized in that: the left part inboard of main part is provided with the air intake, and the inboard of air intake is connected with the sheet rubber, the main part left part outside is provided with sealed rand, and the inboard middle part of main part is connected with motor support, motor support's inboard is settled there is motor protection casing, and motor protection casing's inboard installs the motor, the right part of motor is connected with the pivot, and settles in the outside of pivot has the flabellum, the seal cover is settled in the outside right part of main part, and the right-hand member of main part is provided with the air exit, settle in the inboard of air exit has the tripe, and the lateral part of tripe is connected with the tripe and connects the bolt, settle in the middle part of tripe has the connecting rod, and the lower extreme of connecting rod is provided with the screw thread head, the outside of screw thread head is connected with adjusting nut. This sealed negative pressure draught fan of preventing leaking is provided with adjustable tripe, the effectual entering that prevents rainwater and dust.
Description
Technical Field
The utility model relates to a negative-pressure air fan technical field specifically is a sealed negative-pressure air fan that prevents leaking.
Background
The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, naturally sucks fresh air from a door or a window which is opposite to an installation place, quickly and forcibly exhausts indoor sultry gas outdoors, and can improve any problem of poor ventilation, and the cooling and ventilation effect can reach 90-97 percent. The air conditioner has the characteristics of low investment cost, large air quantity, low noise, low energy consumption, stable operation, high efficiency and the like, so the air conditioner is utilized by more and more industrial and mining plants and is also a good choice for cooling and ventilating modern workshops. Especially, the safe, environment-friendly and energy-saving negative pressure fan becomes the mainstream of the market of the aeration and cooling equipment.
The waterproof and dustproof performance of the negative pressure fan in the use process of the negative pressure fan in the market is poor, and when the negative pressure fan is used outdoors, rainwater enters the negative pressure fan in rainy days to influence the service life of the negative pressure fan; the negative pressure fan is used for a long time, so that more dust is accumulated in the negative pressure fan, and troubles are brought to the use of people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealed leakage-proof negative pressure fan, which solves the problems that the negative pressure fan provided by the background technology has poor waterproof and dustproof performance in the use process, and when the negative pressure fan is used outdoors, rainwater enters the negative pressure fan due to rainy days, so that the service life of the negative pressure fan is influenced; the negative pressure fan is used for a long time, so that more dust is accumulated in the negative pressure fan, and troubles are brought to the use of people.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed negative pressure blower of preventing leaking, includes main part and seal cover, its characterized in that: the left part inboard of main part is provided with the air intake, and the inboard of air intake is connected with the sheet rubber, the main part left part outside is provided with sealed rand, and the inboard middle part of main part is connected with motor support, motor support's inboard is settled there motor protection casing, and motor protection casing's inboard installs the motor, the right part of motor is connected with the pivot, and settles in the outside of pivot has the flabellum, the right-hand member of pivot is connected with flabellum fixation nut, the seal cover is settled in the outside right part of main part, and the right-hand member of main part is provided with the air exit, settle the inboard of air exit has the tripe, and the lateral part of tripe is connected with the tripe and connects the bolt, settle in the middle part of tripe has the connecting rod, and the lower extreme of connecting rod is provided with the screw thread head, the outside of screw thread head is connected with adjusting nut.
Preferably, the rubber sheet is fixedly bonded on the inner side of the air inlet, and the air inlet is distributed on the left front part of the main body in a matrix manner.
Preferably, the sealing collar is movably connected to the outer side of the main body, and the right section of the sealing collar is triangular.
Preferably, motor protection casing, motor support and main part inboard are integrated welded structure, and be fixed connection between motor and the motor protection casing.
Preferably, the sealing sleeve is fixedly adhered to the right part of the outer side of the main body, and the air outlet is inclined towards the right side.
Preferably, the louver and the air outlet form a movable structure through the louver connecting bolt, and the connecting rod is movably connected with the louver.
Compared with the prior art, the beneficial effects of the utility model are that:
this sealed rubber sheet of preventing leaking negative pressure fan is fixed to be bonded in the air intake inboard, and the air intake is the matrix and distributes in the left front portion of main part, the air intake of matrix enables the convulsions effect of flabellum more even, and the rubber sheet of fixed bonding in the air intake, can open along with wind-force after the flabellum rotates, and when stopping using, the rubber sheet is closed, the entering of dust has been prevented, part to in the main part forms fine protection, simultaneously, sealed rand swing joint in the outside of main part, after having installed this fan, through the sealed rand of pressfitting, the clearance between the main part outside and the wall has been filled, the entering of rainwater and dust outside the wall has been prevented, and the sealed rand right part of triangle-shaped, the embedding of sealed rand part has been made things convenient for, the laminating degree of sealed rand and wall body has been improved.
