CN216199146U - Air duct structure of centrifugal fan - Google Patents
Air duct structure of centrifugal fan Download PDFInfo
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- CN216199146U CN216199146U CN202122708476.9U CN202122708476U CN216199146U CN 216199146 U CN216199146 U CN 216199146U CN 202122708476 U CN202122708476 U CN 202122708476U CN 216199146 U CN216199146 U CN 216199146U
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Abstract
The utility model relates to an air duct structure of a centrifugal fan, belonging to the technical field of centrifugal fans; the first electric turntable is embedded and fixed in a groove on the front side wall of the shell; the second rotating rod is fixed on the output end of the first electric turntable; the first gear is sleeved and fixed on the second rotating rod; the first gear ring is fixed on the circular surface of the fan shell and is meshed with the first gear; the first dustproof screen plate is embedded and fixed in the circular surface of the fan shell; the air deflectors are respectively fixed on the peripheral wall of the inner cavity of the shell at the positions on two sides of the air outlet on the shell in a pairwise corresponding manner, and the air outlet pipe of the fan shell is movably clamped between the air deflectors in pairwise corresponding manner; the movable plates are respectively screwed on the air guide plates in a one-to-one correspondence manner by using hinges; the shielding mechanism is arranged on the outer side of the shell; reasonable in design can adjust the air-out direction, and the suitability is strong.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to an air duct structure of a centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; the air channel structure of the existing centrifugal fan can only output air in a single direction, and the applicability is not strong.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air duct structure of a centrifugal fan, aiming at the defects and shortcomings of the prior art, and the air duct structure is reasonable in design, capable of adjusting the air outlet direction and strong in applicability.
In order to achieve the purpose, the utility model adopts the following technical scheme: the fan comprises a shell, a support frame, a bottom plate, a fan shell, a motor, an impeller and a first rotating rod, wherein an air outlet is formed in a first-class fillet on the shell, the support frame is fixed on the front side wall and the rear side wall of the shell, the support frame is fixed on the bottom plate, the fan shell is movably arranged in the shell, the motor is fixed on the rear side wall of the shell by a fixing frame, the impeller is movably arranged in the fan shell, the circular surface of the fan shell is of an extending structure and is movably arranged in an opening on the front side wall of the shell, one end of the first rotating rod is fixed with an output shaft of the motor by a coupler, the other end of the first rotating rod penetrates through the shell and the fan shell and is fixed with the impeller, and the motor is externally connected with a power supply; it also includes:
the first electric turntable is embedded and fixed in a groove on the front side wall of the shell and is externally connected with a power supply;
the second rotating rod is fixed on the output end of the first electric turntable;
the first gear is sleeved and fixed on the second rotating rod;
the first gear ring is fixed on the circular surface of the fan shell and is meshed with the first gear;
the first dustproof screen plate is embedded and fixed in the circular surface of the fan shell;
the air guide plates are a plurality of and are respectively fixed on the peripheral wall of the inner cavity of the shell at the positions on two sides of the air outlet on the shell in a pairwise corresponding manner, and the air outlet pipe of the fan shell is movably clamped between the air guide plates in pairwise corresponding manner;
the movable plates are provided with a plurality of hinges and are respectively screwed on the air guide plates in a one-to-one correspondence manner;
and the shielding mechanism is arranged on the outer side of the shell.
Preferably, the shielding mechanism comprises:
the supporting plate is fixed on the bottom plate;
the second electric turntable is fixed on the front side wall of the supporting plate and is externally connected with a power supply;
one end of the third rotating rod is fixed on the output end of the second electric turntable, and the other end of the third rotating rod penetrates through the support plate and then extends to the rear side of the support plate;
the second gear is sleeved and fixed on the third rotating rod;
the second gear ring is movably sleeved on the outer side of the shell, the second gear ring is meshed with the second gear, and a conduction opening which is movably arranged through the air outlet is formed in the second gear ring.
Preferably, a second dustproof screen is fixedly embedded in the air outlet on the shell.
Preferably, a rubber anti-slip cushion layer is fixed at the bottom of the bottom plate.
Preferably, a reinforcing rod is fixed between the left and right corresponding support frames.
Preferably, the opening on the air outlet pipe of the fan shell is embedded and fixed with a semiconductor refrigeration piece, and the semiconductor refrigeration piece is externally connected with a power supply.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides an air duct structure of a centrifugal fan, which is reasonable in design, capable of adjusting the air outlet direction and strong in applicability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a sectional view taken along line a-a in fig. 1.