This sealed motor protection casing of preventing leaking negative-pressure air fan, motor support and main part inboard are integration welded structure, and be fixed connection between motor and the motor protection casing, motor support and main part welding are as an organic whole, the fastness of motor protection casing connected structure has been strengthened, and through the fixed connection of motor and motor protection casing, the not hard up of motor operation in-process has been prevented, still the effectual inside of protecting the motor, prevent the entering of dust and water, the air exit inclines to the right side simultaneously, prevent ponding in the main part.
This sealed tripe of preventing leaking negative pressure fan passes through tripe connecting bolt and constitutes the active structure with the air exit, and be swing joint between connecting rod and the tripe, through the swing joint of tripe, has improved the flexibility of tripe to through the swing joint of tripe with the connecting rod, rotate adjusting nut, make the position of connecting rod change, thereby drive the tripe and rotate from top to bottom, made things convenient for the inclination of tripe to adjust, thereby adjusted the air-out direction of this fan, still effectually prevented the entering of rainwater and dust.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the air inlet structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1.
In the figure: 1. a main body; 2. an air inlet; 3. a rubber sheet; 4. a sealing collar; 5. a motor bracket; 6. A motor protective cover; 7. a motor; 8. a rotating shaft; 9. a fan blade; 10. a fan blade fixing nut; 11. sealing sleeves; 12. an air outlet; 13. louver blades; 14. a shutter connecting bolt; 15. a connecting rod; 16. a screw head; 17. And adjusting the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sealed negative pressure blower of preventing leaking, includes main part 1 and seal cover 11, its characterized in that: an air inlet 2 is arranged on the inner side of the left part of the main body 1, the inner side of the air inlet 2 is connected with a rubber sheet 3, a sealing collar 4 is arranged on the outer side of the left part of the main body 1, and the middle part of the inner side of the main body 1 is connected with a motor bracket 5, the inner side of the motor bracket 5 is provided with a motor protective cover 6, and the inner side of the motor protective cover 6 is provided with a motor 7, the right part of the motor 7 is connected with a rotating shaft 8, and the outer side of the rotating shaft 8 is provided with a fan blade 9, the right end of the rotating shaft 8 is connected with a fan blade fixing nut 10, the sealing sleeve 11 is arranged at the right part of the outer side of the main body 1, and the right end of the main body 1 is provided with an air outlet 12, the inner side of the air outlet 12 is provided with a louver 13, and the side of the louver 13 is connected with a louver connecting bolt 14, the middle of the louver 13 is provided with a connecting rod 15, the lower end of the connecting rod 15 is provided with a threaded head 16, and the outer side of the threaded head 16 is connected with an adjusting nut 17;
the rubber sheet 3 is fixedly bonded on the inner side of the air inlet 2, the air inlet 2 is distributed in the left front part of the main body 1 in a matrix form, the air suction effect of the fan blade 9 can be more uniform by the matrix type air inlet 2, the rubber sheet 3 fixedly bonded in the air inlet 2 can be opened along with wind power after the fan blade 9 rotates, and when the fan blade is stopped to be used, the rubber sheet 3 is closed, so that dust is prevented from entering, and parts in the main body 1 are well protected;
the sealing clamping ring 4 is movably connected to the outer side of the main body 1, the right section of the sealing clamping ring 4 is triangular, after the fan is installed, gaps between the outer side of the main body 1 and a wall are filled through pressing the sealing clamping ring 4, rainwater and dust outside the wall are prevented from entering, and the right part of the triangular sealing clamping ring 4 facilitates embedding of the sealing clamping ring 4 and improves the fit degree of the sealing clamping ring 4 and the wall;
the motor protective cover 6, the motor support 5 and the inner side of the main body 1 are all of an integrated welding structure, the motor 7 is fixedly connected with the motor protective cover 6, the motor support 5 and the main body 1 are welded into a whole, the firmness of the connecting structure of the motor protective cover 6 is enhanced, the motor 7 is prevented from loosening in the operation process through the fixed connection of the motor 7 and the motor protective cover 6, the inner part of the motor 7 is effectively protected, and dust and water are prevented from entering;
the sealing sleeve 11 is fixedly adhered to the right part of the outer side of the main body 1, meanwhile, the air outlet 12 inclines towards the right side, the fan is inserted into a mounting port on a wall from the left side, the fan is positioned through the fixed connection of the sealing sleeve 11, a gap between the right part of the main body 1 and the wall is effectively filled, a good sealing effect is achieved, and the air outlet 12 inclining towards the right side prevents water accumulation in the main body 1;