Description of reference numerals:
the fan comprises a shell 1, a support frame 2, a bottom plate 3, a fan shell 4, a motor 5, an impeller 6, a first rotating rod 7, a first electric rotating disc 8, a second rotating rod 9, a first gear 10, a first toothed ring 11, a first dustproof screen plate 12, an air deflector 13, a movable plate 14, a shielding mechanism 15, a support plate 16, a second electric rotating disc 17, a third rotating rod 18, a second gear 19, a second toothed ring 20, a conduction opening 21, a second dustproof screen plate 22, a rubber anti-skid cushion layer 23, a reinforcing rod 24 and a semiconductor refrigerating sheet 25.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the fan comprises a shell 1, a support frame 2, a bottom plate 3, a fan shell 4, a motor 5, an impeller 6 and a first rotating rod 7, wherein an air outlet is formed in the shell 1 at an equal round angle, the support frame 2 is fixedly riveted on the front side wall and the rear side wall of the shell 1, the support frame 2 is fixedly riveted on the bottom plate 3, the fan shell 4 is movably arranged in the shell 1, the motor 5 is fixed on the rear side wall of the shell 1 by a fixing frame, the impeller 6 is movably arranged in the fan shell 4, the circular surface of the fan shell 4 is of an extending structure and is movably arranged in an opening on the front side wall of the shell 1, one end of the first rotating rod 7 is fixed with an output shaft of the motor 5 by a coupler, the other end of the first rotating rod 7 penetrates through the shell 1 and the fan shell 4 and is fixedly riveted with the impeller 6, and the motor 5 is externally connected with a power supply; it also includes:
the first electric turntable 8 is embedded and fixed in a groove on the front side wall of the shell 1, and the first electric turntable 8 is externally connected with a power supply;
the second rotating rod 9 is riveted and fixed on the output end of the first electric turntable 8;
the first gear 10 is sleeved and fixed on the second rotating rod 9;
the first gear ring 11 is riveted and fixed on the circular surface of the fan shell 4, and the first gear ring 11 is meshed with the first gear 10;
the first dustproof screen plate 12 is fixedly embedded in the circular surface of the fan shell 4;
the air deflectors 13 are provided, the air deflectors 13 are a plurality of air deflectors, the air deflectors 13 are riveted and fixed on the peripheral wall of the inner cavity of the shell 1 at the positions on two sides of the air outlet on the shell 1 in a pairwise corresponding manner, and the air outlet pipe of the fan shell 4 is movably clamped between the air deflectors 13 which correspond to each other in a pairwise manner;
a plurality of movable plates 14, wherein the movable plates 14 are respectively screwed on the air deflector 13 by hinges in a one-to-one correspondence manner;
and the shielding mechanism 15, wherein the shielding mechanism 15 is arranged on the outer side of the shell 1.
Preferably, the shielding mechanism 15 further includes:
the supporting plate 16, the said supporting plate 16 is riveted and fixed on bottom plate 3;
the second electric turntable 17 is riveted and fixed on the front side wall of the support plate 16, and the second electric turntable 17 is externally connected with a power supply;
one end of the third rotating rod 18 is riveted and fixed on the output end of the second electric turntable 17, and the other end of the third rotating rod 18 penetrates through the support plate 16 and then extends to the rear side of the support plate 16;
the second gear 19 is sleeved and fixed on the third rotating rod 18;
a second toothed ring 20, the second toothed ring 20 is movably sleeved on the outer side of the shell 1, the second toothed ring 20 is meshed with the second gear 19, and a conduction opening 21 which is movably penetrated through the air outlet is formed in the second toothed ring 20.
Preferably, a second dustproof mesh plate 22 is fixedly embedded in the air outlet of the casing 1.
Preferably, a rubber non-slip pad layer 23 is bonded and fixed to the bottom of the bottom plate 3.
Preferably, a reinforcing bar 24 is riveted to the left and right support frames 2.
As a preferable scheme, furthermore, a semiconductor refrigeration piece 25 is embedded and fixed in an opening on the air outlet pipe of the fan shell 4, and the semiconductor refrigeration piece 25 is externally connected with a power supply.
The working principle of the specific embodiment is as follows: start No. 8 electric turntable and drive a gear 10 rotatory, No. 10 meshing of gear 11, it is rotatory to drive fan shell 4, fly leaf 14 is stirred to the play tuber pipe of fan shell 4, move to the position of required shell 1's air exit, it is rotatory to start No. two electric turntable 17 and drive No. two gears 19, No. two gears 19 meshing No. two rings 20 are rotatory, it runs through the setting to the position with shell 1's air exit to drive the conduction mouth 21 rotatory, starter motor 5 drives the impeller 6 rotation and bloies afterwards, it can cool down to the wind of blowing to start semiconductor refrigeration piece 25, promote the air-cooling effect.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the first electric turntable 8, the second rotating rod 9, the first gear 10, the first toothed ring 11, the first dustproof screen plate 12, the air deflector 13, the movable plate 14 and the shielding mechanism 15 are matched, so that the air outlet direction can be adjusted, and the applicability is strong;
2. the supporting plate 16, the second electric turntable 17, the third rotating rod 18, the second gear 19, the second toothed ring 20 and the conduction opening 21 are matched, so that an unnecessary air outlet can be shielded, and dust is prevented from entering;
3. the second dustproof screen plate 22 prevents dust from entering a ventilated air outlet;
4. the rubber anti-slip cushion layer 23 increases the friction force;
5. the reinforcing rods 24 enhance stability;
6. the semiconductor chilling plates 25 promote an air cooling effect.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the utility model.
Claims (6)
1. An air duct structure of a centrifugal fan comprises a shell (1), a support frame (2), a bottom plate (3), a fan shell (4), a motor (5), an impeller (6) and a rotating rod (7), wherein an air outlet is formed in an equi-circular angle on the shell (1), the support frame (2) is fixed on the front side wall and the rear side wall of the shell (1), the support frame (2) is fixed on the bottom plate (3), the fan shell (4) is movably arranged in the shell (1), the motor (5) is fixed on the rear side wall of the shell (1) by a fixing frame, the impeller (6) is movably arranged in the fan shell (4), the circular surface of the fan shell (4) is of an extending structure and is movably arranged in the opening on the front side wall of the shell (1), one end of the rotating rod (7) is fixed with an output shaft of the motor (5) by a coupler, the other end of the rotating rod (7) penetrates through the shell (1) and the fan shell (4), the motor (5) is fixed with the impeller (6) and is externally connected with a power supply; it is characterized in that it also comprises:
the first electric turntable (8), the first electric turntable (8) is embedded and fixed in a groove on the front side wall of the shell (1), and the first electric turntable (8) is externally connected with a power supply;
the second rotating rod (9), the second rotating rod (9) is fixed on the output end of the first electric turntable (8);
the first gear (10) is sleeved and fixed on the second rotating rod (9);
the first gear ring (11) is fixed on the circular surface of the fan shell (4), and the first gear ring (11) is meshed with the first gear (10);
the first dustproof screen plate (12) is embedded and fixed in the circular surface of the fan shell (4);
the air guide plates (13) are a plurality of air guide plates (13), and are respectively fixed on the positions, located on two sides of an air outlet on the shell (1), of the peripheral wall of the inner cavity of the shell (1) in a pairwise corresponding manner, and an air outlet pipe of the fan shell (4) is movably clamped between the two corresponding air guide plates (13);
the movable plates (14) are provided with a plurality of movable plates (14) which are respectively screwed on the air guide plates (13) in a one-to-one correspondence manner by using hinges;
and the shielding mechanism (15), wherein the shielding mechanism (15) is arranged on the outer side of the shell (1).
2. The air duct structure of a centrifugal fan according to claim 1, wherein: the shielding mechanism (15) comprises:
the supporting plate (16), the said supporting plate (16) is fixed on bottom plate (3);
the second electric turntable (17), the second electric turntable (17) is fixed on the front side wall of the support plate (16), and the second electric turntable (17) is externally connected with a power supply;
one end of the third rotating rod (18) is fixed on the output end of the second electric turntable (17), and the other end of the third rotating rod (18) penetrates through the support plate (16) and then extends to the rear side of the support plate (16);
the second gear (19) is sleeved and fixed on the third rotating rod (18);
a second toothed ring (20), No. two toothed ring (20) movable sleeve establish the outside at shell (1), and No. two toothed ring (20) and No. two gear (19) intermeshing, set up on No. two toothed ring (20) with air exit activity run through conduction mouth (21) that set up.
3. The air duct structure of a centrifugal fan according to claim 1, wherein: a second dustproof screen (22) is embedded and fixed in the air outlet on the shell (1).
4. The air duct structure of a centrifugal fan according to claim 1, wherein: the bottom of the bottom plate (3) is fixed with a rubber anti-skid cushion layer (23).
5. The air duct structure of a centrifugal fan according to claim 1, wherein: a reinforcing rod (24) is fixed between the left and the right corresponding support frames (2).
6. The air duct structure of a centrifugal fan according to claim 1, wherein: a semiconductor refrigerating sheet (25) is fixedly embedded in an opening on an air outlet pipe of the fan shell (4), and the semiconductor refrigerating sheet (25) is externally connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708476.9U CN216199146U (en) | 2021-11-08 | 2021-11-08 | Air duct structure of centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708476.9U CN216199146U (en) | 2021-11-08 | 2021-11-08 | Air duct structure of centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199146U true CN216199146U (en) | 2022-04-05 |
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ID=80904349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122708476.9U Active CN216199146U (en) | 2021-11-08 | 2021-11-08 | Air duct structure of centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199146U (en) |
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2021
- 2021-11-08 CN CN202122708476.9U patent/CN216199146U/en active Active
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