The working principle is as follows: for the sealing leakage-proof negative pressure fan, firstly, the left end of the fan main body 1 is inserted into the mounting hole of the wall body, the right sealing sleeve 11 at the outer side of the main body 1 is attached to the gap of the wall body, part of the main body 1 is fixed on the wall body, then the sealing collar 4 is pressed from the left part of the main body 1, the right part of the sealing collar 4 is embedded into the gap of the wall body, the attaching degree of the sealing collar 4 and the wall body is improved, the rainwater and the dust outside the wall are prevented from entering, the left part at the inner side of the main body 1 is provided with the matrix type air inlet 2, the rubber sheet 3 is connected in the air inlet 2, then the motor 7 at the middle part of the main body 1 is started, the motor 7 is fixedly connected with the main body 1 through the motor protective cover 6 and the motor support 5, the loosening of the motor 7 in the operation process is prevented, the inside of the motor 7 is effectively protected, the dust and the water are prevented from entering, after the motor 7 is started, the fan blades 9 are driven to rotate through the rotating shaft 8 to form outward wind power, the rubber sheets 3 are opened towards the right part under the action of the wind power, so that the inner side of the main body 1 is communicated with the indoor space, indoor air is discharged from the air outlet 12 through the fan blades 9, the inner side of the air outlet 12 is movably connected with the shutter 13 through the shutter connecting bolt 14, the middle part of the shutter 13 is movably connected with the connecting rod 15, the top of the connecting rod 15 is connected with the adjusting nut 17, the adjusting nut 17 is rotated to change the position of the connecting rod 15, the shutter 13 is driven to rotate up and down to facilitate the inclination angle adjustment of the shutter 13, the air outlet direction of the fan is adjusted, rainwater and dust are effectively prevented from entering, and the use process of the whole sealed anti-leakage negative pressure fan is completed.
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 (6)
1. The utility model provides a sealed negative pressure blower of preventing leaking, includes main part (1) and seal cover (11), its characterized in that: the left inner side of the main body (1) is provided with an air inlet (2), the inner side of the air inlet (2) is connected with a rubber sheet (3), the outer side of the left part of the main body (1) is provided with a sealing clamping ring (4), the middle part of the inner side of the main body (1) is connected with a motor support (5), the inner side of the motor support (5) is provided with a motor protective cover (6), the inner side of the motor protective cover (6) is provided with a motor (7), the right part of the motor (7) is connected with a rotating shaft (8), the outer side of the rotating shaft (8) is provided with fan blades (9), the right end of the rotating shaft (8) is connected with a fan blade fixing nut (10), the sealing sleeve (11) is arranged at the right part of the outer side of the main body (1), the right end of the main body (1) is provided with an air outlet (12), the inner side of the air outlet (12) is provided with a shutter (13), and the side part of the shutter (13) is connected with a shutter connecting bolt (14), the middle part of the shutter (13) is provided with a connecting rod (15), the lower end of the connecting rod (15) is provided with a threaded head (16), and the outer side of the threaded head (16) is connected with an adjusting nut (17).
2. A sealed leak-proof negative pressure air blower as defined in claim 1, wherein: rubber piece (3) fixed bonding is inboard in air intake (2), and air intake (2) are the matrix and distribute in the left front portion of main part (1).
3. A sealed leak-proof negative pressure air blower as defined in claim 1, wherein: the sealing clamping ring (4) is movably connected to the outer side of the main body (1), and the right section of the sealing clamping ring (4) is triangular.
4. A sealed leak-proof negative pressure air blower as defined in claim 1, wherein: motor protection casing (6), motor support (5) and main part (1) inboard are integrated welded structure, and be fixed connection between motor (7) and motor protection casing (6).
5. A sealed leak-proof negative pressure air blower as defined in claim 1, wherein: the sealing sleeve (11) is fixedly adhered to the right part of the outer side of the main body (1), and the air outlet (12) is inclined towards the right side.
6. A sealed leak-proof negative pressure air blower as defined in claim 1, wherein: the louver (13) and the air outlet (12) form a movable structure through a louver connecting bolt (14), and the connecting rod (15) is movably connected with the louver (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470587.XU CN213953933U (en) | 2020-07-23 | 2020-07-23 | Sealed anti-leakage negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470587.XU CN213953933U (en) | 2020-07-23 | 2020-07-23 | Sealed anti-leakage negative pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213953933U true CN213953933U (en) | 2021-08-13 |
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ID=77193249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021470587.XU Active CN213953933U (en) | 2020-07-23 | 2020-07-23 | Sealed anti-leakage negative pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213953933U (en) |
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2020
- 2020-07-23 CN CN202021470587.XU patent/CN213953933U/en active Active
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